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TP-Link TL-SG2216 V2 User Guide

1. mo 1 Ala babe bela lal LAG 5 ms Figure 6 3 VLAN Table To ensure the normal communication of the factory switch the default VLAN of all ports is set to VLAN1 The following entries are displayed on this screen gt VLAN Create VLAN ID Name VLAN Table VLAN ID Select Select VLAN ID Name Untagged Ports Tagged Ports Operation VLAN Membership VLAN ID Enter the VLAN ID you want to create lt ranges from 2 to 4094 Give a name to the VLAN for identification Click the Select button to quick select the corresponding VLAN based on the VLAN ID you entered Select the desired port for configuration Displays the VLAN ID Displays the name of the specific VLAN Show the untagged ports of the specific VLAN Show the tagged ports of the specific VLAN You can delete the specific VLAN when you click the word Delete Displays the VLAN ID you choose 67 VLAN Name Here you can set the name of the VLAN you choose Port Displays the port number Untagged The port will be an untagged member of the specific VLAN if you select it Tagged The port will be an tagged member of the specific VLAN if you select it NotMe mber The port will not be a member of the specific VLAN if you select it PVID Here you can change the PVID of the specific port LAG Displays the LAG to which the port belongs to 6 2 Application Example for 802 1Q VLAN Network Requirements
2. Connection type OBa O Telnet O Rogn SSH Serial Load save or delete a stored session Translation Saved Sessions Default Settings Close window on exit O Always O Never Only on clean exit 36 2 Click the Open button in the above figure to log on to the switch Enter the login user name and password and then you can continue to configure the switch 192 168 0 1 PuTTY adminf 192 TL 36G 242 4 gt Application Example 2 for SSH gt dl Network Requirements Log on to the switch via key authentication using SSH and the SSH function is enabled on the switch PuTTY client software is recommended Configuration Procedure Select the key type and key length and generate SSH key g Pull Key Generator File Key Conversions Help Key No key Actions Generate a public private key pair Load an existing private key file Save the generated key Parameters Number of bits in a generated key Anote 1 2 The key length is in the range of 256 to 3072 bits During the key generation randomly moving the mouse quickly can accelerate the key generation 2 After the key is successfully generated please save the public key and private key to the computer 37 g Pull Key Generator File Key Conversions Help Key Public key for pasting into OpenSSH authorized_keys file ssh tsa ASSAB3NzaC1 po2EASAABIOAAAIBo2aDY siF W sJaScst h nySwoU 3 m c4C2
3. 5 The following TCP IPv6 Properties window will display and the IP Address tab is open on this window by default You can get IPv6 settings assigned automatically if your network supports this capability Otherwise you need to ask your network administrator for the appropriate IPv6 settings Obtain an IPv6 address automatically 9 Use the following IPv6 address IPv6 address 3001 14 Subnet prefix length 64 Default gateway 3001 1 Obtain DNS server address automatically 9 Use the following DNS server addresses Preferred DNS server Alternate DNS server Validate settings upon exit 195 6 Select Use the following IPv6 address And the following items will be available If the switch s IP address is 3001 1 64 specify IP address as 3001 14 for example and the Subnet prefix length as 64 Now Click OK to save your settings Return to CONTENTS 196 Appendix C Glossary Boot Protocol BOOTP BOOTP is used to provide bootup information for network devices including IP address information the address of the TFTP server that contains the devices system files and the name of the boot file Class of Service CoS CoS is supported by prioritizing packets based on the required level of service and then placing them in the appropriate output queue Data is transmitted from the queues using weighted round robin service to enforce priority service and prevent blockage of lower level qu
4. Create OUI our Format 00 00 00 00 00 01 Mask FF FF FF 00 00 00 Default FF FF FF 00 00 00 Description 16 characters maximum OUI Table Select oul Mask Description Fj 00 01 e3 00 00 00 ff ff ff 00 00 00 Siemens Phone F 00 03 6b 00 00 00 ff ff ff 00 00 00 Cisco Phone O 00 04 0d 00 00 00 ff ff ff 00 00 00 Avaya Phone O 00 60 b9 00 00 00 ff ff ff 00 00 00 Philips Phone Fl 00 d0 1e 00 00 00 ff ff ff 00 00 00 Pingtel Phone al 00 e0 75 00 00 00 ff ff ff 00 00 00 PolyCom Phone Fj 00 e0 bb 00 00 00 ff ff ff 00 00 00 3Com Phone All Figure 9 16 OUI Configuration The following entries are displayed on this screen gt Create OUI OUI Mask Description gt OUl Table Select OUI Mask Description Enter the OUI address of the voice device Enter the OUI address mask of the voice device Give a description to the OUI for identification Select the desired entry to view the detailed information Displays the OUI address of the voice device Displays the OUI address mask of the voice device Displays the description of the OUI Configuration Procedure of Voice VLAN 1 Configure the link type of the port Create VLAN Add OUI address 4 Configure the parameters of the ports in voice VLAN 135 Required On VLAN gt 802 1Q VLAN gt VLAN Config page configure the link type of ports of the voice device Required On VLAN 802 1Q VLAN gt VLAN Config page click the Create button to create a V
5. Configuration Procedure CN CIN Configure the mapping Required On QoS DiffServ DSCP Priority page relation between the DSCP enable DSCP Priority and configure the mapping priority and 802 1P priority relation between the DSCP priority and TC 2 Select a schedule mode Required On QoS DiffServ Schedule Mode page select a schedule mode 9 1 3 802 1P CoS mapping On this page you can configure the mapping relation between the 802 1P priority tag id CoS id and the TC id 802 1P gives the Pri field in 802 1Q tag a recommended definition This field ranging from 0 7 is used to divide packets into 8 priorities 802 1P Priority is enabled by default so the packets with 802 1Q tag are mapped to different priority levels based on 802 1P priority mode but the untagged packets are mapped based on port priority mode With the same value the 802 1P priority tag and the CoS will be mapped to the same TC Choose the menu QoS DiffServ 802 1P CoS mapping to load the following page 802 1P Priority Config 802 1P Priority O Enable Disable Apply Priority and CoS mapping Config Tag id CoS id Y Queue TC id v Tag id CoS id Queue TC id Tag id CoS id Queue TC id 0 TC1 1 TCO 2 TCO 3 TC1 4 TC2 5 TC2 6 TC3 7 TC3 Figure 9 9 802 1P CoS mapping The following entries are displayed on this screen gt 802 1P Priority Config 802 1P Priority Select Enable or Disable 802 1P Priority 125 gt Priority and Co
6. Confirm Password Password Display Mode User Table Select User ID Name Access Level and status Operation Create a name for users login Select the access level to login e Admin Admin can edit modify and view all the settings of different functions e Guest Guest only can view the settings without the right to edit and modify Select Enable Disable the user configuration Type a password for users login Retype the password e Simple Selecta simple password display mode e Cipher Select a cipher password display mode Select the desired entry to delete the corresponding user information It is multi optional The current user information can t be deleted Displays the current user ID user name access level and user status Click the Edit button of the desired entry and you can edit the corresponding user information After modifying the settings please click the Modify button to make the modification effective Access level and user status of the current user information cannot be modified 28 4 3 System Tools The System Tools function allowing you to manage the configuration file of the switch can be implemented on Config Restore Config Backup Firmware Upgrade System Reboot and System Reset pages 4 3 1 Config Restore On this page you can upload a backup configuration file to restore your switch to this previous configuration Choose the menu System System Tools Co
7. Figure 7 5 STP Summary 7 2 Port Config On this page you can configure the parameters of the ports for CIST 77 Choose the menu Spanning Tree Port Config to load the following page Port Config Select Port Status Priority ExtPath Cost IntPath Cost Edge Port P2P Link MCheck STP Version Port Role Port Status LAG Disable y Disable v Auto v Unchange v 1 Disable 128 Auto Auto Disable Auto 2 Disable 128 Auto Auto Disable Auto 3 Disable 128 Auto Auto Disable Auto 4 Disable 128 Auto Auto Disable Auto 5 Disable 128 Auto Auto Disable Auto 6 Disable 128 Auto Auto Disable Auto 7 Disable 128 Auto Auto Disable Auto 8 Disable 128 Auto Auto Disable Auto 9 Disable 128 Auto Auto Disable Auto 10 Disable 128 Auto Auto Disable Auto LAG1 11 Disable 128 Auto Auto Disable Auto LAG1 12 Disable 128 Auto Auto Disable Auto LAG1 13 Disable 128 Auto Auto Disable Auto LAG1 14 Disable 128 Auto Auto Disable Auto 16 Disable 128 Auto Auto Disable Auto R Bjb jE je e ee e e e ee e Note Apply Refresh Help Ifthe Path Cost of a port is setto 0 it will alter automatically according to the port s link speed Figure 7 6 Port Config The following entries are displayed on this screen gt Port Config Port Select Select Port Status Priority ExtPath IntPath Edge Port P2P Link MCheck STP Version C
8. Hash Algorithm gt LAG Table Select Group Number Description Member Select the applied scope of Aggregate Arithmetic which results in choosing a port to transfer the packets e SRC MAC DST MAC When this option is selected the Aggregate Arithmetic will apply to the source and destination MAC addresses of the packets e SRC IP DST IP When this option is selected the Aggregate Arithmetic will apply to the source and destination IP addresses of the packets Select the desired LAG It is multi optional Displays the LAG number here Displays the description of LAG Displays the LAG member 48 Operation Allows you to view or modify the information for each LAG e Edit Click to modify the settings of the LAG e Detail Click to get the information of the LAG Click the Detail button for the detailed information of your selected LAG Detail Info Group Number LAG1 LAG Type Static Port Status Enable Rate Auto Port mirror Disable Ingress Bandwidth bps Egress Bandwidth bps Broadcast Control bps Multicast Control bps UL Control bps QoS Priority Cos0 Join VLAN 1 Figure 5 8 Detailed Information 5 2 2 Static LAG On this page you can manually configure the LAG Choose the menu Switching LAG gt Static LAG to load the following page LAG Config Group Number LAG1 v Description Member Port O 1 O 2 O 3 O 4 Os DO 6 O 7 O e O 9 O 10 O11 012
9. Max Groups LAG Mote Select the port you want to configure Displays the port number Choose to enable or disable filter function in this port Choose the filter action mode You can accept or refuse Report message with specific multicast groups specify by the filter IDs Enter the filter IDs with this port The filter IDs are configured in Filer Config The format is 1 4 12 The max number of filter entries on each port is 15 Enter the maximum groups which the port can join as the member port It ranges from 0 to 256 Displays the LAG number If the Max Groups value is set less than the current value some groups may be deleted to satisfy the restriction 8 2 5 Static Multicast On this page you can configure static multicast groups The multicast groups configured here are not learned by MLD Snooping and independent of dynamic multicast groups and multicast filters The static multicast member ports won t age out 113 Choose the menu Multicast gt MLD Snooping Static Multicast to load the following page Static Multicast Config VLAN ID 1 4094 Multicast IP Format FF03 C2D5 2313 Member Ports Format 1 3 6 8 Static Multicast List VLANID Select VLAN ID Multicast IP Member Ports 5 Total Static Multicast 0 The following entries are displayed on this screen gt Static Multicast Config VLAN ID Enter the VLAN ID Multicast IP Enter the multicast IP address Member Ports Enter
10. Port Select Select Port Loop Protect Root Protect TC Protect BPDU Protect BPDU Filter LAG Click the Select button to quick select the corresponding port based on the port number you entered Select the desired port for port protect configuration It is multi optional Displays the port number of the switch Loop Protect is to prevent the loops in the network brought by recalculating STP because of link failures and network congestions Root Protect is to prevent wrong network topology change caused by the role change of the current legal root bridge TC Protect is to prevent the decrease of the performance and stability of the switch brought by continuously removing MAC address entries upon receiving TC BPDUs in the STP network BPDU Protect is to prevent the edge port from being attacked by maliciously created BPDUs BPDU Filter is to prevent BPDUs flood in the STP network Displays the LAG number which the port belongs to 85 7 4 2 TC Protect When TC Protect is enabled for the port on Port Protect page the TC threshold and TC protect cycle need to be configured on this page Choose the menu Spanning Tree STP Security TC Protect to load the following page TC Protect TC Threshold 20 packet 1 100 SUR TC Protect Cycle 5 sec 1 10 Figure 7 11 TC Protect The following entries are displayed on this screen gt TC Protect TC Threshold Enter a number from 1 to 100 It i
11. following table lists the mappings between address types and format prefixes Format Prefix binary IPv6 Prefix ID Unassigned address 00 0 128 bits 128 Loopback address 00 1 128 bits 1 128 Link local address 1111111010 FE80 10 Unicast address Site local address 1111111011 FECO 10 Global unicas address 001 O RE A currently assigned Reserved type A Other formats to be assigned in future Multicast address 11111111 FFOO 8 Anycast addresses are taken from unicast Anycast address address space and are not syntactically distinguishable from unicast addresses Table 4 1 Mappings between address types and format prefixes IPv6 Unicast Address IPv6 unicast address is an identifier for a single interface It consists of a subnet prefix and an interface ID e Subnet Prefix This section is allocated by the IANA The Internet Assigned Numbers Authority the ISP Internet Service Provider or the organizations e Interface ID An interface ID is used to identify interfaces on a link The interface ID must be unique to the link There are several ways to form interface IDs The IPv6 addresses with format prefixes 001 through 111 except for multicast addresses 1111 1111 are all required to have 64 bit interface IDs in EUI 64 format For all IEEE 802 interface types for example Ethernet and FDDI interfaces Interface IDs in the modified EUI 64 format are constructed in the following way The firs
12. gt Config Backup Backup Config Click the Backup Config button to save the current configuration as a file to your computer You are suggested to take this measure before upgrading note It will take a few minutes to backup the configuration Please wait without any operation 4 3 3 Firmware Upgrade The switch system can be upgraded via the Web management page To upgrade the system is to get more functions and better performance Go to http www tp link com to download the updated firmware Choose the menu System System Tools Firmware Upgrade to load the following page Firmware Upgrade You will getthe new function after upgrading the firmware Firmware File Browse Upgrade Firmware Version 1 0 0 Build 20140626 Rel 37975 s Hardware Version TL SG2424 2 0 Note 1 Please selectthe proper software version matching with your hardware to upgrade 2 To avoid damage please dont turn off the device while upgrading 3 After upgrading the device will reboot automatically 4 You are suggested to backup the configuration before upgrading Figure 4 15 Firmware Upgrade Anote 1 Don t interrupt the upgrade 2 Please select the proper software version matching with your hardware to upgrade 3 To avoid damage please don t turn off the device while upgrading 30 4 After upgrading the device will reboot automatically 5 You are suggested to backup the configuration before upgrading 4 3 4 Syste
13. v e Switch A is connecting to PC A and Server B e Switch B is connecting to PC B and Server A e PC Aand Server Ais in the same VLAN e PCB and Server B is in the same VLAN e PCs in the two VLANs cannot communicate with each other gt Network Diagram Server B Server A Switch A Port7 Switch B gt Configuration Procedure e Configure Switch A Configure the Required On VLAN 802 1Q VLAN gt VLAN Config page configure Link Type of the the link type of Port 2 Port 3 and Port 4 as Untagged Tagged and ports Untagged respectively 2 Create VLAN10 Required On VLAN gt 802 1Q VLAN gt VLAN Config page create a VLAN with its VLAN ID as 10 owning Port 2 and Port 3 68 Sep operator Bese o 3 Create VLAN20 Required On VLAN 802 1Q VLAN VLAN Config page create a VLAN with its VLAN ID as 20 owning Port 3 and Port 4 e Configure Switch B pes p p ooo Configure the Required On VLAN 802 1Q VLAN VLAN Config page configure Link Type of the the link type of Port 7 Port 6 and Port 8 as Untagged Tagged and ports Untagged respectively 2 Create VLAN10 Required On VLAN 802 1Q VLAN gt VLAN Config page create a VLAN with its VLAN ID as 10 owning Port 6 and Port 8 3 Create VLAN20 Required On VLAN 802 1Q VLAN VLAN Config page create a VLAN with its VLAN ID as 20 owning Port 6 and Port 7 Return to CONTENTS 69 Chapter 7 Spanning Tree STP Spanning Tree Protocol
14. User Guide TL SG2216 TL SG2424 TL SG2424P TL SG2452 Gigabit Smart Switch TP LINK REV2 0 0 1910011093 COPYRIGHT amp TRADEMARKS Specifications are subject to change without notice TIP LINIK is a registered trademark of TP LINK TECHNOLOGIES CO LTD Other brands and product names are trademarks or registered trademarks of their respective holders No part of the specifications may be reproduced in any form or by any means or used to make any derivative such as translation transformation or adaptation without permission from TP LINK TECHNOLOGIES CO LTD Copyright O 2014 TP LINK TECHNOLOGIES CO LTD All rights reserved http www tp link com FCC STATEMENT FE This equipment has been tested and found to comply wih the limits for a Class A digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1
15. v Group Name B v Security Level ToauiNorny v 16 characters maximum Privacy Password 1616 characters maximum el Privacy Operation al The security model and security level ofthe user should be the same with that ofits group Figure 12 6 SNMP User 158 The following entries are displayed on this screen gt User Config User Name User Type Group Name Security Model Security Level Auth Mode Auth Password Privacy Mode Privacy Password User Table Select User Name User Type Group Name Security Model Security Level Auth Mode Privacy Mode Operation Adore The SNMP User and its Group should have the same Security Model and Security Level Enter the User Name here Select the type for the User e Local User Indicates that the user is connected to a local SNMP engine e Remote User Indicates that the user is connected toa remote SNMP engine Select the Group Name of the User The User is classified to the corresponding Group according to its Group Name Security Model and Security Level Select the Security Model for the User Select the Security Level for the SNMP v3 User Select the Authentication Mode for the SNMP v3 User e None No authentication method is used e MD5 The port authentication is performed via HMAC MD5 algorithm e SHA The port authentication is performed via SHA Secure Hash Algorithm This authentication mode
16. 12 1 32768 Passive Disable 13 1 32768 Passive Disable 14 1 32768 Passive Disable 15 1 32768 Passive Disable v Note 1 To avoid any broadcast storm when LACP takes effect you are suggested to enable Spanning Tree function 2 LACP function cant be enabled for the port already in a static link aggregation group 3 The value of admin key can t be the same with the group number of any static link aggregation group in used and vice versa Figure 5 10 LACP Config The following entries are displayed on this screen gt Global Config Syste m Priority LACP Config Port Select Select Port Admin Key Specify the system priority for the switch The system priority and MAC address constitute the system identification ID A lower system priority value indicates a higher system priority When exchanging information between systems the system with higher priority determines which link aggregation a link belongs to and the system with lower priority adds the proper links to the link aggregation according to the selection of its partner Click the Select button to quick select the corresponding port based on the port number you entered Select the desired port for LACP configuration It is multi optional Displays the port number Specify an Admin Key for the port The member ports in a dynamic aggregation group must have the same Admin Key 51 Port Priority Specify a Port Priority for the
17. 70 60 50 40 30 20 10 0 Current Utilization MAX Utilization MIN Utilization Average Utilization 6 7 6 6 uomo stop Figure 14 1 CPU Monitor Click the Monitor button to enable the switch to monitor and display its CPU utilization rate every four seconds 183 14 1 2 Memory Monitor Choose the menu Mainte nance gt Syste m Monitor gt Me mory Monitor to load the following page Memory Monitor Run Time 244sec 100 90 80 70 60 50 40 30 20 10 0 Current Utilization MAX Utilization MIN Utilization Average Utilization 52 52 52 52 Lwonitor stop Figure 14 2 Memory Monitor Click the Monitor button to enable the switch to monitor and display its Memory utilization rate every four seconds 14 2 Log The Log system of switch can record classify and manage the system information effectively providing powerful support for network administrator to monitor network operation and diagnose malfunction The Logs of switch are classified into the following eight levels emergencies O The system is unusable alerts Action must be taken immediately critical Critical conditions errors Error conditions notifications Normal but significant conditions informational Informational messages warnings Warnings conditions debugging Debug level messages Table 14 1 Log Level 184 The Log function is implemented on the Log Table Local Log Remote Log and Backup Log pages
18. Class Il and Class Ill Bridge is a Network Connectivity Device 178 13 4 2 Port Config On this page you can configure all ports LLDP MED parameters Choose the menu LLDP gt LLDP MED gt Port Config to load the following page LLDP MED Port Config Pot select Port LLDP MED Status Included TL s O Disable v O 1 Disable Detail 4 O 2 Disable Detail O 3 Disable Detail O 4 Disable Detail O 5 Disable Detail O 6 Disable Detail O 7 Disable Detail O 8 Disable Detail O 9 Disable Detail 1 O 10 Disable Detail O 11 Disable Detail O 12 Disable Detail O 13 Disable Detail O 14 Disable Detail v Figure 13 7 LLDP MED Port Configuration The following entries are displayed on this screen gt LLDP MED Port Config Port Select Select the desired port to configure LLDP MED Status Configure the port s LLDP MED status Enable Enable the port s LLDP MED status and the port s Admin Status will be changed to Tx amp Rx Disable Disable the port s LLDP MED status Included TLVs Select TLVs to be included in outgoing LLDPDU Detail Click the Detail button to display the included TLVs and select the desired TLVs 179 Included TL s Network Policy Location Identification Extended Power Via MDI Inventory MI All Location Identification Parameters I Emergency Number Chars 1 0 25 Civic Address What LLDP MED Endpoint v Country Code CN China Default v Language Province Sta
19. Enter the time from 3 to 300 seconds to specify the auto fresh period gt MLD Packet Statistics Received MLD Displays the number of MLD Query packets the Query switch has received Received MLDv1 Displays the number of MLDv1 Report packets which Report the switch has received Received MLDv2 Displays the number of MLDv2 Report packets which Report the switch has received Received MLD Done Displays the number of MLD Done packets which the switch has received Send MLD Displays the number of MLD Specific Query packets Spec Query which the switch has sent 116 Error Packet Displays the number of error packets which the switch has received 8 3 Multicast Table In a network receivers can join different multicast groups appropriate to their needs The switch forwards multicast streams based on IPv4 IPv6 multicast address table The Multicast Table function is implemented on the IPv4 Multicast Table and IPv6 Multicast Table pages 8 3 1 IPv4 Multicast Table On this page you can view the information of the multicast groups already on the switch Multicast IP addresses range from 224 0 0 0 to 239 255 255 255 The range for receivers to join is from 224 0 1 0 to 239 255 255 255 Choose the menu Multicast gt Multicast Table IPv4 Multicast Table to load the following page Search Option O Multicast IP Format 225 0 0 1 O VLAN ID 1 4094 search O Port O Type All Static Dynamic Multicast IP Ta
20. The key must be BASE64 encoded Adore 1 The SSL certificate and key downloaded must match each other otherwise the HTTPS connection will not work The SSL certificate and key downloaded will not take effect until the switch is rebooted To establish a secured connection using https please enter https into the URL field of the browser 4 It may take more time for https connection than that for http connection because https connection involves authentication encryption and decryption etc 4 4 3 SSH Config As stipulated by IETF Internet Engineering Task Force SSH Secure Shell is a security protocol established on application and transport layers SSH encrypted connection is similar to a telnet connection but essentially the old telnet remote management method is not safe because the password and data transmitted with plain text can be easily intercepted SSH can provide information security and powerful authentication when you log on to the switch remotely through 34 an insecure network environment It can encrypt all the transmission data and prevent the information in a remote management being leaked Comprising server and client SSH has two versions V1 and V2 which are not compatible with each other In the communication SSH server and client can auto negotiate the SSH version and the encryption algorithm After getting a successful negotiation the client sends authentication request to the server for login and t
21. address prefix and interface ID The address prefix and the interface ID are respectively equivalent to the network ID and the host ID in an IPv4 address An IPv6 address prefix is represented in IPv6 address prefix length format where IPv6 address is an IPv6 address in any of the above mentioned formats and prefix length is a decimal number indicating how many leftmost bits from the preceding IPv6 address are used as the address prefix 2 IPv6 address classification IPv6 addresses fall into three types unicast address multicast address and anycast address e Unicast address An identifier for a single interface on a single node A packet that is sent to a unicast address is delivered to the interface identified by that address e Multicast address An identifier for a set of interfaces typically belonging to different nodes similar to an IPv4 multicast address A packet sent to a multicast address is delivered to all interfaces identified by that address There are no broadcast addresses in IPv6 Their function is superseded by multicast addresses 20 3 e Anycast address An identifier for a set of interfaces typically belonging to different nodes A packet sent to an anycast address is delivered to one of the interfaces identified by that address the nearest one according to the routing protocols measure of distance The type of an IPv6 address is designated by the first several bits called format prefix The
22. e Selecting the root port and designate port The operation is taken in the following way A Tips In a STP with stable topology only the root port and designated port can forward data and the For each switch except the one chosen as the root bridge in a network the port that receives the BPDU with the highest priority is chosen as the root port of the switch Using the root port BPDU and the root path cost the switch generates a designated port BPDU for each of its ports Root ID is replaced with that of the root port Root path is replaced with the sum of the root path cost of the root port and the path cost between this port and the root port The ID of the designated bridge is replaced with that of the switch The ID of the designated port is replaced with that of the port The switch compares the resulting BPDU with the BPDU of the desired port whose role you want to determine If the resulting BPDU takes the precedence over the BPDU of the port the port is chosen as the designated port and the BPDU of this port is replaced with the resulting BPDU The port regularly sends out the resulting BPDU If the BPDU of this port takes the precedence over the resulting BPDU the BPDU of this port is not replaced and the port is blocked The port only can receive BPDUs Table 7 2 Selecting root port and designated port other ports are blocked The blocked ports only can receive BPDUs RSTP Rapid Spaming Tree Protocol e
23. the spanning tree instances owning this port are configured as point to point links If the physical link of a port is not a point to point link and you forcibly configure the link as a point to point link temporary loops may be incurred 7 3 MSTP Instance MSTP combines VLANs and spanning tree together via VLAN to instance mapping table VLAN to spanning tree mapping By adding MSTP instances it binds several VLANs to an instance to realize the load balance based on instances Only when the switches have the same MST region name MST region revision and VLAN to Instance mapping table the switches can be regarded as in the same MST region The MSTP Instance function can be implemented on Region Config Instance Config and Instance Port Config pages 7 3 1 Region Config On this page you can configure the name and revision of the MST region 79 Choose the menu Spanning Tree MSTP Instance Region Config to load the following page Region Config Region Name 00 21 8c ea 4e d3 Revision 0 0 65535 Figure 7 7 Region Config The following entries are displayed on this screen gt Region Config Region Name Create aname for MST region identification using up to 32 characters Revision Enter the revision from 0 to 65535 for MST region identification 7 3 2 Instance Config Instance Configuration a property of MST region is used to describe the VLAN to Instance mapping configuration You can assign
24. w O 1 Disable Disable Disable O 2 Disable Disable Disable O 3 Disable Disable Disable O 4 Disable Disable Disable O 5 Disable Disable Disable O 6 Disable Disable Disable dl 7 Disable Disable Disable g 8 Disable Disable Disable O 9 Disable Disable Disable O 10 Disable Disable Disable O 11 Disable Disable Disable Fj 12 Disable Disable Disable y Note For one port you cannot enable the Storm Control and the Ingress rate control atthe same time Figure 9 13 Storm Control The following entries are displayed on this screen gt Storm Control Config Port Select Select Port Broadcast Multicast UL Frame Rate bps LAG Mnote Click the Select button to quick select the corresponding port based on the port number you entered Select the desired port for Storm Control configuration It is multi optional Displays the port number of the switch Enable Disable broadcast control feature for the port Enable Disable multicast control feature for the port Enable Disable UL Frame control feature for the port Select the bandwidth for receiving the specified packet on the port The packet traffic exceeding the bandwith will be discarded Displays the LAG number which the port belongs to If you enable storm control feature for the ingress rate limit enabled port ingress rate limit feature will be disabled for this port 130 9 3 Voice VLAN Voice VLANs are configured spec
25. 113 O 14 115 116 117 O 18 O 19 120 O21 022 023 C24 Apply Note 1 LAG denotes the Link Aggregation Group which the port belongs to 2 Its not suggested to set 100M and 1000M ports in the same LAG 3 The LAG created by LACP can t be modified Figure 5 9 Manually Config The following entries are displayed on this screen gt LAG Config Group Number Select a Group Number for the LAG 49 Description Displays the description of the LAG gt Member Port Member Port Select the port as the LAG member Clearing all the ports of the LAG will delete this LAG Tips 1 The LAG can be deleted by clearing its all member ports 2 Aport can only be added to a LAG If a port is the member of a LAG the port number will be displayed in gray and cannot be selected 5 2 3 LACP Config LACP Link Aggregation Control Protocol is defined in IEEE802 3ad and enables the dynamic link aggregation and disaggregation by exchanging LACP packets with its partner The switch can dynamically group similarly configured ports into a single logical link which will highly extend the bandwidth and flexibly balance the load With the LACP feature enabled the port will notify its partner of the system priority system MAC port priority port number and operation key operation key is determined by the physical properties of the port upper layer protocol and admin key The device with higher priority will lead the aggregation and disaggregation Syst
26. 14 2 1 Log Table The switch supports logs output to two directions namely log buffer and log file The information in log buffer will be lost after the switch is rebooted or powered off whereas the information in log file will be kept effective even the switch is rebooted or powered off Log Table displays the system log information in log buffer Choose the menu Maintenance gt Log Log Table to load the following page Log Info Index Time Module Severity Content All Module All Level w 1 2012 04 29 16 16 10 LAG level_6 Changed Link Aggregation Group 1 members 10 11 12 13 0 0 0 0 2 201 2 04 29 16 15 54 LAG level_6 Added new Link Aggregation Group 1 members 10 11 12 13 0 0 0 0 3 201 2 04 29 15 56 28 Port level_5 Mirror group 4 is delete 4 201 2 04 29 15 07 02 SNTP level_5 Setting system time OK 5 2006 01 01 08 00 15 SNMP level_5 SNMP initialization OK 6 2006 01 01 08 00 00 QoS level_5 QoS module initialization OK Note 1 There are 8 severity levels marked with value 0 7 The smaller value has the higher priority 2 This page displays logs in the log buffer and at most 512 logs are displayed Figure 14 3 Log Table The following entries are displayed on this screen gt Log Info Index Displays the index of the log information Time Displays the time when the log event occurs The log can get the correct time after you configure on the System gt System Info gt System Time Web management page Module Displays the
27. 6 1 6 3 16 F viewDefault Exclude 1 3 6 1 6 3 18 Al Figure 12 4 SNMP View The following entries are displayed on this screen gt View Config View Name Give a name to the View for identification Each View can include several entries with the same name MIB Object ID Enter the Object Identifier OID for the entry of View View Type Select the type for the view entry e Include The view entry can be managed by the SNMP management station e Exclude The view entry cannot be managed by the SNMP management station gt View Table Select Select the desired entry to delete the corresponding view All the entries of a View will be deleted together View Name Displays the name of the View entry View Type Displays the type of the View entry MIB Object ID Displays the OID of the View entry 156 12 1 3 SNMP Group On this page you can configure SNMP Group to control the network access by providing the users in various groups with different management rights via the Read View Write View and Notify View Choose the menu SNMP gt SNMP Config SNMP Group to load the following page Group Config Group Name 16 characters maximum Security Model viv Security Level no uthNoPriv y Read View viewDefault v Write View None v Notify View None w Group Table Select Group Name Pao Security Level Read view Write View Notify View Operation Al Note A group should contain a read view and th
28. Current Time Source Manual Time Config Manual Date Time Get Time from NTP Server Time Zone UTC 08 00 Beijing Chongqing Hong Kong Urumqi Singapore v Primary Sever 133 100 9 2 Secondary Sever 139 78 100 163 p Update Rate 2 hour s L O Synchronize with PC s Clock Figure 4 5 System Time 15 The following entries are displayed on this screen Displays the current date and time of the switch Displays the current time source of the switch When this option is selected you can set the date and time When this option is selected you can configure the time zone and the IP Address for the NTP Server The switch will get UTC automatically if it has connected to an NTP Server e Time Zone Select your local time e Primary Secondary Server Enter the IP Address for the e Update Rate Specify the rate fetching time from NTP server When this option is selected the administrator PC s clock is The system time will be restored to the default when the switch is restarted and you need to gt Time Info Current System Date Current Time Source gt Time Config Manual manually Get Time from NTP Server NTP Server Synchronize with PC S Clock utilized Anote 1 reconfigure the system time of the switch 2 When Get Time from NTP Server is selected and no time server is configured the switch will get time from the time server of the Internet if it has connected to the Intern
29. Displays the Type of the MAC address Aging Status Displays the Aging Status of the MAC address Bind Click the Bind button to bind the MAC address of your selected entry to the corresponding port statically Tips Setting aging time properly helps implement effective MAC address aging The aging time that is too long or too short results in a decrease of the switch performance If the aging time is too long excessive invalid MAC address entries maintained by the switch may fill up the MAC address table This prevents the MAC address table from updating with network changes in time If the aging time is too short the switch may remove valid MAC address entries This decreases the forwarding performance of the switch It is recommended to keep the default value 5 4 4 Filtering Address The filtering address is to forbid the undesired packets to be forwarded The filtering address can be added or removed manually independent of the aging time The filtering MAC address allows the switch to filter the packets which includes this MAC address as the source address or destination address so as to guarantee the network security The filtering MAC address entries act on all the ports in the corresponding VLAN 59 Choose the menu Switching gt MAC Address Filtering Address to load the following page Create Filtering Address MAC Address Format 00 00 00 00 00 01 VLAN ID 1 4094 Search Option Search Option Al
30. IP End Multicast IP O Total IP Range 0 Figure 8 8 Multicast Filter The following entries are displayed on this screen gt Create IP Range IP Range ID Enter the IP range ID Start Multicast IP Enter start multicast IP of the IP range you set End Multicast IP Enter end multicast IP of the IP range you set gt IP Range Table IP Range ID Select Click the Select button to quick select the corresponding IP range ID based on the ID number you entered Select Select the desired entry to delete or modify the corresponding IP range It is multi optional IP Range ID Displays IP range ID Start Multicast IP Displays start multicast IP of the IP range End Multicast IP Displays end multicast IP of the IP range 8 1 5 Multicast VLAN In old multicast transmission mode when users in different VLANs apply for join the same multicast group the multicast router will duplicate this multicast information and deliver each VLAN owning a receiver one copy This mode wastes a lot of bandwith The problem above can be solved by configuring a multicast VLAN By adding switch ports to the multicast VLAN and enabling IGMP Snooping you can make users in different VLANs share the same multicast VLAN This saves the bandwidth since multicast streams are transmitted only within the multicast VLAN and also guarantees security because the multicast VLAN is isolated from user VLANS 101 Before configuring a multicast VL
31. In this case the switch occupying too much CPU or the protocol status of BPDUs is wrong With BPDU filter function enabled a port does not receive or forward BPDUs but it sends out its own BPDUs Such a mechanism prevents the switch from being attacked by BPDUs so as to guarantee generation the spanning trees correct 84 Choose the menu Spanning Tree STP Security Port Protect to load the following page Port Protect Pot Select Port Loop Protect RootProtect TC Protect BPDU Protect BPDU Filter LAG O Disable v Disable v Disable v Disable v Disable Fi 1 Disable Disable Disable Disable Disable oO 2 Disable Disable Disable Disable Disable Fj 3 Disable Disable Disable Disable Disable O 4 Disable Disable Disable Disable Disable O 5 Disable Disable Disable Disable Disable oO 6 Disable Disable Disable Disable Disable O 7 Disable Disable Disable Disable Disable O 8 Disable Disable Disable Disable Disable Fi 9 Disable Disable Disable Disable Disable Fi 10 Disable Disable Disable Disable Disable LAG1 a 11 Disable Disable Disable Disable Disable LAG1 O 12 Disable Disable Disable Disable Disable LAG1 O 13 Disable Disable Disable Disable Disable LAG1 oO 14 Disable Disable Disable Disable Disable Fj 15 Disable Disable Disable Disable Disable Figure 7 10 Port Protect The following entries are displayed on this screen gt Port Protect
32. Isolation to load the following page Port Isolation Config From Port 1 e To Port 1 v Forward Portlist O 1 O 2 O 3 O 4 Os Os O7 Os O 9 O 10 011 012 013 14 O15 016 017 O 18 O 19 O20 O21 022 023 O24 Port Isolation List Port Forward Portlist 1 1 24 2 1 24 3 1 24 4 1 24 5 1 24 6 1 24 7 1 24 8 1 24 9 1 24 40 1 24 11 1 24 12 1 24 13 1 24 14 1 24 15 1 24 v Figure 5 5 Port Isolation The following entries are displayed on this screen gt Portisolation Config From Port To Port Select the port number in this range to set their forward list Forward Portlist Select the port that to be forwarded to gt Port isolation List Port Displays the port number Forward Portlist Displays the forward portlist 45 5 1 5 Loopback Detection With loopback detection feature enabled the switch can detect loops using loopback detection packets When a loop is detected the switch will display an alert or further block the corresponding port according to the port configuration Choose the menu Switching Port Loopback Detection to load the following page Global Config Loopback Detection Status Detection Interval Automatic Recovery Time Web Refresh Status Enable Disable 30 seconds 1 1000 3 detection times 1 100 Apply Enable Disable Web Refresh Interval 3 seconds 3 100 Port Config Port Select Port Status Operation mode Recovery mode Loop status Block sta
33. Location SHENZHEN System Contact www tp link com Hardware Version TL SG2424 2 0 Firmware Version 1 0 0 Build 20140626 Rel 37975 s IP Address 192 168 0 1 Subnet Mask 255 255 255 0 Default Gateway MAC Address 00 0A EB 11 11 31 System Time 2006 01 01 09 08 10 Run Time 0 day 1 hour 8 min 20 sec Figure 4 1 System Summary gt Port Status BAT Indicates the 1000Mbps port is not connected to a device uuu Indicates the 1000Mbps port is at the speed of 1000Mbps bind Indicates the 1000Mbps port is at the speed of 10Mbps or 100Mbps 13 Indicates the SFP portis not connected to a device Indicates the SFP portis at the speed of 1000Mbps When the cursor moves on the port the detailed information of the port will be displayed Port 15 Type 1000M RJ45 Speed 1000M FullDuplex Status Connected Enable Figure 4 2 Port Information gt Portinfo Port Displays the port number of the switch Type Displays the type of the port Rate Displays the maximum transmission rate of the port Status Displays the connection status of the port Click a port to display the bandwidth utilization on this port The actual rate divided by theoretical maximum rate is the bandwidth utilization The following figure displays the bandwidth utilization monitored every four seconds Monitoring the bandwith utilization on each port facilitates you to monitor the network traffic and analyze the network abnormities R
34. Network Diagnostics Ping to load the following page 188 Ping Config Destination IP 192 168 0 1 Ping Times 4 1 10 Data Size 64 byte 1 1024 Interval 1000 millisec 100 1000 Ping Result Pinging 192 168 0 1 with 64 bytes of data Reply from 192 168 0 1 bytes 64 time lt 16ms TTL 64 Reply from 192 168 0 1 bytes 64 time 16ms TTL 64 Reply from 192 168 0 1 bytes 64 time lt 16ms TTL 64 Reply from 192 168 0 1 bytes 64 time 16ms TTL 64 Ping statistics for 192 168 0 1 Packets Sent 4 Received 4 Lost 0 0 loss Approximate round trip times in milli seconds Minimum Oms Maximum Oms Average Oms Figure 14 8 Ping The following entries are displayed on this screen gt Ping Config Destination IP Enter the IP address of the destination node for Ping test Both IPv4 and IPv6 are supported Ping Times Enter the amount of times to send test data during Ping testing The default value is recommended Data Size Enter the size of the sending data during Ping testing The default value is recommended Interval Specify the interval to send ICMP request packets The default value is recommended 14 4 2 Tracert Tracert test function is used to test the connectivity of the gateways during its journey from the source to destination of the test data When malfunctions occur to the network you can locate trouble spot of the network with this tracert test Choose the menu Maintenance Network Dia
35. O Disable VLAN ID 2 4094 a Lappiy_ Aging Time 1440 min 1 43200 default 1440 Help Priority 6 j Figure 9 14 Global Configuration The following entries are displayed on this screen gt Global Config Voice VLAN Select Enable Disable Voice VLAN function VLAN ID Enter the VLAN ID of the voice VLAN Aging Time Specifies the living time of the member port in auto mode after the OUI address is aging out Priority Select the priority of the port when sending voice data 9 3 2 Port Config Before the voice VLAN function is enabled the parameters of the ports in the voice VLAN should be configured on this page Choose the menu QoS Voice VLAN Port Config to load the following page Por Config pon Select Port Por Mode Security Mode Member State LAG O Po v w O 1 Auto Disable Inactive O 2 Auto Disable Inactive O 3 Auto Disable Inactive O 4 Auto Disable Inactive O 5 Auto Disable Inactive O 6 Auto Disable Inactive O 7 Auto Disable Inactive O 8 Auto Disable Inactive O 9 Auto Disable Inactive O 10 Auto Disable Inactive Figure 9 15 Port Config 133 Mdote To enable voice VLAN function for the LAG member port please ensure its member state accords with its port mode If a port is a member port of voice VLAN changing its port mode to be Auto will make the port leave the voice VLAN and will not join the voice VLAN automatical
36. PoE Status Select to the enable disable PoE feature for the corresponding PoE Priority port If set enable the port may supply power to the linked PD Power Device The priority levels include High Middle and Low in descending order When the supply power exceeds the system power limit the PD linked to the port with lower priority will be disconnected 149 Power Limit Defines the max power the corresponding port can supply Class represents 4w Class2 represents 7w and Class3 represents 15 4w for Defines the max power the corresponding port can supply Class represents 4w Class2 represents 7w Class3 represents 15 4w and Class4 represents 30w for TL SG2424P gt PoE Profile Select Select the desired profile to delete Profile Name Displays the name of the profile PoE Status Displays the PoE status of the port in the profile PoE Priority Displays the PoE priority of the port in the profile Power Limit Displays the max power the port in the profile can supply 11 2 PoE Time Range A time range based PoE enables you to implement PoE power supply by differentiating the time ranges A time range can be specified for each port The port will not supply power when the specified time range is configured and the system time is not within the time range On this switch absolute time week time and holiday can be configured Configure an absolute time section in the form of the start date to the end dat
37. Port Config Port Mirror Port Security Port Isolation and Loopback Detection pages 5 1 1 Port Config On this page you can configure the basic parameters for the ports When the port is disabled the packets on the port will be discarded Disabling the port which is vacant for a long time can reduce the power consumption effectively And you can enable the port when it is in need The parameters will affect the working mode of the port please set the parameters appropriate to your needs Choose the menu Switching Port Port Config to load the following page Port Config Pot Select Port Description Status Speed and Duplex Flow Control LAG O Disable v 10MHD Disable Fi 1 Enable Auto Disable A O 2 Enable Auto Disable O 3 Enable Auto Disable O 4 Enable Auto Disable O 5 Enable Auto Disable O 6 Enable Auto Disable O 7 Enable Auto Disable Fi 8 Enable Auto Disable Fi g Enable Auto Disable O 10 Enable Auto Disable E 11 Enable Auto Disable Fi 2 Enable Auto Disable Fi 13 Enable Auto Disable O 14 Enable Auto Disable O 15 Enable Auto Disable v Note The Port Description should be not more than 16 characters Figure 5 1 Port Config The following entries are displayed on this screen gt Port Config Port Select Click the Select button to quick select the corresponding pori based on the port number you entered Select Select the desired port for configuration It is multi optional Port Displays the port n
38. Router ap Sy lt PC Receiver 1 Receiver 2 Figure 8 1 Information transmission in the multicast mode Features of multicast 1 The number of receivers is not certain Usually point to multipoint transmission is needed 2 Multiple users receiving the same information form a multicast group The multicast information sender just need to send the information to the network device once 3 Each user can join and leave the multicast group at any time 4 Real time is highly demanded and certain packets drop is allowed 91 gt IPv4 Multicast Address 1 IPv4 Multicast IP Address As specified by IANA Internet Assigned Numbers Authority Class D IP addresses are used as destination addresses of multicast packets The multicast IP addresses range from 224 0 0 0 239 255 255 255 The following table displays the range and description of several special multicast IP addresses 224 0 0 0 224 0 0 255 Reserved multicast addresses for routing protocols and other network protocols 224 0 1 0 224 0 1 255 Addresses for video conferencing 239 0 0 0 239 255 255 255 Local management multicast addresses which are used in the local network only Table 8 1 Range of the special multicast IP 2 IPv4 Multicast MAC Address When a unicast packet is transmitted in an Ethernet network the destination MAC address is the MAC address of the receiver When a multicast packet is transmitted in an Ethernet network the d
39. Sequence FCS The length of the packet is from 64 bytes to maximal bytes of the jumbo frame usually 10240 bytes Displays the number of the received packets excluding error packets that are less than 64 bytes long Displays the number of the received packets including error packets that are 64 bytes long Displays the number of the received packets including error packets that are between 65 and 127 bytes long Displays the number of the received packets including error packets that are between 128 and 255 bytes long Displays the number of the received packets including error packets that are between 256 and 511 bytes long Displays the number of the received packets including error packets that are between 512 and 1023 bytes long Displays the number of the received packets including error packets that are over 1023 bytes Displays the number of collisions experienced by a port during packet transmissions 54 5 4 MAC Address The main function of the switch is forwarding the packets to the correct ports based on the destination MAC address of the packets Address Table contains the port based MAC address information which is the base for the switch to forward packets quickly The entries in the Address Table can be updated by auto learning or configured manually Most entries are generated and updated by auto learning In the stable networks the static MAC address entries can facilitate the switch to reduce
40. TC1 TC2 and TC3 In SP mode their priorities increase in order TC3 has the highest priority The disadvantage of SP queue is that if there are packets in the queues with higher priority for a long time in congestion the packets in the queues with lower priority will be starved to death because they are not served 120 Packets are mapped to different priority queues ih Yon mam T3 CA i Packets in TC3 are it preferentially Packets sent via this interface forwarded a Gs a Gs A YS a i Egress interface A Sas 2 ee a GO Saa Su Ey Gas o Packets y classification SP Mode Figure 9 4 SP Mode WRR Mode Weight Round Robin Mode In this mode packets in all the queues are sent in order based on the weight value for each queue and every queue can be assured of a certain service time The weight value indicates the occupied proportion of the resource WRR queue overcomes the disadvantage of SP queue that the packets in the queues with lower priority cannot get service for a long time In WRR mode though the queues are scheduled in order the service time for each queue is not fixed that is to say if a queue is empty the next queue will be scheduled In this way the bandwidth resources are made full use of The default weight value ratio of TCO TC1 TC2 and TC3 is 1 2 4 8 Packets are mapped to different priority queues Gua To Packets in TCO TC3 are tot forwarded following the Packets
41. ad Acid 147 11 1 POE CONi gome eera ae a ill iied santi 147 11 1 1 POE Contig oesie einen ienaa Ea A EARE ALEE DETE AE E aoaaa 148 141 27 POE Profile rpi aie res a e te a AA EEO AT 149 11 2 POE Time Rangen re A A AA seer cE 150 11 2 1 Time Range SUMMalryY cccccccccncnnnnonnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnninininnes 150 11 2 2 PoE Time Range Create ooooccciniciciccncncncncncnnnnnnnnnnonnnnnonononononononononnnnnenenennnnns 151 112 3 PoE Holiday COM vai AA Ae 152 Chapter 12 SNMIP aariaa aa aa a Aen Aad ean eed ised techs tine 153 12 1 SNMP CONTIG ted lo cee cae ee crane eee alata ted mech led sk ae eee cae ee 155 12 41 Global Configii cionales ratela lactea 155 124625 SNMP VOM is sd sala in iba 156 12 1 3 SNMP Group aa codi saree tec E EEE PEE AEEA AEEA senedeadsdaceheaweeadence 157 1214 SNMP USET nico od dd 158 12 1 5 SNMP CoMMUN Visita eebedehed daveenvadedhes elegeted chegecebesedbcectanvecees 160 12 2 Notifica cts ad 162 A O Stoenetterahiies reunite renidens 163 12334 History CoN e e e ns 164 12 322 O A 165 12 3 3 Alarm Confucio 166 Chapter 43 LEDP ess oa ta laa ata pia 168 A A A E RS 172 ISA Global Co a a a E a a LLTOL 172 T312 A A O 173 132 DEVICES IO ii A A A 174 AS 251 LOCO ad 174 13 221 Neighbor INTO sence ake aerated ae eee eet a eee eae 175 13 3 Device StatiStiCS estribillo athe ea AAE AA AE AAi 175 13 42 ILDPSMED tall aid 177 A Global ATA eean aces cedveletesauete cungoesddbavoheenca
42. address Provider Site Host EI P Global Routing Prefix subnet o Interface ID 001 Figure 4 8 Global Unicast Address Format Link local address A link local address is an IPv6 unicast address that can be automatically configured on any interface using the link local prefix FE80 10 1111 1110 10 and the interface identifier in the modified EUI 64 format Link local addresses are used in the neighbor discovery protocol and the stateless autoconfiguration process Nodes on a local link can use link local addresses to communicate The figure below shows the structure of a link local address 128 bits 0 Interface ID 1111 1110 10 FE80 10 10 bits Figure 4 9 Link local Address Format IPv6 devices must not forward packets that have link local source or destination addresses to other links 22 Adore You can configure multiple IPv6 addresses per interface but only one link local address gt IPv6 Neighbor Discovery The IPv6 neighbor discovery process uses ICMP messages and solicited node multicast addresses to determine the link layer address of a neighbor on the same network local link verify the reachability of a neighbor and track neighboring devices 1 IPv6 Neighbor Solicitation Message and Neighbor Advertisement Message A value of 135 in the Type field of the ICMP packet header identifies a neighbor solicitation NS message Neighbor solicitation messages are sent on the local li
43. be forwarded after removing its VLAN tag When untagged if the VID of packet The packet will be Untagged packets are is allowed by the forwarded received the port the packet will unchanged port will add the be received default VLAN tag i e the PVID f the VID of packet The packet will be The packet will of the ingress is forbidden by the port to the port the packet will packets be dropped forwarded with the be forwarded PVID of egress port with its current as its VLAN tag VLAN tag Table 6 1 Relationship between Port Types and VLAN Packets Processing IEEE 802 1Q VLAN function is implemented on the VLAN Config pages 6 1 1 VLAN Config On this page you can configure the 802 1Q VLAN and its ports 66 Choose the menu VLAN gt 802 1Q VLAN gt VLAN Config to load the following page VLAN Create VLAN ID 2 4094 Name 16 characters maximum VLAN Table VLANID Select VLAN ID Name Untagged Ports Tagged Ports Operation O 1 Default VLAN 1 24 Delete VLAN Membership VLAN ID VLAN Name Port 1 2 3 5 6 7 8 9 10 11 12 13 14 Untagged O O O O O O O O O O O O O Tagged O O O O O O O O O O O O O NotMember PVID 19 19 19 a A 1118111911121 11981118 18 12 LAG Ss ES x i Port 15 16 17 19 20 21 22 23 24 Untagged O O O O O O O O O Tagged O O O O O O O O NotMember 10
44. broadcast packets and enhance the efficiency of packets forwarding remarkably The address filtering feature allows the switch to filter the undesired packets and forbid its forwarding so as to improve the network security The types and the features of the MAC Address Table are listed as the following Being kept after Relationship between the Configuration reboot bound MAC address and Aging out f h if the configuration the port is saved The bound MAC address cannot be learned by the other ports in the same VLAN Address Table configuring Automatically Yes No The bound MAC address Address Table learning can be learned by the other ports in the same VLAN Filtering Manually Address Table configuring Table 5 1 Types and features of Address Table This function includes four submenus Address Table Static Address Dynamic Address and Filtering Address 5 4 1 Address Table On this page you can view all the information of the Address Table Choose the menu Switching gt MAC Address lt Address Table to load the following page Search Option CL MAC Address Format 00 00 00 00 00 01 O VLAN ID l 1 4094 O Port O Type All Static Dynamic Filtering Address Table MAC Address VLAN IB Port Type Aging Status 6C 62 6D F5 9D 86 1 2 Dynamic Aging Total MAC Address 1 Note The maximum of the displayed entries is 100 by default please click the Search button to get the complete ad
45. certain rules Map The user can map the ingress packets to different priority queues based on the priority modes This switch implements three priority modes based on port on 802 1P and on DSCP e Queue scheduling algorithm When the network is congested the problem that many packets compete for resources must be solved usually in the way of queue scheduling The switch supports four schedule modes SP WRR SP WRR and Equ gt Priority Mode This switch implements three priority modes based on port on 802 1P and on DSCP By default the priority mode based on port is enabled and the other two modes are optional 1 Port Priority Port priority is just a property of the port After port priority is configured the data stream will be mapped to the egress queues according to the CoS of the port and the mapping relationship between CoS and queues 119 2 802 1P Priority Ethernet Frame 3bit for CoS 802 1p priority PRI CFI VLAN ID 802 1 Q p Tag Figure 9 2 802 1Q frame As shown in the figure above each 802 1Q Tag has a Pri field comprising 3 bits The 3 bit priority field is 802 1p priority in the range of O to 7 802 1P priority determines the priority of the packets based on the Pri value On the Web management page of the switch you can configure different priority tags mapping to the corresponding priority levels and then the switch determine which packet is sent preferentially when forwarding packets The sw
46. comprehensive network monitoring capabilities It eliminates the polling required in standard SNMP and can set alarms on a variety of traffic conditions including specific error types Rapid Spanning Tree Protocol RSTP RSTP reduces the convergence time for network topology changes to about 10 of that required by the older IEEE 802 1D STP standard Simple Network Management Protocol SNMP The application protocol in the Internet suite of protocols which offers network management services Simple Network Time Protocol SNTP SNTP allows a device to set its internal clock based on periodic updates from a Network Time Protocol NTP server Updates can be requested from a specific NTP server or can be received via broadcasts sent by NTP servers Spanning Tree Algorithm STA A technology that checks your network for any loops A loop can often occur in complicated or backup linked network systems Spanning Tree detects and directs data along the shortest available path maximizing the performance and efficiency of the network Telnet Defines a remote communication facility for interfacing to a terminal device over TCP IP Transmission Control Protocol Internet Protocol TCP IP Protocol suite that includes TCP as the primary transport protocol and IP as the network layer protocol Trivial File Transfer Protocol TFTP A TCP IP protocol commonly used for software downloads User Datagram Protocol UDP UDP provides a datagram mo
47. from which the history samples were taken Interval Specify the interval to take samplings from the port Owner Enter the name ofthe device or user that defined the entry 164 Status 12 3 2 EventConfig On this page you can configure the RMON events Select Enable Disable the corresponding sampling entry Choose the menu SNMP gt RMON Event Config to load the following page Event Table Select Index O F 1 go 2 O 3 oO 4 F 5 Fj 6 Fj 7 F 8 Fj 9 O 10 O 11 dl 12 User Description Type Owner Status None Disable public None monitor Disable public None monitor Disable public None monitor Disable public None monitor Disable public None monitor Disable public None monitor Disable public None monitor Disable public None monitor Disable public None monitor Disable public None monitor Disable public None monitor Disable public None monitor Disable Figure 12 10 Event Config The following entries are displayed on this screen gt Event Table Select Index User Description Type Owner Status Select the desired entry for configuration Displays the index number of the entry Enter the name of the User or the community to which the event belongs Give a description to the event for identification Select the event type which determines the act way of the network device in response to an event e None No processing e Log Logging the event
48. is working normally The switch is working abnormally A 1000Mbps device is connected to the corresponding Green port but no activity Flashing Data is being transmitted or received 10 100 1000Mbps A 10 100Mbps device is connected to the corresponding Yellow port but no activity Flashing Data is being transmitted or received Off No device is connected to the corresponding port 2 3 2 Rear Panel The rear panel of TL SG2216 TL SG2424 TL SG2424P TL SG2452 features a power socket and a Grounding Terminal marked with here we take TL SG2216 for example Figure 2 5 Rear Panel gt Grounding Terminal The switch already comes with Lightning Protection Mechanism You can also ground the switch through the PE Protecting Earth cable of AC cord or with Ground Cable gt AC Power Socket Connect the female connector of the power cord here and the male connector to the AC power outlet Please make sure the voltage of the power supply meets the requirement of the input voltage 100 240V 50 60Hz 0 4A for TL SG2216 100 240V 50 60Hz 0 5A for TL SG2424 100 240V 50 60Hz 3 5A for TL SG2424P and100 240V 50 60Hz 1 0A for TL SG2452 Return to CONTENTS 10 Chapter 3 Login to the Switch 3 1 Login 1 To access the configuration utility open a web browser and type in the default address http 192 168 0 1 in the address field of the browser then press the Enter key ess Elm 7182 188 01 E Figure 3 1 W
49. module which the log information belongs to You can select a module from the drop down list to display the corresponding log information Severity Displays the severity level of the log information You can select a severity level to display the log information whose severity level value is the same or smaller Content Displays the content of the log information note 1 The logs are classified into eight levels based on severity The higher the information severity is the lower the corresponding level is 2 This page displays logs in the log buffer and at most 512 logs are displayed 14 2 2 LocalLog Local Log is the log information saved in switch By default all system logs are saved in log buffer and the logs with severities from level_0 to level_2 are saved in log file meanwhile On this page you can set the output channel for logs 185 Choose the menu Mainte nance Log Local Log to load the following page Local Log Config Select Channel Severity Status D CM O Log Buffer level_6 Enable O Log File level_2 Disable Note 1 Local log includes 2 channels log buffer and log file 2 There are 8 severity levels marked with values 0 7 The smaller value has the higher priority Figure 14 4 Local Log The following entries are displayed on this screen gt Local Log Config Select Select the desired entry to configure the corresponding local log Channel e Log buffer Indicates the RAM for saving s
50. onlink IPv6 prefixes that nodes on the local link can use to automatically configure their IPv6 addresses e Lifetime information for each prefix included in the advertisement e Sets of flags that indicate the type of autoconfiguration stateless or stateful that can be completed e Default router information whether the device sending the advertisement should be used as a default router and if so the amount of time in seconds the device should be used as a default router e Additional information for hosts such as the hop limit and maximum transmission unit MTU a host should use in packets that it originates RAs are also sent in response to device solicitation messages Device solicitation messages which have a value of 133 in the Type field of the ICMP packet header are sent by hosts at system startup or anytime needed so that the host can immediately autoconfigure without needing to wait for the next scheduled RA message Hosts discover and select default devices by listening to Router Advertisements RAs Stateless address autoconfiguration means that the node automatically configures an IPv6 address and other information for its interface according to the address prefix and other configuration parameters in the received RA messages IPv6 Neighbor Redirect Message A value of 137 in the type field of the ICMP packet header identifies an IPv6 neighbor redirect message Devices send neighbor redirect messages to i
51. page enable the MLD Snooping function globally Enable MLD Snooping in the Required On the Multicast MLD Snooping VLAN Config page specify the VLAN ID as the VLAN created in step 1 Enable the Multicast VLAN Required On the Multicast MLD Snooping Global Config page enable the Multicast VLAN function and specify the Multicast VLAN ID as the VLAN specified in Step 1 8 2 2 VLAN Config On this page you can configure MLD Snooping function with each single VLAN You need to create VLAN if you want to enable MLD Snooping function in this VLAN 110 Choose the menu Multicast MLD Snooping VLAN Config to load the following page VLAN Config VLAN ID amg Router Port Aging Time 10 sec 0 1000 Member Port Aging Time 0 sec 0 200 1000 Immediate Leave Enable Disable Static Router Ports Format 1 3 6 8 VLAN Table vANID RouterPort MemberPort Immediate Select VLAN ID Static Router Ports Dynamic Router Ports Aging Time Aging Time Leave O Enable v o 1 300 400 Enable 2 O 4094 300 400 Disable 2 4 6 8 10 12 14 16 18 20 22 24 2 4 6 8 10 12 14 16 18 20 22 24 Apply Delete Help Total Configured VLANs 2 Note 1 The VLAN configuartion will take effect when global MLD Snooping function is enabled and the corresponding VLAN is created 2 When the router port aging time or member port aging time is set for a VLAN this value overrides the value configured globally 3 When the a
52. spanning tree network into several regions Each region has several internal spanning trees which are independent of each other e MSTP provides a load balancing mechanism for the packets transmission in the VLAN e MSTP is compatible with both STP and RSTP gt MSTP Elements MST Region Multiple Spanning Tree Region An MST Region comprises switches with the same region configuration and VLAN to Instances mapping relationship IST Internal Spanning Tree An IST is a spanning tree in an MST CST Common Spanning Tree ACST is the spanning tree in a switched network that connects all MST regions in the network CIST Common and Internal Spanning Tree A CIST comprising IST and CST is the spanning tree in a switched network that connects all switches in the network 73 The following figure shows the network diagram in MSTP Figure 7 2 Basic MSTP diagram gt MSTP MSTP divides a network into several MST regions The CST is generated between these MST regions and multiple spanning trees can be generated in each MST region Each spanning tree is called an instance As well as STP MSTP uses BPDUs to generate spanning tree The only difference is that the BPDU for MSTP carries the MSTP configuration information on the switches gt Port States In an MSTP ports can be in the following four states e Forwarding In this status the port can receive forward data receive send BPDU packets as well as learn MAC address Le
53. subject to IEEE 802 1D standard is to disbranch a ring network in the Data Link layer in a local network Devices running STP discover loops in the network and block ports by exchanging information in that way a ring network can be disbranched to form a tree topological ring free network to prevent packets from being duplicated and forwarded endlessly in the network BPDU Bridge Protocol Data Unit is the protocol data that STP and RSTP use Enough information is carried in BPDU to ensure the spanning tree generation STP is to determine the topology of the network via transferring BPDUs between devices To implement spanning tree function the switches in the network transfer BPDUs between each other to exchange information and all the switches supporting STP receive and process the received BPDUs BPDUs carry the information that is needed for switches to figure out the spanning tree gt STP Elements Bridge ID Bridge Identifier Indicates the value of the priority and MAC address of the bridge Bridge ID can be configured and the switch with the lower bridge ID has the higher priority Root Bridge Indicates the switch has the lowest bridge ID Configure the best PC in the ring network as the root bridge to ensure best network performance and reliability Designated Bridge Indicates the switch has the lowest path cost from the switch to the root bridge in each network segment BPDUs are forwarded to the network segment through the d
54. the available bandwidth of each port In this way the network bandwidth can be reasonably distributed and utilized Choose the menu QoS gt Bandwidth Control Rate Limit to load the following page Rate Limit Config Select ONOOOOORDOOO000 Note Port b b b ma np FON DOO A U N Port Ingress Rate Kbps Egress Rate Kbps LAG 128 v 1024 Y LAG1 LAG1 LAG1 1 For one port you cannot enable the Storm Control and the Ingress rate control atthe same time 2 Ifyou select Manual to set Ingress Egress rate the system will automatically select integral multiple of 64Kbps that closest to the rate you entered as the real Ingress Egress rate Figure 9 11 Rate Limit 127 The following entries are displayed on this screen gt Rate Limit Config Port Select Select Port Ingress Rate bps Egress Rate bps LAG Anote Click the Select button to quick select the corresponding port based on the port number you entered Select the desired port for Rate configuration It is multi optional Displays the port number of the switch Configure the bandwith for receiving packets on the port You can select a rate from the dropdown list or select Manual to set Ingress rate the system will automatically select integral multiple of 64Kbps that closest to the rate you entered as the real Ingress rate Configure the bandwidth for sending packets on the port You can select a rate
55. the following two types Trap Trap is the information that the managed device initiatively sends to the Network management station without request Inform Inform packet is sent to inform the management station and ask for the reply The switch will resend the inform request if it doesn t get the response from the management station during the Timeout interval and it will terminate resending the inform request if the resending times reach the specified Retry times The Inform type employed on SNMPv2c and SNMPv3 has a higher security than the Trap type On this page you can configure the notification function of SNMP Choose the menu SNMP Notification Notification to load the following page Create Notification IP Mode O IPv4 IPv6 IP Address UDP Port 162 User Security Model v1 ba Security Level noAuthNoPriv Cl Type Trap v Retry 1 255 Timeout sec 1 3600 Notification Table Select IP Address IP Mode UDP Port User ae Security Level Type Timeout Retry Operation All Delete Help Figure 12 8 Notification Config The following entries are displayed on this screen gt Create Notification IP Mode Select the IP Mode IP Address Enter the IP Address of the management Host UDP Port Enter the number of the UDP port used to send notifications The UDP port functions with the IP address for the notification sending The default is 162 User Enter the User name of the management station Security Mod
56. the member ports of the static multicast group gt Static Multicast List Select Select the static multicast group you want to change VLAN ID Displays the VLAN ID Multicast IP Displays the multicast group IP address Member Ports Displays the member ports of the static multicast group 8 2 6 Querier Config In an IPv6 multicast network that runs MLD a Layer 3 multicast device works as an MLD querier to send out MLD queries and manage the multicast table But MLD is not supported by the devices in Layer 2 network MLD Snooping Querier can act as an MLD Router in Layer 2 network It can help to create and maintain multicast forwarding table on the switch with the Query messages it generates Choose the menu Multicast gt MLD Snooping Querier Config to load the following page Querier Config VLAN ID 1 4094 Maximum Response Time 10 sec 1 25 be Query Interval 25 sec 2 300 Query Source IP FES0 02FF FFFF FE00 0001 Format FE80 ABEC 12EA Querier List VLAN ID Select VLANID is Query Interval Query Source IP o Total Queriers 0 114 The following entries are displayed on this screen gt Querier Config VLAN ID Enter the VLAN ID which you want to start Querier Maximum Response Enter the value of Maximum Response Time field of Time the Query message Query Interval Enter the Query message interval time The Querier will send General Query Message wih this interval Query Source IP Ent
57. the physical differences of the devices Currently the most network management systems are based on SNMP SNMP is simply designed and convenient for use with no need of complex fulfillment procedures and too much network resources With SNMP function enabled network administrators can easily monitor the network performance detect the malfunctions and configure the network devices In the meantime they can locate faults promptly and implement the fault diagnosis capacity planning and report generating gt SNMP Management Frame SNMP management frame includes three network elements SNMP Management Station SNMP Agent and MIB Management Information Base SNMP Management Station SNMP Management Station is the workstation for running the SNMP client program providing a friendly management interface for the administrator to manage the most network devices conveniently SNMP Agent Agent is the server software operated on network devices with the responsibility of receiving and processing the request packets from SNMP Management Station In the meanwhile Agent will inform the SNMP Management Station of the events whenever the device status changes or the device encounters any abnormalities such as device reboot MIB MIB is the set of the managed objects MIB defines a few attributes of the managed objects including the names the access rights and the data types Every SNMP Agent has its own MIB The SNMP Management station can read wri
58. toolbar icon menu or menu item Symbols in this Guide Ignoring this type of note might result ina malfunction or damage to the device your device This format indicates important information that helps you make better use of Tips 1 3 Overview of This Guide Chapter Introduction Chapter 1 About This Guide Introduces the guide structure and conventions Chapter 2 Introduction Introduces the features application and appearance of TL SG2216 TL SG2424 TL SG2424P TL SG2452 switch Chapter Introduction Chapter 3 Login to the Switch Introduces how to log on to the Web management page Chapter 4 System This module is used to configure system properties of the switch Here mainly introduces e System Info Configure the description system time and network parameters of the switch User Management Configure the user name and password for users to log on to the Web management page with a certain access level System Tools Manage the configuration file of the switch Access Security Provide different security measures for the login to enhance the configuration management security Chapter 5 Switching This module is used to configure basic functions of the switch Here mainly introduces e Port Configure the basic features for the port e LAG Configure Link Aggregation Group LAG is to combine a number of ports together to make a single high bandwidth data path e Traffic Monitor Monitor the traffic of each p
59. type TLV Name Description Usage in LLDPDU End of LLDPDU Mark the end of the TLV sequence in LLDPDUs Mandatory Any information following an End Of LLDPDU TLV shall be ignored Chassis ID Identifies the Chassis address of the connected Mandatory device 2 Port ID Identifies the specific port that transmitted the Mandatory LLDP frame When the device does not advertise MED TLY this field displays the port name of the port when the device advertises MED TLV this field displays the MAC address of the port 3 Time To Live Indicates the number of seconds that the Mandatory neighbor device is to regard the local information to be valid Port Description Identifies the description string of the port Optional System Name Identifies the system name Optional System Identifies the system description Optional Description 7 System Identifies the main functions of the system and Optional Capabilities the functions enabled Management Identifies the management IP address the Optional Address corresponding interface number and OID Object Identifier The management IP address is specified by the user Organizationally Allows different organizations such as IEEE Optional Specific 802 1 IEEE 802 3 IETF as well as individual software and equipment vendors to define TLVs that advertise information to remote device Optional TLVs are grouped into two categories including basic management TLV and Organizationally specif
60. wireless LAN access points IP Phones IP cameras network hubs embedded computers etc gt Advantage o Cheap cabling The remote device such as cameras can be powered by PSE in no need of prolonging its power cord additionally and Ethernet cable is much cheaper than AC wire or power cord o Easy to connect PoE uses only one Ethernet cable with no need of external power supply o Reliable A powered device can be either powered by PSE using Ethernet cable or powered through the provided power adapter lt is very convenient to provide a backup power supply for the PDs o Flexibility In compliance with IEEE 802 3af and IEEE 802 3at global organizations can deploy PoE everywhere without concern for any local variance in AC power standards outlets plugs or reliability o Wide use It can be applied to wireless LAN access points IP Phones IP cameras network hubs embedded computers etc TL SG2424P is a Power Sourcing Equipment PSE All the Auto Negotiation RJ45 ports on the switch support Power over Ethernet PoE function which can automatically detect and supply power for those powered devices PDs complying wth IEEE 802 3af and IEEE 802 3at The maximum power TL SG2424P can supply is 180W and the maximum power each PoE port can supply is 30W PoE function can be configured in the two sections PoE Config and PoE Time Range 11 1 PoE Config All the RJ45 ports on the switch can be configured to supply power for the powered
61. you to Enable Disable refreshing the Traffic Summary automatically 52 Refresh Rate gt Traffic Summary Port Select Port Packets Rx Packets Tx Octets Rx Octets Tx Statistics Enter a value in seconds to specify the refresh interval Click the Select button to quick select the corresponding port based on the port number you entered Displays the port number Displays the number of packets received on the port The error packets are not counted in Displays the number of packets transmitted on the port Displays the number of octets received on the port The error octets are counted in Displays the number of octets transmitted on the port Click the Statistics button to view the detailed traffic statistics of the port 5 3 2 Traffic Statistics Traffic Statistics screen displays the detailed traffic information of each port which facilitates you to monitor the traffic and locate faults promptly Choose the menu Switching Traffic Monitor Traffic Statistics to load the following page Auto Refresh Auto Refresh O Enable Disable Refresh Rate sec 3 300 Statistics Port fi Received Sent Broadcast 0 Broadcast 0 Multicast 0 Multicast 0 Unicast 0 Unicast 0 Alignment Errors 0 Collisions 0 UndersizePkts 0 Pktsb4Octets 0 Pkts65to127Octets 0 Pkts128to255Octets 0 Pkts256to5110ctets 0 Pkts512to10230ctets 0 PktsOver10230ctets 0 Figure 5 12 Traffic Statistics The followi
62. z i Filtering Address Table Select MAC Address VLAN ID Port Type Aging Status al Total MAC Address O Note The maximum of the displayed entries is 100 by default please click the Search button to getthe complete address entries Figure 5 16 Filtering Address The following entries are displayed on this screen gt Create Filtering Address MAC Address Enter the MAC Address to be filtered VLAN ID Enter the corresponding VLAN ID of the MAC address Search Option Search Option Select a Search Option from the pull down list and click the Search button to find your desired entry in the Filtering Address Table e MAC Address Enter the MAC address of your desired entry e VLAN ID Enter the VLAN ID number of your desired entry Filtering Address Table Select Select the entry to delete the corresponding filtering address It is multi optional MAC Address Displays the filtering MAC Address VLAN ID Displays the corresponding VLAN ID Port Here the symbol indicates no specified port Type Displays the Type of the MAC address Aging Status Displays the Aging Status ofthe MAC address Anote The MAC address in the Filtering Address Table cannot be added to the Static Address Table or bound to a port dynamically 60 5 5 DHCP Filtering Nowadays the network is getting larger and more complicated The amount of the PCs always exceeds that of the assigned IP addresses The wreless networ
63. 4 Disable Disable Disable permit 256 O 5 Disable Disable Disable permit 256 O 6 Disable Disable Disable permit 256 O F Disable Disable Disable permit 256 E O 8 Disable Disable Disable permit 256 O 9 Disable Disable Disable permit 256 O 10 Disable Disable Disable permit 256 O 11 Disable Disable Disable permit 256 O 12 Disable Disable Disable permit 256 NM Note 1 The port filter configuration here has no effect on static multicast IP 2 Up to 15 IP Ranges can be bound to one port Please input the Bound IP Range ID in the format like 1 5 8 Figure 8 7 Port Config 99 The following entries are displayed on this screen gt Port Config Port Select Select Port IGMP Snooping Fast Leave Filter Action Mode Bound IP Range ID Max Groups LAG note Click the Select button to quick select the corresponding port based on the port number you entered Select the desired port for IGMP Snooping feature configuration It is multi optional Displays the port of the switch Select Enable Disable IGMP Snooping for the desired port Select Enable Disable Fast Leave feature for the desired port If Fast Leave is enabled for a port the switch will immediately remove this port from the multicast group upon receiving IGMP leave messages Select Enable Disable multicast filtering feature on the port Select the action mode to process multicast packets when the mul
64. AN you should firstly configure a VLAN as multicast VLAN and add the corresponding ports to the VLAN on the 802 1Q VLAN page If the multicast VLAN is enabled the multicast configuration for other VLANs on the VLAN Config page will be invalid that is the multicast streams will be transmitted only within the multicast VLAN Choose the menu Multicast IGMP Snooping Multicast VLAN to load the following page Multicast VLAN Multicast VLAN Enable Disable VLAN ID 2 4094 Router Port Time sec 60 600 recommended 300 Apply Member Port Time sec 60 600 recommended 260 Leave Time sec 1 30 recommended 1 Router Ports Format 1 3 6 8 Note 1 All IGMP packet will be processed in the Multicast VLAN after Multicast VLAN is created 2 The Multicast VLAN wont take effect unless you first complete the configuration on the VLAN Config page Figure 8 9 Multicast VLAN The following entries are displayed on this screen gt Multicast VLAN Multicast VLAN Select Enable Disable Multicast VLAN feature VLAN ID Enter the VLAN ID of the multicast VLAN Router Port Time Specify the aging time of the router port Within this time if the switch doesn t receive IGMP query message from the router port it will consider this port is not a router port any more Member Port Time Specify the aging time of the member port Within this time if the switch doesn t receive IGMP report message from t
65. D for TL SG2216 TL SG2424 TL SG2424P TL SG2452 including e This User Guide e CLI Reference Guide e SNMP Mibs e Other Helpful Information Mote Make sure that the package contains the above items If any of the listed items are damaged or missing please contact your distributor Chapter 1 About this Guide This User Guide contains information for setup and management of TL SG2216 TL SG2424 TL SG2424P TL SG2452 Gigabit Smart Switch Please read this guide carefully before operation 1 1 Intended Readers This Guide is intended for network managers familiar with IT concepts and network terminologies 1 2 Conventions In this Guide the following conventions are used gt The switch or TL SG2216 TL SG2424 TL SG2424P TL SG2452 mentioned in this Guide stands for TL SG2216 TL SG2424 TL SG2424P TL SG2452 Gigabit Smart Switch without any explanation Tips The TL SG2216 TL SG2424 TL SG2424P TL SG2452 switchs are sharing this User Guide They just differ in the number of LED indicators and ports For simplicity we will take TL SG2424 for example throughout this Guide However differences with significance will be presented with figures or notes as to attract your attention gt Menu Name gt Submenu Name gt Tab page indicates the menu structure System System Info gt System Summary means the System Summary page under the System Info menu option that is located under the System menu gt Bold font indicates a button a
66. LAN Optional On QoS Voice VLAN gt 0Ul Config page you can check whether the switch is supporting the OUI template or not If not please add the OUI address Required On QoS Voice VLAN gt Port Config page configure the parameters of the ports in voice VLAN EC 5 Enable Voice VLAN Required On QoS Voice VLAN gt Global Config page configure the global parameters of voice VLAN Return to CONTENTS 136 Chapter 10 ACL 10 1 ACL Config An ACL may contain a number of rules and each rule specifies a different package range Packets are matched in match order Once a rule is matched the switch processes the matched packets taking the operation specified in the rule without considering the other rules which can enhance the performance of the switch The ACL Config function can be implemented on ACL Summary ACL Create MAC ACL Standard IP ACL and Extend IP ACL pages 10 1 1 ACL Summary On this page you can view the currentACLs configured in the switch Choose the menu ACL ACL Config ACL Summary to load the following page Search Options Selecta ACL E de ACL Type Rule Order Rule Table Al Delete Help Figure 10 1 ACL Summary The following entries are displayed on this screen gt Search Option Select ACL Select the ACL you have created ACL Type Displays the type of the ACL you select Rule Order Displays the rule order of the ACL you select gt Rule Table Display t
67. MP v3 extremely enhances the security and manageability It adopts VACM View based Access Control Model and USM User Based Security Model authentication The user can configure the authentication and the encryption functions The authentication function is to limit the access of the illegal user by authenticating the senders of packets Meanwhile the encryption function is used to encrypt the packets transmitted between SNMP Management Station and SNMP Agent so as to prevent any information being stolen The multiple combinations of authentication function and encryption function can guarantee a more reliable communication between SNMP Management station and SNMP Agent gt MIB Introduction To uniquely identify the management objects of the device in SNMP messages SNMP adopts the hierarchical architecture to identify the managed objects It is like a tree and each tree node represents a managed object as shown in the following figure Thus the object can be identified with the unique path starting from the root and indicated by a string of numbers The number string is the Object Identifier of the managed object In the following figure the OID of the managed object B is 1 2 1 1 While the OID of the managed objectA is 1 2 1 1 5 Figure 12 2 Architecture of the MIB tree gt SNMP Configuration Outline 1 Create View The SNMP View is created for the SNMP Management Station to manage MIB objects The managed object uniquely identifie
68. Multicast IP Enter the end of the IP range gt Filter List Select Select the filter ID you want to change Filter ID Displays the filter ID number Start Multicast IP Displays the start of the IP range End Multicast IP Displays the end of the IP range note The max number of filter entries is 30 112 8 2 4 Port Config On this page you can configure MLD Snooping function with each single port Choose the menu Multicast gt MLD Snooping gt Port Config to load the following page Port Config Select Port Filter O O 1 Disable Fi 2 Disable O 3 Disable O 4 Disable O 5 Disable O 6 Disable O 7 Disable Fj 8 Disable O 9 Disable O 10 Disable Fj 11 Disable O 12 Disable Note Filter Mode Disable w Accept wi Accept Accept Accept Accept Accept Accept Accept Accept Accept Accept Accept Accept Pot Filter IDs Max Groups LAG 128 128 128 128 128 E 128 128 128 128 128 128 128 yl 1 The port filter configuration here has no effect on static Multicast IP 2 Up to 15 filters can be bound to one port Please input the bound filter ID in the format like 1 5 8 3 Ifthe Max Groups value is set less than the current value some groups may be deleted to satisfy the restriction The following entries are displayed on this screen gt Port Config Select Port Filter Filter Mode Filter IDs
69. N is enabled Configuration procedure IC o ooo Enable IGMP Snooping Required Enable IGMP Snooping globally on the switch function and for the port on Multicast IGM P Snooping Snooping Config and Port Config page Configure the multicast Optional Configure the multicast parameters for VLANs on parameters for VLANs Multicast IGMP Snooping VLAN Config page f a VLAN has no multicast parameters configuration it indicates the IGMP Snooping is not enabled in the VLAN thus the multicast data in the VLAN will be broadcasted 8 1 3 Port Config On this page you can configure the IGMP feature for ports of the switch When the switch receives IGMP report message it examines the multicast filtering IP ID configured on the access port to determine if the port can join the multicast group If the multicast IP is not filtered the switch will add the port to the forward port list of the multicast group Otherwise the switch will drop the IGMP report message In that way you can control the multicast groups that users can access Choose the menu Multicast IGMP Snooping gt Port Config to load the following page Port Config Port Select Port IGMP Snooping FastLeave Filter Action Mode Bound IP Range ID Max Groups LAG O Disable Disable vw Disable v Permit v Wa O 1 Disable Disable Disable permit 256 2 O 2 Disable Disable Disable permit 256 O 3 Disable Disable Disable permit 256 O
70. N tagged By default it is 0x8100 in this switch 2 Priority Priority is a 3 bit field referring to 802 1p priority Refer to section QoS 8 QoS profile for details 3 CFI CFI is a 1 bit field indicating whether the MAC address is encapsulated in the standard format in different transmission media This field is not described in detail in this chapter 4 VLAN ID VLAN ID is a 12 bit field indicating the ID of the VLAN to which this packet belongs It is in the range of 0 to 4 095 Generally 0 and 4 095 is not used so the field is in the range of 1 to 4 094 VLAN ID identifies the VLAN to which a packet belongs When the switch receives an un VLAN tagged packet it will encapsulate a VLAN tag with the default VLAN ID of the inbound port for the packet and the packet will be assigned to the default VLAN of the inbound port for transmission In this User Guide the tagged packet refers to the packet with VLAN tag whereas the untagged packet refers to the packet without VLAN tag and the priority tagged packet refers to the packet with VLAN tag whose VLAN ID is 0 gt Link Types of ports When creating the 802 1Q VLAN you should set the link type for the port according to its connected device The link types of port including the following two types Untagged and Tagged 1 Untagged The untagged port can be added in multiple VLANs If a VLAN tagged packet arrives at a port and the VLAN ID in its VLAN tag does not match a
71. P address Allows the administrator to bind the static IP address to a specific client e g WWW Server via the DHCP server 2 Automatically assign the IP address DHCP server assigns the IP address without an expiry time limitation to the clients 3 Dynamically assign the IP address DHCP server assigns the IP address with an expiry time When the time for the IP address expired the client should apply for a new one Most clients obtain IP addresses dynamically which is illustrated in the following figure 1 2 3 4 gt DHCP Client DHCP Server 1 DHCP DISCOVER 2 DHCP OFFER 3 DHCP REQUEST 4 DHCP ACK Figure 5 18 Interaction between a DHCP client and a DHCP server DHCP DISCOVER Stage The Client broadcasts the DHCP DISCOVER packet to find the DHCP server DHCP OFFER Stage Upon receiving the DHCP DISCOVER packet the DHCP server selects an IP address from the IP pool according to the assigning priority of the IP addresses and replies to the client wth DHCP OFFER packet carrying the IP address and other information DHCP REQUEST Stage In the situation that there are several DHCP servers sending the DHCP OFFER packets the client will only respond to the first received DHCP OFFER packet and broadcast the DHCP REQUEST packet which includes the assigned IP address of the DHCP OFFER packet DHCP ACK Stage Since the DHCP REQUEST packet is broadcasted all DHCP servers on the net
72. P priority the packets with tag are mapped to The priorities are labeled as CoSO CoS7 Configuration Procedure ECN CC Configure the mapping Required On QoS DiffServ DSCP Priority page relation between the DSCP enable DSCP Priority and configure the mapping priority and 802 1P priority relation between the DSCP priority and CoS Configure the mapping Required On QoS DiffServ 802 1P CoS mapping relation between the CoS and page configure the mapping relation between the CoS the TC and the TC 3 Select a schedule mode Required On QoS DiffServ Schedule Mode page select a schedule mode For TL SG2452 DSCP Priority Config DSCP Priority Enable Disable Apply Priority Level DSCP K Priority Level v DSCP Priority Level DSCP Priority Level 0 TCO 1 TCO 2 TCO 3 TCO 4 TCO 5 TCO 6 TCO 7 TCO 8 TCO 9 TCO 10 TCO 11 TCO 12 TCO 13 TCO 14 TCO 15 TCO 16 TC1 17 TC1 18 TC1 19 TC1 Apply note Among the priority levels TCO TC1 TC3 the bigger value the higher priority Figure 9 8 DSCP Priority for TL SG2452 The following entries are displayed on this screen gt DSCP Priority Config DSCP Priority Select Enable or Disable DSCP Priority 124 gt Priority Level DSCP Indicates the priority determined by the DS region of IP datagram It ranges from0 to 63 Priority Level Indicates the 802 1P priority the packets with tag are mapped to The priorities are labeled as TCO TC3
73. P transceiver slots that are shared with the associated RJ45 ports The associated two ports are referred to as combo ports which means they cannot be used simultaneously otherwise only SFP ports work TL SG2452 features 4 individual SFP ports Mote The SFP port can only be used with a gigabit module gt LEDs For TL SG2216 TL SG2424 Name status Indication On Power is on Power Power supply is abnormal Off Power is off or power supply is abnormal on The switch is working abnormally System The switch is working normally Off The switch is working abnormally On A 1000Mbps device is connected to the corresponding port 1000Mbps off A 10 100Mbps device or no device is connected to the corresponding port On A device is connected to the corresponding port but no activity Link Act Flashing Data is being transmitted or received Off No device is connected to the corresponding port For TL SG2424P TL SG2424P has a LED mode switch button which is for switching the LED status indication When the Speed LED is on the port LED is indicating the data transmission rate When the PoE LED is on the port LED is indicating the power supply status By default the Speed LED is on Pressing the mode switch button the Speed LED will turn off and the PoE LED will light up Then the PoE LED will turn off after being on for 60 seconds and the Speed LED will light up again When the Speed LED is on the port LED i
74. Q VLAN On Spanning Tree gt STP Config STP Config page enable STP function and select MSTP version Enable STP function Configure the region name and the revision of MST region Configure VLAN to Instance mapping table of the MST region On Spanning Tree STP Config Port Config page enable MSTP function for the port On Spanning Tree gt MSTP Instance Region Config page configure the region as TP LINK and keep the default revision setting On Spanning Tree gt MSTP Instance gt Instance Config page configure VLAN to Instance mapping table Map VLAN101 103 and 105 to Instance 1 map VLAN102 104 and 106 to Instance 2 e The configuration procedure for switch E and F is the same with that for switch D gt The topology diagram of the two instances after the topology is stable e For Instance 1 VLAN101 103 and 105 the red paths in the following figure are connected links the gray paths are the blocked links Switch A Switch D vanaf Switch C Switch E Switch F e For Instance 2 VLAN102 104 and 106 the blue paths in the following figure are connected links the gray paths are the blocked links 89 Switch A Switch D Switch E Switch F gt Suggestion for Configuration e Enable TC Protect function for all the ports of switches e Enable Root Protect function for all the ports of root bridges e Enable Loop Protect function for the non edge ports Enable BPDU Prote
75. Queries MASQs and are sent out from the MLD router MLD Reports When a host wants to join a multicast group or responds to the MLD queries it will send out an MLD report MLD Done Messages When a host wants to leave a multicast group it will send out an MLD Done message to inform the IPv6 multicast routers of its leave 2 Relevant Ports of the Switch Router Port Indicates the switch port that links toward the MLD router Member Port Indicates the switch port that links toward the multicast members 3 Timers Router Port Aging Time Within this time if the switch does not receive MLD queries from the router port it will delete this port from the router port list The default value is 260 seconds Member Port Aging Time Within this time if the switch does not receive MLD reports from the member port it will delete this port from the MLD multicast group The default value is 260 seconds General Query Interval The interval between the multicast router sends out general queries Last Listener Query Interval The interval between the switch sends out MASQs Last Listener Query Count The number of MASQs that the switch sends before aging out a multicast address when there is no MLD report response 107 gt MLD Snooping Process 1 General Query The MLD router regularly sends MLD general queries to query if the multicast groups contain any members When receiving MLD general queries the switch will forward them to all othe
76. S mapping Config Tag id Cos id Indicates the precedence level defined by IEEE802 1P and the CoS ID Queue TC id Indicates the priority level of egress queue the packets with tag and CoS id are mapped to The priority levels of egress queue are labeled as TCO TC1 TC2 and TC3 Mdote For TL SG2216 TL SG2424 TL SG2424P the 802 1P priority function is enabled by default and cannot be set as disabled Configuration Procedure Configure the mapping Required On QoS DiffServ gt 802 1P CoS mapping relation between the 802 1P page configure the mapping relation between the priority Tag CoS and the TC 802 1P priority Tag CoS and the TC Select a schedule mode Required On QoS DiffServ Schedule Mode page select a schedule mode 9 1 4 Schedule Mode On this page you can select a schedule mode for the switch When the network is congested the problem that many packets compete for resources must be solved usually in the way of queue scheduling The switch will control the forwarding sequence of the packets according to the priority queues and scheduling algorithms you set On this switch the priority levels are labeled as TCO TC1 TC3 Choose the menu QoS DiffServ Schedule Mode to load the following page Schedule Mode Config Schedule Mode Equ Mode Oo wN Figure 9 10 Schedule Mode The following entries are displayed on this screen gt Schedule Mode Config SP Mode Strict Priority Mode In t
77. This device may not cause harmful interference 2 This device must accept any interference received including interference that may cause undesired operation Any changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment CE Mark Warning CE This is a class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures E MpoaykT ceptucpikoBaHo 3rigHo c npasnnamn cucremu YKpCEMPO Ha BIgnoBIGHICTe BuMoram HOpMaTNBHNX AOKyMeHTiB Ta BUMOraM WO nepeg6ayeHi UNHHUMU 3AKOHOAABYNMN akTamu Y kpalHn HL Safety Information e When product has power button the power button is one of the way to shut off the product When there is no power button the only way to completely shut off power is to disconnect the product or the power adapter from the power source e Don t disassemble the product or make repairs yourself You run the risk of electric shock and voiding the limited warranty If you need service please contact us Avoid water and wet locations This product can be used in the following countries CONTENTS Package Content iii ia A sated cee ees notes oa De cence asec vig ad ce 1 Chapter 1 Aboutthis Guides gesa aeei id aE EEA dd adi 2 1 1 Intended Rea So ii a A De aida 2 12 CONVENTIONS di 2 1 3 Overview of This GUIAS ocococcccccncccnc
78. VLAN to different instances appropriate to your needs Every instance is a VLAN group independent of other instances and CIST Choose the menu Spanning Tree M STP Instance gt Instance Config to load the following page Instance Table Select Instance Status O O 1 Disable O 2 Disable O 3 Disable O 4 Disable O 5 Disable O 6 Disable O 7 Disable O 8 Disable CIST Enable VLAN Instance Mapping Instance ID Priority VLAN ID 32768 32768 32768 32768 32768 32768 32768 32768 32768 1 4094 VLAN ID 1 4094 Instance ID 0 8 0 is the cist Note The format of input VLAN ID should be like 1 3 4 7 11 30 in the range from 1 to 4094 Figure 7 8 Instance Config 80 Clear Clear Clear Clear Clear Clear Clear Clear The following entries are displayed on this screen gt Instance Table Instance ID Select Select Instance Status Priority VLAN ID Clear Click the Select button to quick select the corresponding Instance ID based on the ID number you entered Select the desired Instance ID for configuration It is multi optional Displays Instance ID of the switch Displays status of the instance Enter the priority of the switch in the instance It is an important criterion on determining if the switch will be chosen as the root bridge in the specific instance Enter the VLAN ID which belongs to the corresponding instance ID After modification here
79. after one of them leave this group Displays the static router ports of this VLAN 111 Dynamic Router Displays the dynamic router ports of this VLAN Ports Anore 1 The MLD snooping function in a VLAN will take effect when global MLD Snooping function is enabled in 8 2 1 Global Config and the VLAN is created in Chapter 6 VLAN 2 When the router port aging time or member port aging time is set for a VLAN this value overrides the value configured globally in 8 2 1 Global Config 8 2 3 Filter Config When the switch receives MLD report messages it examines the multicast filtering ID and filter mode configured on the access port to determine if the port can join the multicast group If the port can join the multicast group the switch will add the port to the forward ports list of the multicast group Otherwise the switch will drop the MLD report messages In that way you can control the multicast groups that users can join in Choose the menu Multicast gt MLD Snooping Filter Config to load the following page Filter Config Filter ID 1 30 Start Multicast IP Format FF03 AD45 3444 End MulticastiP Format FF03 AD45 5432 Filter List FilteriD Select Filter ID Start Multicast IP End Multicast IP O Total Filters 0 The following entries are displayed on this screen gt Filter Config Filter ID Enter the Filter ID which identifies the filter Start Multicast IP Enter the start of the IP range End
80. agement between LLDP MED Endpoint and Network Connectivity Devices and it allows advertisement of fine grained power requirement details Endpoint power priority as well as both Endpoint and Network Connectivity Device power status Inventory TLV The Inventory TLV set contains seven basic Inventory management TLVs that is Hardware Revision TLV Firmware Revision TLV Software Revision TLV Serial Number TLV Manufacturer Name TLV Model Name TLV and Asset ID TLV If support for any of the TLVs in the Inventory Management set is implemented then support for all Inventory Management TLVs shall be implemented LLDP MED is configured on the Global Config Port Config Local Info and Neighbor Info pages 13 4 1 Global Config On this page you can configure the LLDP MED parameters of the device globally Choose the menu LLDP LLDP MED gt Global Config to load the following page LLDP MED Parameters Config Fast Start Count 14 1 10 Apply Device Class Network Connectivity Figure 13 6 LLDP MED Global Configuration The following entries are displayed on this screen gt LLDP MED Parameters Config Fast Start Count When LLDP MED fast start mechanism is activated multiple LLDP MED frames will be transmitted based on this parameter Device Class LLDP MED devices are comprised of two primary device types Network Connectivity Devices and Endpoint Devices In turn Endpoint Devices are composed of three defined Classes Class
81. ain access level so as to protect the settings of the switch from being randomly changed The User Management function can be implemented on User Table and User Config pages 4 2 1 User Table On this page you can view the information about the current users of the switch Choose the menu System User Management User Table to load the following page User Table UserID User Name 1 admin 4 2 2 User Config Access Level Admin Figure 4 11 User Table On this page you can configure the access level of the user to log on to the Web management page The switch provides two access levels Guest and Admin The guest only can view the settings without the right to configure the switch the admin can configure all the functions of the switch The Web management pages contained in this guide are subject to the admin s login without any explanation 27 Choose the menu System User Management User Config to load the following page User Info User Name Access Level Password Confirm Password User Table Select User ID O 1 Note Guest v User Name Access Level Operation admin Admin Edit The user name should not be more than 16 characters using digits English letters and underlines only and password should not be more than 31 characters Figure 4 12 User Config The following entries are displayed on this screen gt User Info User Name Access Level User Status Password
82. als 1 Ports Router Port Indicates the switch port directly connected to the multicast router Member Port Indicates a switch port connected to a multicast group member 2 Timers Router Port Time Within the time if the switch does not receive IGMP query message from the router port it will consider this port is not a router port any more The default value is 300 seconds Member Port Time Within the time if the switch does not receive IGMP report message from the member port it will consider this port is not a member port any more The default value is 260 seconds Leave Time Indicates the interval between the switch receiving a leave message from a host and the switch removing the host from the multicast groups The default value is 1 second 96 The IGMP Snooping function can be implemented on the following pages Snooping Config VLAN Config Port Config IP Range Multicast VLAN Static Multicast IP and Packet Statistics 8 1 1 Snooping Config To configure the IGMP Snooping on the switch please firstly configure IGMP global configuration and related parameters on this page If the multicast address of the received multicast data is not in the multicast address table the switch will broadcast the data in the VLAN When Unknown Multicast Discard feature is enabled the switch drops the received unknown multicast so as to save the bandwidth and enhance the process efficiency of the system Please configure this feature appro
83. and multiple powerful functions with high security The ElA standardized framework and smart configuration capacity can provide flexible solutions for a variable scale of networks QoS and IGMP MLD snooping filtering optimize voice and video application Link aggregation LACP increase aggregated bandwidth optimizing the transport of business critical data SNMP SNMPv6 RMON WEB CLI Telnet Log in bring abundant management policies TL SG2216 TL SG2424 TL SG2424P TL SG2452 switch integrates multiple functions with excellent performance and is friendly to manage which can fully meet the need of the users demanding higher networking performance 2 2 Main Features e Resiliency and Availability IEEE 802 1s Multiple Spanning Tree provides high link availability in multiple VLAN environments IGMP snooping and MLD snooping automatically prevents flooding of IP multicast traffic Root Guard protects root bridge from malicious attack or configuration mistakes e Layer 2 Switching Supports up to 512 VLANs simultaneously out of 4K VLAN IDs e Quality of Service Supports L2 L3 granular CoS with 4 priority queues per port Rate limiting confines the traffic flow accurately according to the preset value e Manageability Supports Telnet SNMP v1 v2c v3 RMON and web access Port Mirroring enables monitoring selected ingress egress traffic Simple Network and Management Protocol SNMP can be configured over IPv6 transport IPv6 su
84. arning In this status the port can receive send BPDU packets and learn MAC address Blocking In this status the port can only receive BPDU packets Disconnected In this status the portis not participating in the STP gt PortRoles In an MSTP the following roles exist e Root Port Indicates the port that has the lowest path cost from this bridge to the Root Bridge and forwards packets to the root e Designated Port Indicates the port that forwards packets to a downstream network segment or switch Master Port Indicates the port that connects a MST region to the common root The path from the master port to the common root is the shortest path between this MST region and the common root Alternate Port Indicates the port that can be a backup port of a root or master port Backup Port Indicates the port that is the backup port of a designated port e Disabled Indicates the port that is not participating in the STP 74 The following diagram shows the different port roles Connect to the root bridge Region edge port port 1 2 Master port port 1 Alternate port port 2 Designated port port 3 5 Backup port port 6 Figure 7 3 Port roles The Spanning Tree module is mainly for spanning tree configuration of the switch including four submenus STP Config Port Config MSTP Instance and STP Security 7 1 STP Config The STP Config function for global configuration of spanning trees on the switch can be implement
85. bal address Global Address When selecting the mode of EUI 64 please input the address prefix here otherwise please input an intact IPv6 address here Global address Table Select Select the desired entry to delete or modify the corresponding global address Global Address Modify the global address Prefix Length Modify the prefix length of the global address 26 Type Displays the configuration mode of the global address e Manual Indicates that the corresponding address is configured manually e Auto Indicates that the corresponding address is created automatically using the RA message or obtained from the DHCPv6 Server Preferred Displays the preferred time and valid time of the global address Life time Valid Lifetime Status Displays the status of the global address e Normal Indicates that the global address is normal e Try Indicates that the global address may be newy configured e Repeat Indicates that the corresponding address is duplicate It is illegal to access the switch using this address E7 Tips After adding a global IPv6 address to your switch manually here you can configure your PC s global IPv6 address in the same subnet with the switch and login to the switch via its global IPv6 address For the detailed instructions please refer to Appendix B 4 2 User Management User Management functions to configure the user name and password for users to log on to the Web management page with a cert
86. based on which the received multicast packets are forwarded in the VLAN owning the receiving port The multicast address table is not mapped to an egress port but a group port list When forwarding a multicast packet the switch looks up the multicast address table based on the destination multicast address of the multicast packet If the corresponding entry cannot be found in the table the switch will broadcast the packet in the VLAN owning the receiving port If the corresponding entry can be found in the table it indicates that the destination address should be a group port list so the switch will deliver this multicast data to each port The general format of the multicast address table is described as Figure 8 4 below VLAN ID Figure 8 4 Multicast Address Table gt IGMP Snooping In the network the hosts apply to the near router for joining leaving a multicast group by sending IGMP Internet Group Management Protocol messages When the up stream device forwards down the multicast data the switch is responsible for sending them to the hosts IGMP Snooping is a multicast control mechanism which can be used on the switch for dynamic registration of the multicast group The switch running IGMP Snooping manages and controls the multicast group via listening to and processing the IGMP messages transmitted between the hosts and the multicast router thereby effectively prevents multicast groups being broadcasted in the network gt MLD Snoo
87. ble Multicast IP VLAN ID Forward Port Type Total Multicast IP 0 The following entries are displayed on this screen gt Search Option Multicast IP Enter the multicast IP address the desired entry must carry VLAN ID Enter the VLAN ID the desired entry must carry Port Select the port number the desired entry must carry Type Select the type the desired entry must carry e All Displays all multicast IP entries e Static Displays all static multicast IP entries Dynamic Displays all dynamic multicast IP entries gt Multicast IP Table Multicast IP Displays multicast IP address VLAN ID Displays the VLAN ID of the multicast group Forward Port Displays the forward port of the multicast group Type Displays the type of the multicast IP 117 8 3 2 IPv6 Multicast Table This page displays the multicast groups which already on the switch Choose the menu Multicast gt Multicast Table IPv6 Multicast Table to load the following page Search Option C Multicast IP Format FF03 AD45 3444 O VLAN ID 1 4094 O Port O Type All Static Dynamic Multicast IP Table Multicast IP VLAN ID Forward Ports Type Total Multicast IP 0 The following entries are displayed on this screen gt Search Option Multicast IP Enter the multicast IP address the desired entry must carry VLAN ID Enter the VLAN ID the desired entry must carry Port Select the port number the desired entry must carry Type S
88. ble Low Class 4 No Limit _ a m OFF 8 Enable Low Class 4 No Limit _ OFF 9 Enable Low Class 4 No Limit _ z gt OFF 10 Enable Low Class 4 No Limit _ ES m OFF im 11 Enable Low Class 4 No Limit OFF 12 Enable Low Class 4 No Limit _ lt OFF 13 Enable Low Class 4 No Limit _ OFF 14 Enable Low Class 4 No Limit OFF 15 Enable Low Class 4 No Lirnit _ _ e bx OFF x Figure 11 1 PoE Config for TL SG2424P The following items are displayed on this screen gt Global Config System Power Limit System Power Consumption System Power Remain Port Config Port Select Select Port PoE Status PoE Priority Specify the max power the PoE switch can supply Displays the PoE switch s real time system power consumption Displays the PoE switch s real time remaining system power Click the Select button to quick select the corresponding entry based on the port number you entered Select the desired port to configure its parameters Displays the port number Select to disable enable the PoE feature for the corresponding port If set enable the corresponding port can supply power to the linked PD Powered Device The priority levels include High Middle and Low in descending order When the supply power exceeds the system power limit the PD linked to the port with lower priority will be disconnected 148 Power Limit Def
89. c based on MAC addresses Link Aggregation See Port Trunk Management Information Base MIB An acronym for Management Information Base It is a set of database objects that contains information about a specific device MD5 Message Digest Algorithm An algorithm that is used to create digital signatures It is intended for use with 32 bit machines and is safer than the MD4 algorithm which has been broken MD5 is a one way hash function meaning that it takes a message and converts it into a fixed string of digits also called a message digest Network Time Protocol NTP NTP provides the mechanisms to synchronize time across the network The time servers operate in a hierarchical master slave configuration in order to synchronize local clocks within the subnet and to national time standards via wire or radio Port Mirroring A method whereby data on a target port is mirrored to a monitor port for troubleshooting with a logic analyzer or RMON probe This allows data on the target port to be studied unobstructively Port Trunk Defines a network link aggregation and trunking method which specifies how to create a single high speed logical link that combines several lower speed physical links 198 Remote Authentication Dial in User Service RADIUS RADIUS is a logon authentication protocol that uses software running on a central server to control access to RADIUS compliant devices on the network Remote Monitoring RMON RMON provides
90. cal device Displays the number of neighbors dropped by local device Displays the number of overtime neighbors in local device 176 gt Neighbor Statistics Port Select Click the Select button to quick select the corresponding port based on the port number you entered Port Displays local device s port number Transmit Total Displays the number of LLDPDUs sent by this port Receive Total Displays the number of LLDPDUs received by this port Discards Displays the number of LLDPDUs discarded by this port Errors Displays the number of error LLDPDUs received by this port Ageouts Displays the number of overtime neighbors linking to this port TLV Discards Displays the number of TLVs dropped by this port TLV Unknowns Displays the number of unknown TLVSs received by this port 13 4 LLDP MED LLDP MED is an extension of LLDP intended for managing endpoint devices such as Voice over IP phones and network switches The LLDP MED TLVs advertise information such as network policy power via MDI inventory management and device location details gt Elements LLDP MED Device Refers to any device which implements this Standard LLDP MED Device Type LLDP MED devices are comprised of two primary device types Network Connectivity Devices and Endpoint Devices Network Connectivity Device Refers to an LLDP MED Device that provides access to the IEEE 802 based LAN infrastructure for LLDP MED Endpoint Devices Bridge is a Network Conne
91. ccncnnncnnnnnnnnnnnnnnnnnnnnnnnnnonononnnnnnnnnnnnnnnnnnnnnnnnnicncnos 2 Chapter 2 IntroduUCtON 00idicai a ad ns 6 2 1 Overview of the SwitCh cococicicicicococococococonononononononononnnnnnnnnnnnnnnonononononononononeninininines 6 2 2 MaIniF atures ii Muni pein saudades 6 2 3 Appearance Description ccccececcceeceeeeececeee ene eeeeeeeeseeeaaaaeeeeeeeasaegaaaeeeeeeseaaaaaaaa ees 7 2 3 1 Front Panel vances ceviche ers edt a ac a a Asa 7 2 3 2 Rear Panels ra iraa a ein eee ae ee 10 Chapter 3 Login to the Switch 0 2 ccc ccc cccccccccccececeeeeeeeeeeeeeeeeeeeeeeeeeeeeececeeeeeseeeeeeeeeeeeeeeseeeeeeeseneess 11 3 1 DEO GI gsr re E T a di adas 11 3 2 CONTIGUA ON ii Aine ede AE Aeneas neat Mate 12 Chapter 4 SysteMiinnsi i 13 AA SEM O A reed tect keer yaad ecaen Mend ont R 13 4 1 1 System SUMIMALY eet eevee meetin e be 13 4 1 2 Device Descriptio srta 15 4 13 System Time kariri e a aE e AE a aa N Ea Si 15 4 14 Daylight Saving Time ooooccccccnnncccnnncnnnnnnnnnnnnnnonnnnnnnonnnnnnnnnonnnnnnnnnnonenininininins 16 AI SYStSMiIP eset tes e ia 17 AAG System IPVO aeeie NON 19 42 User Manageme ntl ii nd A era tee ESAERA EN hades aetna 27 4 2 1 User Table iio 27 4 2 2 Y A O O 27 4 37 A OS 29 4 3 1 Config REStO vecina de inde 29 4 3 2 Config BACKUP aisnean ii tetaac s 29 4 3 3 Firmware Upgrade lia ds di 30 4 3 4 SystemRebO0t cooccccccccccncononononononononnnonnnnnnnnnnnnnnononnnnnnnnnnnn
92. ct a schedule mode 9 1 2 DSCP Priority On this page you can configure DSCP priority DSCP DiffServ Code Point is a new definition to IP ToS field given by IEEE This field is used to divide IP datagram into 64 priorities When DSCP Priority is enabled IP datagram are mapped to different priority levels based on DSCP priority mode non IP datagram with 802 10 tag are mapped to different priority levels based on 802 1P priority mode if 8021 1P Priority mode is enabled the untagged non IP datagram are mapped based on port priority mode Choose the menu QoS DiffSe rv DSCP Priority to load the following page For TL SG2216 TL SG2424 TL SG2424P DSCP Priority Config DSCP Priority Enable Disable Apply Priority Level DSCP a Priority a DSCP Priority DSCP Priority 0 coso 1 coso A 2 coso 3 coso 4 coso 5 Coso 4 6 coso 7 coso 8 Cos1 g cost 10 Cos1 11 Cos1 12 Cos1 13 Cos1 14 Cos1 15 Cos1 16 Cos2 17 Cos2 18 Cos2 19 Cos2 v Apply note Ifthe DSCP mapped to priority is selected IP datagram will be mapped to different priority levels based on the mapping relation between the CoS and TC in 802 1P Figure 9 7 DSCP Priority The following entries are displayed on this screen gt DSCP Priority Config DSCP Priority Select Enable or Disable DSCP Priority 123 gt Priority Level DSCP Indicates the priority determined by the DS region of IP datagram It ranges from0 to 63 Priority Level Indicates the 802 1
93. ct function or BPDU Filter function for the edge ports which are connected to the PC and server Return to CONTENTS 90 Chapter 8 Multicast gt Multicast Overview In the network packets are sent in three modes unicast broadcast and multicast In unicast the source server sends separate copy information to each receiver When a large number of users require this information the server must send many pieces of information with the same content to the users Therefore large bandwidth will be occupied In broadcast the system transmits information to all users in a network Any user in the network can receive the information no matter the information is needed or not Point to multipoint multimedia business such as video conferences and VoD video on demand plays an important part in the information transmission field Suppose a point to multi point service is required unicast is suitable for networks with sparsely users whereas broadcast is suitable for networks with densely distributed users When the number of users requiring this information is not certain unicast and broadcast deliver a low efficiency Multicast solves this problem It can deliver a high efficiency to send data in the point to multi point service which can save large bandwidth and reduce the network load In multicast the packets are transmitted in the following way as shown in Figure 8 1 Multicast Source Multicast Streams E
94. ctivity Device Endpoint Device Refers to an LLDP MED Device at the network edge providing some aspects of IP communications service based on IEEE 802 LAN technology Endpoint Devices may be a member of any of the Endpoint Device Classes Endpoint Devices are composed of three defined Classes Class Class Il and Class Ill Generic Endpoint Device Class I The most basic class of Endpoint Device Media Endpoint Device Class Il The class of Endpoint Device that supports media stream capabilities Communication Device Endpoint Class Ill The class of Endpoint Device that directly supports end users of the IP communication system Network Policy TLV The Network Policy TLV allows both Network Connectivity Devices and Endpoints to advertise VLAN configuration and associated Layer 2 and Layer 3 attributes that apply for a set of specific applications on that port 177 Location Identification TLV The Location Identification TLV provides for advertisement of location identifier information to Communication Endpoint Devices based on configuration of the Network Connectivity Device it s connected to You can set the Location Identification content in Location Identification Parameters If Location Identification TLV is included and Location Identification Parameters isn t set a default value is used in Location Identification TLV Extended Power Via MDI TLV The Extended Power Via MDI TLV is intended to enable advanced power man
95. d by OID can be set to under or out of the management of SNMP Management Station by configuring its view type included excluded The OID of managed object can be found on the SNMP client program running on the SNMP Management Station 2 Create SNMP Group After creating the SNMP View it s required to create a SNMP Group The Group Name Security Model and Security Level compose the identifier of the SNMP Group The Groups with these three items the same are considered to be the same You can configure SNMP Group to control the network access by providing the users in various groups wih different management rights via the Read View Write View and Notify View 154 3 Create SNMP User The User configured in a SNMP Group can manage the switch via the client program on management station The specified User Name and the Auth Privacy Password are used for SNMP Management Station to access the SNMP Agent functioning as the password SNMP module is used to configure the SNMP function of the switch including three submenus SNMP Config Notification and RMON 12 1 SNMP Config The SNMP Config can be implemented on the Global Config SNMP View SNMP Group SNMP User and SNMP Community pages 12 1 1 Global Config To enable SNMP function please configure the SNMP function globally on this page Choose the menu SNMP gt SNMP Config Global Config to load the following page Global Config SNMP Enable Disable Apply Local Engi
96. d the report message via the router port in the VLAN as well as analyze the message to get the address of the multicast group the host applies for joining The receiving port will be processed if the receiving port is anew member port it will be added to the multicast address table with its member port time specified if the receiving port is already a member port its member port time will be directly reset 3 IGMP Leave Message The host running IGMPv1 does not send IGMP leave message when leaving a multicast group as a result the switch cannot get the leave information of the host momentarily However after leaving the multicast group the host does not send IGMP report message any more so the switch will remove the port from the corresponding multicast address table when its member port time times out The host running IGMPv2 or IGMPv3 sends IGMP leave message when leaving a multicast group to inform the multicast router of its leaving When receiving IGMP leave message the switch will forward IGMP group specific query message to check if other members in the multicast group of the port need this multicast and reset the member port time to the leave time When the leave time times out the switch will remove the port from the corresponding multicast group If no other member is in the group after the port is removed the switch will send IGMP leave message to the router and remove the whole multicast group gt IGMP Snooping Fundament
97. ddress Resolution Protocol ARP message Internet Control Message Protocol version 4 ICMPv4 router discovery message and ICMPv4 redirection message to provide a series of other functions gt Introduction to IPv6 address 1 IPv6 address format An IPv6 address is represented as a series of 16 bit hexadecimals separated by colons An IPv6 address is divided into eight groups and the 16 bits of each group are represented by four hexadecimal numbers which are separated by colons for example 2001 0d02 0000 0000 0014 0000 0000 0095 The hexadecimal letters in IPv6 addresses are not case sensitive To simplify the representation of IPv6 addresses zeros in IPv6 addresses can be handled as follows e Leading zeros in each group can be removed For example the above mentioned address can be represented in shorter format as 2001 d02 0 0 14 0 0 95 e Two colons may be used to compress successive hexadecimal fields of zeros at the beginning middle or end of an IPv6 address For example the above mentioned address can be represented in the shortest format as 2001 d02 14 0 0 95 Adore Two colons can be used only once in an IPv6 address usually to represent the longest successive hexadecimal fields of zeros If two colons are used more than once the device is unable to determine how many zeros double colons represent when converting them to zeros to restore a 128 bit IPv6 address An IPv6 address consists of two parts
98. de for packet switched communications It uses IP as the underlying transport mechanism to provide access to IP like services UDP packets are delivered just like IP packets connection less datagrams that may be discarded before reaching their targets UDP is useful when TCP would be too complex too slow or just unnecessary Virtual LAN VLAN A Virtual LAN is a collection of network nodes that share the same collision domain regardless of their physical location or connection point in the network A VLAN serves as a logical workgroup with no physical barriers and allows users to share information and resources as though located on the same LAN Return to CONTENTS 199
99. detaectaeseeetengoesens 178 13 4 2 PORE CONTO k och seceebseaesdegdedtatbed seven aa a raa a ae Ar leales 179 134 3 Localia A a Vera E bad fia 180 13 4 4 Neighbor MiO ieie arasan cede caedacepsdeccevaegecsevesdancepadaccnenedecseQoaneaceenedeeead 181 Chapter 14 Maintenance ccccccecccecceceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeesereeeeerereeeneneress 183 14 1 System MONON reiner eaea aE sly cecats AEEA EAEE Eaa a ia 183 OS a e aaa e Eaa EE 183 TAA 2 Memory MONI OR seesi ce 184 TAR MOI A ed ee Ae iene ede 184 A lA O a hte Se te ee TE 185 142 2 Local LOG A A O dtd Anka ce tie ats treet fe 185 14 2 3 Remote LOG macia dde di 186 14 234 Backup Logia a A n 187 14 3 Device DIAgMoOStICS paisas 187 TA Cable Tes A A EA AA a 187 14 4 Network DIagnostilS veces aleta 188 TAA E 188 A Traetta e a aaraa Stuns ae de Pos EEEa Pa Seven EE EREA trade ETETA 189 Appendix A Specifications cccccccccccecccceceeeeeeeeeeeeeeeeeeeeeeeeeeeceeeeesaeaeaeaeaeaeaeaeaeaeaeanaeaeaeananes 191 Appendix B Configuring the PCS ooooocccccccnncnnnnnnnncnnnnononononononononononononononononnnnnnnnnnnnnnnnnnnnnnnnnnns 192 Appendix C Glossa Yh eire intrarater oiiae ieina edanen e Eapana eainiie 197 VII Package Contents The following items should be found in your box gt One Gigabit Smart Switch One power cord Two mounting brackets and other fittings Installation Guide Y V V Y Resource C
100. devices that comply with IEEE 802 3af and IEEE 802 3at As the power every port or the system can provide is limited some attributes should be set to make full use of the power and guarantee the adequate power to the linked PDs When the power exceeds the maximum power limit or the power is inadequate to power the device the switch may disconnect the power supply to the PD linked to the port with lower priority When detecting a PD is unplugged the switch will stop supplying the power to the PD 147 PoE Config mainly for PoE attributes configuration is implemented on PoE Config and PoE Profile pages 11 1 1 PoE Config On this page you can configure the parameters to implement PoE function Choose the menu PoE PoE Config PoE Config to load the following page Global Config System Power Limit eo w 1 180 System Power Consumption 0 0w System Power Remain 180 0w Port Config Pon Select Port PoE Status PoE Priority Power Limit 0 1w 30 0w Time Range PoE Profile Power w Current ma Voltage PD Class Power Status mai E i O N l v 1 Enable Low Class 4 No Limit OFF a 2 Enable Low Class 4 No Limit OFF 3 Enable Low Class 4 No Limit _ _ e OFF 4 Enable Low Class 4 No Limit _ _ s s OFF 5 Enable Low Class 4 No Limit lt o OFF 6 Enable Low Class 4 No Limit m OFF 7 Ena
101. dress entries Figure 5 13 Address Table 55 The following entries are displayed on this screen gt Search Option MAC Address Enter the MAC address of your desired entry VLAN ID Enter the VLAN ID of your desired entry Port Select the corresponding port number of your desired entry Type Select the type of your desired entry e All This option allows the address table to display all the address entries Static This option allows the address table to display the static address entries only e Dynamic This option allows the address table to display the dynamic address entries only e Filtering This option allows the address table to display the filtering address entries only gt Address Table MAC Address Displays the MAC address learned by the switch VLAN ID Displays the corresponding VLAN ID of the MAC address Port Displays the corresponding Port number of the MAC address Type Displays the Type of the MAC address Aging Status Displays the Aging status of the MAC address 5 4 2 Static Address The static address table maintains the static address entries which can be added or removed manually independent of the aging time In the stable networks the static MAC address entries can facilitate the switch to reduce broadcast packets and remarkably enhance the efficiency of packets forwarding without learning the address The static MAC address learned by the port with Port Security enabled in the static learning
102. e to make the port based on this time range supply power configure a week time section to make the port supply based on this time range on the fixed days of the week configure a holiday section and select Exclude Holiday to make the port based on this time range not supply power on some special days In each time range four time slices can be configured The Time Range configuration can be implemented on PoE Time Range Summary PoE Time Range Create and PoE Holiday Config pages 11 2 1 Time Range Summary On this page you can view or delete the current time ranges Choose the menu PoE gt PoE Time Range gt PPoE Time Range Summary to load the following page Time Range Table Select Index Time Range Name Slice 1 Slice 2 Slice 3 Slice 4 Mode Operation oO 1 11 Exclude Holiday Edit Detail an delete Help Figure 11 3 Time Range Table The following items are displayed on this screen gt Time Range Table Select Select the desired entry to delete the corresponding time range Index Displays the index of the time range Time Range Name Displays the name of the time range 150 Slice Mode Operation Displays the time slice of the time range Displays the mode the time range adopts Click Edit to modify this time range and click Detail to display the complete information of this time range 11 2 2 PoE Time Range Create On this page you can create time ranges Choose the menu P
103. e MAC Address Table is full the switch will broadcast the packets to all the ports At this moment the attacker can obtain the network information via various sniffers and attacks When the MAC Address Table is full the packets traffic will flood to all the ports which results in overload lower speed packets drop and even breakdown of the system Port Security is to protect the switch from the malicious MAC Address Attack by limiting the maximum number of MAC addresses that can be learned on the port The port with Port Security feature enabled will learn the MAC address dynamically When the learned MAC address number reaches the maximum the port will stop learning Thereafter the other devices with the MAC address unlearned cannot access to the network via this port 43 Choose the menu Switching Port Port Security to load the following page Port Security Select Port O oO 1 O 2 O 3 O 4 Fl 5 O 6 O 7 O 8 dl 9 O 10 O 11 O 12 Note Max Learned MAC Learned Num Learn Mode Status Dynamic Disable v 64 0 Dynamic Disable A 64 0 Dynamic Disable 64 0 Dynamic Disable 64 0 Dynamic Disable 64 0 Dynamic Disable 64 0 Dynamic Disable 64 0 Dynamic Disable 64 0 Dynamic Disable 64 0 Dynamic Disable 64 0 Dynamic Disable 64 0 Dynamic Disable 64 0 Dynamic Disable E The maximum number of MAC addresses learned from individual port can be setto 64 Figure 5 4 Port Security The following entries are displayed
104. e Notify Sending trap messages to the management station e Log amp Notify Logging the event and sending trap messages to the management station Enter the name of the device or user that defined the entry Select Enable Disable the corresponding event entry 165 12 3 3 Alarm Config On this page you can configure Statistic Group and Alarm Group for RMON Choose the menu SNMP gt RMON Alarm Config to load the following page Alarm Table Select Index Variable Port Sample Type Rising Rising Event Falling Falling Event Alarm Type Interval sec Owner Status Threshold Threshold O DropEvents v v Absolute v v All y Disable v 1 DropEvents Port 1 Absolute 100 1 100 1 All 1800 monitor Disable 2 DropEvents Port1 Absolute 100 1 100 1 All 1800 monitor Disable O 3 DropEvents Port 1 Absolute 100 1 100 1 All 1800 monitor Disable 4 DropEvents Port 1 Absolute 100 1 100 1 All 1800 monitor Disable 5 DropEvents Port 1 Absolute 100 1 100 1 All 1800 monitor Disable 6 DropEvents Port1 Absolute 100 1 100 1 All 1800 monitor Disable F 7 DropEvents Pot1 Absolute 100 1 100 1 All 1800 monitor Disable 8 DropEvents Port 1 Absolute 100 1 100 1 All 1800 monitor Disable 9 DropEvents Port 1 Absolute 100 1 100 1 All 1800 monitor Disable F 10 DropEvents Port1 Absolute 100 1 100 1 All 1800 monitor Disable 11 DropEvents Port1 Absolute 100 1 100 1 All 1800 monitor Disable 12 DropEvents P
105. e default read view is viewDefault Figure 12 5 SNMP Group The following entries are displayed on this screen gt Group Config Group Name Enter the SNMP Group name The Group Name Security Model and Security Level compose the identifier of the SNMP Group The Groups with these three items the same are considered to be the same Security Model Select the Security Model for the SNMP Group e vi SNMPv1 is defined for the group In this model the Community Name is used for authentication SNMP v1 can be configured on the SNMP Community page directly e v2c SNMPv2c is defined for the group In this model the Community Name is used for authentication SNMP v2c can be configured on the SNMP Community page directly e v3 SNMPv3 is defined for the group In this model the USM mechanism is used for authentication If SNMPv3 is enabled the Security Level field is enabled for configuration Security Level Select the Security Level for the SNMP v3 Group e noAuthNoPriv No authentication and no privacy security level is used e authNoPriv Only the authentication security level is used e authPriv Both the authentication and the privacy security levels are used Read View Select the View to be the Read View The management access is restricted to read only and changes cannot be made to the assigned SNMP View 157 Write View Notify View gt Group Table Select Group Name Security Model Security L
106. e is no Report message received from this port during the switch maximum response time the port on which the MASQ was sent is deleted from the multicast group If the deleted port is the last member of the multicast group the multicast group is also deleted The switch will send Done message to the router ports of the VLAN In IPv6 Layer 2 switches can use Multicast Listener Discovery MLD Snooping to limit the flooding of multicast traffic by dynamically configuring Layer 2 interfaces so that IPv6 multicast data is selectively forwarded to a list of ports that want to receive the data This list is constructed by snooping IPv6 multicast control packets The MLD Snooping function can be implemented on Global Config VLAN Config Filter Config Port Config Static Multicast Querier Config and Packet Statistics pages 8 2 1 Global Config To configure the MLD Snooping on the switch please firstly configure MLD global configuration and related parameters on this page 108 Chose the menu Multicast gt MLD Snooping gt Global Config to load the following page Global Config MLD Snooping Report Message Suppression Unknown Multicast Filter Router Port Aging Time Member Port Aging Time Last Listener Query Interval Last Listener Query Count Multicast VLAN Multicast VLAN ID Note 1 When Unknown Multicast Filter is configured the Unknown Multicast function in IGMP Snooping is also configured atthe same time 2 Mult
107. e local link or applied in IPv6 Duplicate Address Detection A node is required to join the associated Solicited Node multicast addresses for all unicast and anycast addresses that have been configured for the node s interfaces IPv6 Solicited Node Multicast Address Format FFO2 0 0 0 0 1 F FXX XXXX The IPv6 solicited node multicast address has the prefix FFO2 0 0 0 0 1 FF00 0000 104 concatenated with the 24 low order bits of a corresponding IPv6 unicast or anycast address 2 IPv6 Multicast MAC Address The high order 16 bits of an IPv6 multicast MAC address begins with 0x3333 while the low order 32 bits of an IPv6 multicast MAC address are the low order 32 bits of the IPv6 multicast IP address The mapping relationship is described as the following figure 128 bit IPv6 address FETE 0000 0000 0000 0000 0000 EN 130B i 32 bit i mapping 48 bit MAC address 3333 EOE 130B CO 16 bit prefix MAC address Figure 8 3 Mapping relationship between multicast IPv6 address and multicast IPv6 MAC address The high order 16 bits of the IP multicast address are 0x3333 identifying the IPv6 multicast group The low order 32 bits of the IPv6 multicast IP address are mapped to the multicast MAC address 94 gt Multicast Address Table The switch is forwarding multicast packets based on the multicast address table As the transmission of multicast packets cannot span the VLAN the first part of the multicast address table is VLAN ID
108. e slice Delete Click the Delete button to delete the corresponding time slice 11 2 3 PoE Holiday Config Holiday mode is applied as a different secured access control policy from the week mode On this page you can define holidays according to your work arrangement Choose the menu PoE PoE Time Range gt PoE Holiday Create to load the following page Create Holiday Start Date lor w s ot End Date lor 2 s o1 y Holiday Name Holiday Table Select Index Holiday Name Start Date End Date O 1 NewYearDay 01 01 01 03 O 2 LaborDay 05 01 05 03 m Figure 11 5 Holiday Configuration The following entries are displayed on this screen gt Create Holiday Start Date End Date Holiday Name gt Holiday Table Select Index Holiday Name Start Date End Date Specify the start date of the holiday Specify the end date of the holiday Enter the name of the holiday Select the desired entry to delete the corresponding holiday Displays the index of the holiday Displays the name of the holiday Displays the start date of the holiday Displays the end date of the holiday Return to CONTENTS 152 Chapter 12 SNMP gt SNMP Overview SNMP Simple Network Management Protocol has gained the most extensive application on the UDP IP networks SNMP provides a management frame to monitor and maintain the network devices It is used for automatically managing the various network devices no matter
109. e system will log out automatically If you want to reconfigure please login again gt Access User Number Number Control Select Enable Disable the Number Control function Admin Number Enter the maximum number of the users logging on to the Web management page as Admin Guest Number Enter the maximum number of the users logging on to the Web management page as Guest 4 4 2 SSL Config SSL Secure Sockets Layer a security protocol is to provide a secure connection for the application layer protocol e g HTTP communication based on TCP SSL is wdely used to secure the data transmission between the Web browser and servers lt is mainly applied through ecommerce and online banking SSL mainly provides the following services 1 Authenticate the users and the servers based on the certificates to ensure the data are transmitted to the correct users and servers 2 Encryptthe data transmission to prevent the data being intercepted 3 Maintain the integrality of the data to prevent the data being altered in the transmission Adopting asymmetrical encryption technology SSL uses key pair to encrypt decrypt information A key pair refers to a public key contained in the certificate and its corresponding private key By default the switch has a certificate self signed certificate and a corresponding private key The Certificate Key Download function enables the user to replace the default key pair After SSL is effective you ca
110. eb browser Tips To log in to the switch the IP address of your PC should be set in the same subnet addresses of the switch The IP address is 192 168 0 x x is any number from 2 to 254 Subnet Mask is 255 255 255 0 For the detailed instructions as to how to do this please refer to Appendix B 2 After a moment a login window will appear as shown in Figure 3 2 Enter admin for the User Na me and Password both in lower case letters Then click the Login button or press the Enter key TP LINK User Name admin Password CN O Figure 3 2 Login 3 2 Configuration After a successful login the main page will appear as Figure 3 6 and you can configure the function by clicking the setup menu on the left side of the screen TP LINK System Summary TL SG2424 10 System Device Description S System IPV6 Daylight Saving Time ystem Time System IP 12 14 1 18 20 22T MT ua m r 21F 22F 23F F System Info User Management System Tools Access Security Ee System Info Switching aq System Description VLAN g H Device Name Spanning Tree SS Device Location Multicast System Contact Qos Hardware Version ACL E Firmware Version SNMP IP Address Maintenance Subnet Mask Save Config Default Gateway MAC Address Logout System Time Run Time Copyright 2014 TP LINK Technologies Co Ltd All ri
111. ed Create MST region and configure the role the switch plays in the MST region on Spanning Tree MSTP Instance Region Config and Instance Config page Configure MSTP parameters Optional Configure different instances in the MST region for instance ports and configure MSTP parameters for instance ports on Spanning Tree MSTP Instance Instance Port Config page 7 4 STP Security Configuring protection function for devices can prevent devices from any malicious attack against STP features The STP Security function can be implemented on Port Protect and TC Protect pages Port Protect function is to preventthe devices from any malicious attack against STP features 7 4 1 PortProtect On this page you can configure loop protect feature root protect feature TC protect feature BPDU protect feature and BPDU filter feature for ports You are suggested to enable corresponding protection feature for the qualified ports gt Loop Protect In a stable network a switch maintains the states of ports by receiving and processing BPDU packets from the upstream switch However when link congestions or link failures occurred to the network a down stream switch does not receive BPDU packets for certain period which results in spanning trees being regenerated and roles of ports being reselected and causes the blocked ports to transit to forwarding state Therefore loops may be incurred in the network The loop protect function can suppr
112. ed on STP Config and STP Summary pages 7 1 1 STP Config Before configuring spanning trees you should make clear the roles each switch plays in each spanning tree instance Only one switch can be the root bridge in each spanning tree instance On this page you can globally configure the spanning tree function and related parameters Choose the menu Spanning Tree STP Config STP Config to load the following page Global Config STP Enable Disable gt Apply Version STP v Parameters Config CIST Priority 32768 0 61440 Hello Time 2 sec 1 10 Max Age 20 sec 6 40 Apply Forward Delay 15 sec 4 30 2 a Help TxHoldCount 5 pps 1 20 Max Hops 20 hop 1 40 Figure 7 4 STP Config 75 The following entries are displayed on this screen gt Global Config STP Select Enable Disable STP function globally on the switch Version Select the desired STP version on the switch STP Spanning Tree Protocol e RSTP Rapid Spanning Tree Protocol e MSTP Multiple Spanning Tree Protocol Parameters Config CIST Priority Enter a value from 0 to 61440 to specify the priority of the switch for comparison in the CIST CIST priority is an important criterion on determining the root bridge In the same condition the switch with the highest priority will be chosen as the root bridge The lower value has the higher priority The default value is 32768 and should be exact divisor of 4096 Hello Ti
113. ed on this screen gt Auto Refresh Auto Refresh Refresh Rate gt Local Info Enable Disable the auto refresh function Specify the auto refresh rate Enter the desired port number and click Select to display the information of the corresponding port 13 4 4 Neighbor Info On this page you can get the LLDP MED information of the neighbors 181 Choose the menu LLDP gt LLDP MED Neighbor Info to load the following page Auto Refresh Auto Refresh Refresh Rate LLDP MED Neighbor Info Local Port O Enable Disable Device Type sec 3 300 Port o Application Type Location Data Format Power Type Information Figure 13 9 LLDP MED Neighbor Information The following entries are displayed on this screen gt gt Auto Refresh Auto Refresh Refresh Rate Neighbor Info Port Select Local Port Device Type Application Type Local Data Format Power Type Information Enable Disable the auto refresh function Specify the auto refresh rate Click the Select button to quick select the corresponding port based on the port number you entered Displays the local port number connecting to the neighbor device Displays the device type of the neighbor Displays the application type of the neighbor Application Type indicates the primary function of the applications defined for the network policy Displays the location identification of the neighbor Displays the power type of
114. el Select the Security Model of the management station Security Level Select the Security Level for the SNMP v3 User e noAuthNoPriv No authentication and no privacy security level are used e authNoPriv Only the authentication security level is used e authPriv Both the authentication and the privacy security levels are used 162 Type Retry Time out Notification Table Select IP Address UDP Port User Security Model Security Level Select the type for the notifications e Trap Indicates traps are sent e Inform Indicates informs are sent The Inform type has a higher security than the Trap type Specify the amount of times the switch resends an inform request The switch will resend the inform request if it doesn t get the response from the management station during the Timeout interval and it will terminate resending the inform request if the resending times reach the specified Retry times Specify the maximum time for the switch to wait for the response from the management station before resending a request Select the desired entry to delete the corresponding management station Displays the IP Address of the management host Displays the UDP port used to send notifications Displays the User name of the management station Displays the Security Model of the management station Displays the Security Level for the SNMP v3 User Type Displays the type of the notifications Time o
115. elect the type the desired entry must carry e All Displays all multicast IP entries e Static Displays all static multicast IP entries Dynamic Displays all dynamic multicast IP entries gt Multicast IP Table Multicast IP Displays the multicast IP VLAN ID Displays the VLAN ID Forward Ports Displays the forward ports of the group Type Displays the type of the group Mote The max number of multicast entries is 256 The IPv4 multicast table and IPv6 multicast table share the total entry number of 256 Return to CONTENTS 118 Chapter 9 QoS QoS Quality of Service functions to provide different quality of service for various network applications and requirements and optimize the bandwidth resource distribution so as to provide a network service experience of a better quality gt Qos This switch classifies the ingress packets maps the packets to different priority queues and then forwards the packets according to specified scheduling algorithms to implement QoS function Packets are mapped to different priority queues Coos Packets sent via this interface Tence f i Packets are forwarded Ga Ga Ga Gs a EEEE Egress interface t E CI 0 ww a amp DN ES a Packets classification i Packets are forwarded ia according to the Scheduling schedule mode Figure 9 1 QoS function e Traffic classification Identifies packets conforming to certain characters according to
116. em priority and system MAC decide the priority of the device The smaller the system priority the higher the priority of the device is With the same system priority the device owning the smaller system MAC has the higher priority The device with the higher priority will choose the ports to be aggregated based on the port priority port number and operation key Only the ports with the same operation key can be selected into the same aggregation group In an aggregation group the port with smaller port priority will be considered as the preferred one If the two port priorities are equal the port with smaller port number is preferred After an aggregation group is established the selected ports can be aggregated together as one port to transmit packets On this page you can configure the LACP feature of the switch 50 Choose the menu Switching gt LAG gt LACP Config to load the following page Global Config System Priority 32768 0 65535 LACP Config Pot Select Port Admin Key Port Priority 0 65535 Mode Status LAG a Passive v Disable v F 1 1 32768 Passive Disable a 2 1 32768 Passive Disable w 3 1 32768 Passive Disable 4 1 32768 Passive Disable E 5 1 32768 Passive Disable 6 1 32768 Passive Disable F 7 1 32768 Passive Disable 8 1 32768 Passive Disable El 9 1 32768 Passive Disable 10 1 32768 Passive Disable 11 1 32768 Passive Disable
117. ent is triggered e Falling When the sampled value is under the Falling Threshold an alarm event is triggered Interval Enter the alarm interval time in seconds Owner Enter the name of the device or user that defined the entry Status Select Enable Disable the corresponding alarm entry Mote When alarm variables exceed the Threshold on the same direction continuously for several times an alarm event will only be generated on the first time that is the Rising Alarm and Falling Alarm are triggered alternately for that the alarm following to Rising Alarm is certainly a Falling Alarm and vice versa Return to CONTENTS 167 Chapter 13 LLDP Mnote Only TL SG2424P supports LLDP function LLDP Link Layer Discovery Protocol is a Layer 2 protocol that is used for network devices to advertise their own device information periodically to neighbors on the same IEEE 802 local area network The advertised information including details such as device identification capabilities and configuration settings is represented in TLV Type Length Value format according to the IEEE 802 1ab standard and these TLVs are encapsulated in LLDPDU Link Layer Discovery Protocol Data Unit The LLDPDU distributed via LLDP is stored by its recipients in a standard MIB Management Information Base making it possible for the information to be accessed by a Network Management System NMS using a management protocol such as the Simple Network Managemen
118. eport message from the host within a period of time gt IGMP Messages The switch running IGMP Snooping processes the IGMP messages of different types as follows 1 IGMP Query Message IGMP query message sent by the router falls into two types IGMP general query message and IGMP group specific query message The router regularly sends IGMP general message to query 95 if the multicast groups contain any member When receiving IGMP leave message the receiving port of the router will send IGMP group specific query message to the multicast group and the switch will forward IGMP group specific query message to check if other members in the multicast group of the port need this multicast When receiving IGMP general query message the switch will forward them to all other ports in the VLAN owning the receiving port The receiving port will be processed if the receiving port is nota router port yet it will be added to the router port list with its router port time specified if the receiving port is already a router port its router port time will be directly reset When receiving IGMP group specific query message the switch will send the group specific query message to the members of the multicast group being queried 2 IGMP Report Message IGMP report message is sent by the host when it applies for joining a multicast group or responses to the IGMP query message from the router When receiving IGMP report message the switch will sen
119. er the Query Message source IP address It is FE80 02FF FFFF FE00 0001 by default gt Querier List Select Select the Querier you want to change VLAN ID Displays the VLAN ID Maximum Response Displays the value of Maximum Response Time field Time of the Query message Query Interval Displays the Query message interval time Query Source IP Displays the Query message source IP address Mote The MLD Snooping Querier doesn t participate in the MLD Querier Election but an MLD Snooping Querier will affect the MLD Querier Election in the IPv6 network running MLD because of its relatively smaller IP address 8 2 7 Packet Statistics On this page you can view the MLD packets the switch received It helps you to monitor the MLD Snooping function 115 Choose the menu Multicast gt MLD Snooping gt Packet Statistics to load the following page Auto Refresh Auto Refresh O Enable Disable gt oidos Ale Apply Refresh Period 5 sec 3 300 MLD Packet Statistics Pot OOO Received MLD Received Received Received MLD Send MLD poly Query MLDv1 Report MLDv2 Report Done Spec Query Bier ake 1 0 4 4 0 2 6 A 2 0 0 0 54 0 0 3 10 0 0 0 0 0 4 0 0 0 25 0 0 5 0 0 14 0 10 0 6 0 0 0 0 D 0 Fi 0 10 0 0 0 0 8 0 g 11 8 8 0 9 0 12 20 10 20 0 10 0 0 0 0 0 0 11 0 0 0 0 0 0 12 0 0 0 0 0 0 v The following entries are displayed on this screen gt Auto Fresh Auto Fresh Select Enable Disable auto fresh feature Fresh Period
120. es Re E E Basie ahaa ade a a 75 11 2 STP SUMMARY tallo ica 77 G2 POT CONGR enaar aE E AE EE a EEEO E T a EE A bod Mee beeanenes 77 TS IMSTP Stand a a dah tery 79 7 3 1 Regi n Coin 79 1 32 Instance Colin ido ge 80 7 3 3 Instance Port CONfIQ ccccccicicicicicicicicinininininininininnnonnnnnnnnnnnnnnnnnneneneneneneneninicos 81 GA STP SSCUPIV eMart A A eee edt ate cM teed elaine 83 7 4 1 Port Protect cc ieot leeds ici bees eee 83 AQ A hae ied iti meen ee ea 86 7 5 Application Example for STP Function cccccccccccceceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeereeees 86 Chapter 8 Multicast cccccccccccccccceeeeceeeeeeeceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeceeeeeeeeeeeseeeeeeeeeeeeeeeeteness 91 8 1 AlIGMP SNOOPING erea ase O a AE R aA 95 8 1 1 Sno pinNg CONTO eaea a r aa ae danner aada 97 8 1 2 VEAN CON a ae desde pene a 97 a S A NN 99 8 1 4 PRAM GO cc 100 8 1 5 Multicast VLAN lista 101 8 1 6 Static Multicast P seagen iistri leas 104 81T Packet Statistic Sisri afew a n 105 8 2 MED SNOOpING cin A A AA id 107 8 2 1 Global CONTI vivan aa 108 82 2 VEAN CO o elo ei 110 8 253 Filter CONO ici aio Aavetelacecetecetuyaaacdenaacendes 112 8 24 POCONO a ma aaa a aa a araara aA EEEa naaa aaa 113 8 2 55 Static Multicast a oen r A AE a a EG 113 8 2 0 Querer Config vinci ida da data cd ic 114 8 2 7 Packet Statistics A Ana Na AaS 115 9 3 Multicast Table mrii e i ae ie ees 117 8 3 1 IPv4 Multicast Table mi
121. esignated bridge The switch with the lowest bridge ID will be chosen as the designated bridge Root Path Cost Indicates the sum of the path cost of the root port and the path cost of all the switches that packets pass through The root path cost of the root bridge is 0 Bridge Priority The bridge priority can be set to a value in the range of 0 32768 The lower value priority has the higher priority The switch with the higher priority has more chance to be chosen as the root bridge Root Port Indicates the port that has the lowest path cost from this bridge to the Root Bridge and forwards packets to the root Designated Port Indicates the port that forwards packets to a downstream network segment or switch Port Priority The port priority can be set to a value in the range of 0 255 The lower value priority has the higher priority The port with the higher priority has more chance to be chosen as the root port Path Cost Indicates the parameter for choosing the link path by STP By calculating the path cost STP chooses the better links and blocks the redundant links so as to disbranch the ring network to forma tree topological ring free network The following network diagram shows the sketch map of spanning tree Switch A B and C are connected together in order After STP generation switch Ais chosen as root bridge the path from port 2 to port 6 is blocked e Bridge Switch A is the root bridge in the whole network switch B is t
122. ess of node B e f node A receives an NA message from node B node A considers that node B is reachable Otherwise node B is unreachable Duplicate Address Detection Neighbor solicitation messages are used in the stateless autoconfiguration process to verify the uniqueness of unicast IPv6 addresses before the addresses are assigned to an interface After node A acquires an IPv6 address it will perform duplicate address detection DAD to determine whether the address is being used by other nodes similar to the gratuitous ARP 23 function of IPv4 DAD is accomplished through NS and NAmessages The DAD procedure is as follows e Node A sends an NS message whose source address is the unassigned address and destination address is the corresponding solicited node multicast address of the IPv6 address to be detected The NS message contains the IPv6 address e lif node B uses this IPv6 address node B returns an NA message The NA message contains the IPv6 address of node B e Node A learns that the IPv6 address is being used by node B after receiving the NA message from node B Otherwise node B is not using the IPv6 address and node A can use it IPv6 Router Advertisement Message Router advertisement RA messages which have a value of 134 in the Type field of the ICMP packet header are periodically sent out each configured interface of an IPv6 router RA messages typically include the following information e One or more
123. esses loops With this function enabled a port regardless of the role it plays in instances is always set to blocking state when the port does not receive BPDU packets from the upstream switch and spanning trees are regenerated and thereby loops can be prevented gt Root Protect A CIST and its secondary root bridges are usually located in the high bandwidth core region Wrong configuration or malicious attacks may result in configuration BPDU packets with higher priorities being received by the legal root bridge which causes the current legal root bridge to lose 83 its position and network topology jitter to occur In this case flows that should travel along high speed links may lead to low speed links and network congestion may occur To avoid this MSTP provides root protect function Ports with this function enabled can only be set as designated ports in all spanning tree instances When a port of this type receives BDPU packets with higher priority it transits its state to blocking state and stops forwarding packets as if it is disconnected from the link The port resumes the normal state if it does not receive any configuration BPDU packets with higher priorities for a period of two times of forward delay gt TC Protect A switch removes MAC address entries upon receiving TC BPDU packets If a user maliciously sends a large amount of TC BPDU packets to a switch in a short period the switch will be busy with removing MAC add
124. estination is not a receiver but a group with uncertain number of members so a multicast MAC address a logical MAC address is needed to be used as the destination address As stipulated by IANA the high order 24 bits of a multicast MAC address begins with 01 00 5E while the low order 23 bits of a multicast MAC address are the low order 23 bits of the multicast IP address The mapping relationship is described as Figure 8 2 32 bit IPv4 address MAC Aderess mapping E 01 00 5 Figure 8 2 Mapping relationship between multicast IPv4 address and multicast MAC address The high order 4 bits of the IP multicast address are 1110 identifying the multicast group Only 23 bits of the remaining low order 28 bits are mapped to a multicast MAC address In that way 5 bits of the IP multicast address is not utilized As a result 32 IP multicast addresses are mapped to the same MAC addresses gt IPv6 Multicast Address 1 IPv6 Multicast Address An IPv6 multicast address is an identifier for a group of interfaces and has the following format 92 x LL bi 8 4 16 Group ID 112 bits e OXFF at the start of the address identifies the address as being a multicast address oe The high order flag is reserved and must be initialized to 0 e Flags have 4 bits 1 2 lt R Set to O to indicate this IPv6 multicast address does not contain an embedded RP address set to 1 to indicate t
125. et 4 1 4 Daylight Saving Time Here you can configure the Daylight Saving Time of the switch Choose the menu System System Info Daylight Saving Time to load the following page DST Config DST Status Enable Predefined Mode USA Australia Europe New Zealand Recurring Mode Offset minutes Start Time Week Day Month oroo End Time Week Day Month o1 00 e Date Mode Offset lso minutes Start Time Apr w i 00 00 MDD HH MM End Time Oct 01 w joo 00 MMIDD HH MM Figure 4 6 Daylight Saving Time 16 The following entries are displayed on this screen gt DST Config DST Status Predefined Mode Recurring Mode Date Mode Mote 1 2 Enable or disable the DST Select a predefined DST configuration e USA Second Sunday in March 02 00 First Sunday in November 02 00 e Australia First Sunday in October 02 00 First Sunday in April 03 00 e Europe Last Sunday in March 01 00 Last Sunday in October 01 00 e New Zealand Last Sunday in September 02 00 First Sunday in April 03 00 Specify the DST configuration in recurring mode This configuration is recurring in use e Offset Specify the time adding in minutes when Daylight Saving Time comes e Start End Time Select starting time and ending time of Daylight Saving Time Specify the DST configuration in Date mode This configuration is recurring in use e Offset Specify t
126. etwork management M mandatory TLV required for all LLDPDUs The maximum length of the LLDPDU shall be the maximum information field length allowed by the particular transmission rate and protocol In IEEE 802 3 MACs for example the maximum LLDPDU length is the maximum data field length for the basic untagged MAC frame 1500 octets gt LLDP Working Mechanism 1 LLDP Admin Status The transmission and the reception of LLDPDUs can be separately enabled for every port making it possible to configure an implementation to restrict the port either to transmit only or receive only 168 or to allow the port to both transmit and receive LLDPDUs Four LLDP admin statuses are supported by each port e Tx amp Rx the port can both transmit and receive LLDPDUs e Rx_Only the port can receive LLDPDUs only e Tx_Only the port can transmit LLDPDUs only e Disable the port cannot transmit or receive LLDPDUs 2 LLDPDU transmission mechanism o If the ports are working in TxRx or Tx mode they will advertise local information by sending LLDPDUs periodically o If there is a change in the local device the change notification will be advertised To prevent a series of successive LLDPDUs transmissions during a short period due to frequent changes in local device a transmission delay timer is set by network management to ensure that there is a defined minimum time between successive LLDP frame transmissions o If the LLDP admin status o
127. eues Priority may be set according to the port default the packet s priority bit in the VLAN tag TCP UDP port number or DSCP priority bit Differentiated Services Code Point DSCP DSCP uses a six bit tag to provide for up to 64 different forwarding behaviors Based on network policies different kinds of traffic can be marked for different kinds of forwarding The DSCP bits are mapped to the Class of Service categories and then into the output queues Domain Name Service DNS A system used for translating host names for network nodes into IP addresses Dynamic Host Control Protocol DHCP Provides a framework for passing configuration information to hosts on a TCP IP network DHCP is based on the Bootstrap Protocol BOOTP adding the capability of automatic allocation of reusable network addresses and additional configuration options IEEE 802 1D Specifies a general method for the operation of MAC bridges including the Spanning Tree Protocol IEEE 802 1Q VLAN Tagging Defines Ethernet frame tags which carry VLAN information It allows switches to assign endstations to different virtual LANs and defines a standard way for VLANs to communicate across switched networks IEEE 802 1p An IEEE standard for providing quality of service QoS in Ethernet networks The standard uses packet tags that define up to eight traffic classes and allows switches to transmit packets based on the tagged priority value IEEE 802 3ac Defines
128. evel Read View Write View Notify View Operation Mote Select the View to be the Write View The management access is writing only and changes can be made to the assigned SNMP View The View defined both as the Read View and the Write View can be read and modified Select the View to be the Notify View The management station can receive trap messages of the assigned SNMP view generated by the switch s SNMP agent Select the desired entry to delete the corresponding group It is multi optional Displays the Group Name here Displays the Security Model of the group Displays the Security Level of the group Displays the Read View name in the entry Displays the Write View name in the entry Displays the Notify View name in the entry Click the Edit button to modify the Views in the entry and click the Modify button to apply Every Group should contain a Read View The default Read View is viewDefault 12 1 4 SNMP User The User in a SNMP Group can manage the switch via the management station software The User and its Group have the same security level and access right You can configure the SNMP User on this page Choose the menu SNMP gt SNMP Config gt SNMP User to load the following page User Config User Name User Type Security Model Auth Mode Privacy Mode User Table Select User Name Note Auth Password User Type Group Name prune Security Level Auth Mode 16 characters maximum
129. f the port is changed from Disable Rx to TxRx Tx the Fast Start Mechanism will be active the transmit interval tums to be 1 second several LLDPDUs will be sent out and then the transmit interval comes back to the regular interval 3 LLDPDU receipt mechanism When a port is working in TxRx or Rx mode the device will check the validity of the received LLDPDUs and the attached TLVs save this neighbor information to the local device and then set the aging time of this information according to the TTL value of TTL Time To Live TLV Once the TTLis O this neighbor information will be aged out immediately The aging time of the local information in the neighbor device is determined by TTL Hold Multiplier is a multiplier on the Transmit Interval that determines the actual TTL value used in an LLDPDU TTL Hold Multiplier Transmit Interval gt TLV TLV refers to Type Length Value and is contained in a LLDPDU Type identifies what kind of information is being sent Length indicates the length of information string in octets and Value is the actual information to be sent The basic TLV Format is shown as follows TLV information TLV type ation string length TLV information string 7 bits 9 bits 0 lt n lt 511 octets TLV header Each TLV is identified by a unique TLV type value that indicates the particular kind of information contained in the TLV 169 The following table shows the details about the currently defined TLVs TLV
130. frame extensions for VLAN tagging IEEE 802 3x Defines Ethernet frame start stop requests and timers used for flow control on full duplex links Now incorporated in IEEE 802 3 2002 197 Internet Group Management Protocol IGMP A protocol through which hosts can register with their local router for multicast services If there is more than one multicast switch router on a given subnetwork one of the devices is made the querier and assumes responsibility for keeping track of group membership IGMP Snooping Listening to IGMP Query and IGMP Report packets transferred between IP Multicast routers and IP Multicast host groups to identify IP Multicast group members IGMP Query On each subnetwork one IGMP capable device will act as the querier that is the device that asks all hosts to report on the IP multicast groups they wish to join or to which they already belong The elected querier will be the device with the lowest IP address in the subnetwork IP Multicast Filtering It is a feature to allow or deny the Client to add the specified multicast group Multicast Switching A process whereby the switch filters incoming multicast frames for services forwhich no attached host has registered or forwards them to all ports contained within the designated multicast group Layer 2 Data Link layer in the ISO 7 Layer Data Communications Protocol This is related directly to the hardware interface for network devices and passes on traffi
131. from the dropdown list or select Manual to set Egress rate the system will automatically select integral multiple of 64Kbps that closest to the rate you entered as the real Egress rate Displays the LAG number which the port belongs to 1 Ifyou enable ingress rate limit feature for the storm control enabled port storm control feature will be disabled for this port 2 When selecting Manual to set Ingress Egress rate the system will automatically select integral multiple of 64Kbps that closest to the rate you entered as the real Ingress Egress rate For example if you enter 1000Kbps for egress rate the system will automatically select 1024Kbps as the real Egress rate 3 When egress rate limit feature is enabled for one or more ports you are suggested to disable the flow control on each port to ensure the switch works normally 9 2 2 Storm Control Storm Control function allows the switch to filter broadcast multicast and UL frame in the network If the transmission rate of the three kind packets exceeds the set bandwith the packets will be automatically discarded to avoid network broadcast storm 128 Choose the menu QoS gt Bandwidth Control Storm Control to load the following page For TL SG2216 TL SG2424 TL SG2424P Storm Control Config Select Port po pp pooogoooooo Note Broadcast Rate bps Multicast Rate bps UL Frame Rate bps LAG 128K ov 128K 128K M El LAGI LAGI LAGI E For one port
132. ge configure the region as TP LINK and keep the default revision setting Configure VLAN to Instance On Spanning Tree MSTP Instance lInstance mapping table of the MST region Config page configure VLAN to Instance mapping table Map VLAN 101 103 and 105 to Instance 1 map VLAN 102 104 and 106 to Instance 2 On VLAN 802 1Q VLAN page configure the link type of the related ports as Tagged and add the ports to VLAN101 VLAN106 The detailed instructions can be found in the section 802 1Q VLAN On Spanning Tree STP Config STP Config page enable STP function and select MSTP version On Spanning Tree STP Config Port Config page enable MSTP function for the port 87 Configure the region name and the revision of MST region Configure VLAN to Instance mapping table of the MST region Configure switch B as the root bridge of Instance 1 Configure switch B as the designated bridge of Instance 2 e Configure Switch C On Spanning Tree MSTP Instance Re gion Config page configure the region as TP LINK and keep the default revision setting On Spanning Tree MSTP Instance Instance Config page configure VLAN to Instance mapping table Map VLAN 101 103 and 105 to Instance 1 map VLAN 102 104 and 106 to Instance 2 On Spanning Tree MSTP Instance Instance Config page configure the priority of Instance 1 to be 0 On Spanning Tree MSTP _Instance lInstance Config page configure the prio
133. ghts reserved 24 Port Gigabit Smart Switch with 4 Combo SFP Slots TL SG2424 SHENZHEN www tp link com TL SG2424 2 0 1 0 0 Build 20140626 Rel 37975 s 192 168 0 1 255 255 255 0 00 0A EB 11 11 31 2006 01 01 09 08 10 0 day 1 hour 8 min 20 sec Figure 3 6 Main Setup Menu Adote Clicking Apply can only make the new configurations effective before the switch is rebooted If you want to keep the configurations effective even the switch is rebooted please click Save Config You are suggested to click Save Config before cutting off the power or rebooting the switch to avoid losing the new configurations Return to CONTENTS 12 Chapter 4 System The System module is mainly for system configuration of the switch including four submenus System Info User Management System Tools and Access Security 4 1 System Info The System Info mainly for basic properties configuration can be implemented on System Summary Device Description System Time Daylight Saving Time System IP and System IPv6 pages 4 1 1 System Summary On this page you can view the port connection status and the system information The port status diagram shows the working status of 24 10 100 1000Mbps RJ45 ports and 4 SFP ports of the switch Choose the menu System System Info System Summary to load the following page System Info System Description 24 Port Gigabit Smart Switch with 4 Combo SFP Slots Device Name TL SG2424 Device
134. ging time is not configured set to the default of 0 second the global value is used The following entries are displayed on this screen gt Vlan Config VLAN ID Router Time Port Aging Member Port Aging Time Immediate Leave Static Router Ports gt Vlan Table Select VLAN ID Router Time Port Aging Member Port Aging Time Immediate Leave Static Router Ports Enter the VLAN ID you want to configure Enter the router port aging time for this VLAN It will override the global configured aging time Enter the member port aging time for this VLAN It will override the global configured aging time Enable or disable immediate leave function for this VLAN If this function is enabled the multicast group member port will be deleted immediately if Done Message receive not sending Specific Query for listener checking Enter the static router ports for this VLAN Static router ports will not be aged Select the VLAN ID you want to change Displays the VLAN ID Displays the router port aging time of this VLAN Displays the member port aging time of this VLAN Displays the immediate leave function of this VLAN You should only use the Immediate Leave feature when there is a single receiver present on every port in the VLAN If the immediate leave function is enabled on a port with several listeners in the same IPv6 multicast group these listeners will fail to receive the IPv6 multicast packets
135. gnostics Tracert to load the following page Tracert Config Destination IP 192 168 0 100 Max Hop 4 hop 1 30 Tracert Result Figure 14 9 Tracert 189 The following entries are displayed on this screen gt Tracert Config Destination IP Enter the IP address of the destination device Both IPv4 and IPv6 are supported Max Hop Specify the maximum number of the route hops the test data can pass through Return to CONTENTS 190 Appendix A Specifications IEEE802 3ab 1000Base T Gigabit Ethernet Ethernet 10Mbps HD 20Mbps FD Transmission Rate Fast Ethernet 100Mbps HD 200Mbps FD Gigabit Ethernet 2000Mbps FD 10Base T UTP STP of Cat 3 or above 100Base TX UTP STP of Cat 5 or above 100Base F X MMF or SMF SFP Module Optional 1000Base T 4 pair UTP lt 100m of Cat 5 Cat 5e Cat 6 or above 1000Base X MMF or SMF SFP Module Optional Transmission Medium For TL SG2216 TL SG2424 Power System 1000Mbps Link Act For TL SG2424P Power System 10 100 1000Mbps Port LED Speed PoE PoE Max For TL SG2452 PWR SYS 10 100 1000Mbps Transmission Method Store and Forward 10BASE T 14881pps port Packets Forwarding Rate 100BASE TX 148810pps port 1000Base T 1488095pps port Operating Temperature 0 Cc 40 C Operating Storage Temperature 40 70 C Environment Operating Humidity 10 90 RH Non condensing Storage Humidity 5 90 RH Non condensing Retur
136. gure gt Mirroring Port Mirroring Port 42 Select the mirroring port number gt Mirrored Port Port Select Click the Select button to quick select the corresponding port based on the port number you entered Select Select the desired port as a mirrored port It is multi optional Port Displays the port number Ingress Select Enable Disable the Ingress feature When the Ingress is enabled the incoming packets received by the mirrored port will be copied to the mirroring port Egress Select Enable Disable the Egress feature When the Egress is enabled the outgoing packets sent by the mirrored port will be copied to the mirroring port LAG Displays the LAG number which the port belongs to The LAG member cannot be selected as the mirrored port or mirroring port Anote 1 TheLAG member cannot be selected as the mirrored port or mirroring port 2 Aport cannot be setas the mirrored port and the mirroring port simultaneously 3 The Port Mirror function can span the multiple VLANs 5 1 3 Port Security MAC Address Table maintains the mapping relationship between the port and the MAC address of the connected device which is the base of the packet forwarding The capacity of MAC Address Table is fixed MAC Address Attack is the attack method that the attacker takes to obtain the network information illegally The attacker uses tools to generate the cheating MAC address and quickly occupy the MAC Address Table When th
137. has a higher security than MD5 mode Enter the password for authentication Select the Privacy Mode for the SNMP v3 User e None No privacy method is used e DES DES encryption method is used Enter the Privacy Password Select the desired entry to delete the corresponding User It is multi optional Displays the name of the User Displays the User Type Displays the Group Name of the User Displays the Security Model of the User Displays the Security Level of the User Displays the Authentication Mode of the User Displays the Privacy Mode of the User Click the Edit button to modify the Group of the User and click the Modify button to apply 159 12 1 5 SNMP Community SNMP v1 and SNMP v2c adopt community name authentication The community name can limit access to the SNMP agent from SNMP network management station functioning as a password If SNMP v1 or SNMP v2c is employed you can directly configure the SNMP Community on this page without configuring SNMP Group and User Choose the menu SNMP gt SNMP Config SNMP Community to load the following page Community Config Community Name Access MIB View Community Table Select Community Name Note 16 characters maximum read only viewDefault v Access MIB View Operation al The default MIB view of community is viewDefault Figure 12 7 SNMP Community The following entries are displayed on this screen gt Co
138. hat of Y but the root path cost of Xis smaller than that of Y Xis superior to Y If the root bridge ID and the root path cost of X equal those of Y but the bridge ID of Xis smaller than that of Y X is superior to Y If the root bridge ID the root path cost and bridge ID of X equal those of Y but the port ID of X is smaller than that of Y X is superior to Y gt STP Generation e In the beginning In the beginning each switch regards itself as the root and generates a configuration BPDU for each port on it as a root with the root path cost being O the ID of the designated bridge being that of the switch and the designated port being itself 71 e Compar ing BPDUs Each switch sends out configuration BPDUs and receives a configuration BPDU on one of its ports from anoth 1 er switch The following table shows the comparing operations If the priority of the BPDU received on the port is lower than that of the BPDU if of the port itself the switch discards the BPDU and does not change the BPDU of the port If the priority of the BPDU is higher than that of the BPDU of the port itself the switch replaces the BPDU of the port with the received one and compares it with those of other ports on the switch to obtain the one with the highest priority Table 7 1 Comparing BPDUs e Selecting the root bridge The root bridge is selected by BPDU comparing The switch with the smallest root ID is chosen as the root bridge
139. have the policy take its effect on a specific port VLAN The policy will take effect only when it is bound to a port VLAN In the same way the port VLAN will receive the data packets and process them based on the policy only when the policy is bound to the port VLAN The Policy Binding can be implemented on Binding Table Port Binding and VLAN Binding pages 10 3 1 Binding Table On this page view the policy bound to port VLAN Choose the menu ACL gt Policy Binding Binding Table to load the following page Search Options Show Mode Show All v Policy Bind Table Select Index Policy Name Interface Direction Figure 10 9 Binding Table The following entries are displayed on this screen gt Search Option Show Mode Select a show mode appropriate to your needs 142 gt Policy Bind Table Select Select the desired entry to delete the corresponding binding policy Index Displays the index of the binding policy Policy Name Displays the name of the binding policy Interface Displays the port number or VLAN ID bound to the policy Direction Displays the binding direction 10 3 2 Port Binding On this page you can bind a policy to a port Choose the menu ACL gt Policy Binding Port Binding to load the following page Port Bind Config Policy Name Select Policy v Port Format 1 3 6 8 Help Port Bind Table Index Policy Name Port Direction Figure 10 10 Bind the policy to the port The foll
140. he designated bridge of switch C e Port Port 3 is the root port of switch B and port 5 is the root port of switch C port 1 is the designated port of switch A and port 4 is the designated port of switch B port 6 is the blocked port of switch C 70 Switch B Switch C Figure 7 1 Basic STP diagram gt STP Timers Hello Time Hello Time ranges from 1 to 10 seconds It specifies the interval to send BPDU packets It is used to test the links Max Age Max Age ranges from 6 to 40 seconds It specifies the maximum time the switch can wait without receiving a BPDU before attempting to reconfigure Forward Delay Forward Delay ranges from 4 to 30 seconds It specifies the time for the port to transit its state after the network topology is changed When the STP regeneration caused by network malfunction occurs the STP structure will get some corresponding change However as the new configuration BPDUs cannot be spread in the whole network at once the temporal loop will occur if the port transits its state immediately Therefore STP adopts a state transit mechanism that is the new root port and the designated port begins to forward data after twice forward delay which ensures the new configuration BPDUs are spread in the whole network gt BPDU Comparing Principle in STP mode Assuming two BPDUs BPDU X and BPDU Y If the root bridge ID of X is smaller than that of Y X is superior to Y If the root bridge ID of X equals t
141. he following page Create Extend IP Rule ACL ID Rule ID Operation O sup O DP IP Protocol S Port D Port Extend IP ACL Permit v Mask Mask All v Figure 10 5 Create Extend IP Rule The following entries are displayed on this screen gt Create Extend IP ACL ACL ID Rule ID Operation S IP D IP Mask IP Protocol S Port D Port Select the desired Extend IP ACL for configuration Enter the rule ID Select the operation for the switch to process packets which match the rules e Permit Forward packets e Deny Discard Packets Enter the source IP address contained in the rule Enter the destination IP address contained in the rule Enter IP address mask If it is set to 1 it must strictly match the address Select IP protocol contained in the rule Configure TCP IP source port contained in the rule when TCP UDP is selected from the pull down list of IP Protocol Configure TCP IP destination port contained in the rule when TCP UDP is selected from the pull down list of IP Protocol 10 2 Policy Config A Policy is used to control the data packets those match the corresponding ACL rules by configuring ACLs and actions together for effect The Policy Config can be implemented on Policy Summary Police Create and Action Create pages 140 10 2 1 Policy Summary On this page you can view the ACL and the correspo
142. he member port it will consider this port is nota member port any more Leave Time Specify the interval between the switch receiving a leave message from a host and the switch removing the host from the multicast groups Router Ports Enter the static router port which is mainly used in the network with stable topology note 1 The router port should be in the multicast VLAN otherwise the member ports cannot receive multicast streams 2 The Multicast VLAN won t take effect unless you first complete the configuration for the corresponding VLAN owning the port on the 802 1Q VLAN page 3 Itis recommended to choose GENERAL as the link type of the member ports in the multicast VLAN 102 4 Configure the link type of the router port in the multicast VLAN as TRUNK or configure the egress rule as TAG and the link type as GENERAL otherwise all the member ports in the multicast VLAN cannot receive multicast streams 5 After a multicast VLAN is created all the IGMP packets will be processed only within the multicast VLAN Configuration procedure Enable IGMP Snooping Required Enable IGMP Snooping globally on the switch function and for the port on Multicast IGMP Snooping Snooping Config and Port Config page Create a multicast VLAN Required Create a multicast VLAN and add all the member ports and router ports to the VLAN on the VLAN gt 802 1Q VLAN page e Configure the link type of the member ports as GENERAL e Co
143. he rule table of the ACL you have selected Here you can edit the rules view the details of them and move them up and down 10 1 2 ACL Create On this page you can create ACLs 137 Choose the menu ACL ACL Config ACL Create to load the following page Create ACL ACL ID 0 99 MAC ACL 100 199 Standard IP ACL 200 299 Extend IP ACL Rule Order User Config vi Figure 10 2 ACL Create The following entries are displayed on this screen gt Create ACL ACL ID Enter ACL ID of the ACL you want to create Rule Order User Config order is set to be match order in this ACL 10 1 3 MAC ACL MAC ACLs analyze and process packets based on a series of match conditions which can be the source MAC addresses and destination MAC addresses carried in the packets Choose the menu ACL ACL Config MAC ACL to load the following page Create MAC Rule ACL ID MAC ACL Rule ID Operation Permit v O s mac Mask O D MAC Mask Figure 10 3 Create MAC Rule The following entries are displayed on this screen gt Create MAC ACL ACL ID Select the desired MAC ACL for configuration Rule ID Enter the rule ID Operation Select the operation for the switch to process packets which match the rules e Permit Forward packets e Deny Discard Packets 138 S MAC D MAC MASK Enter the source MAC address contained in the rule Enter the destina
144. he time adding in minutes when Daylight Saving Time comes e Start End Time Select starting time and ending time of Daylight Saving Time When the DST is disabled the predefined mode recurring mode and date mode cannot be configured When the DST is enabled the default daylight saving time is of European in predefined mode 4 1 5 System IP Each device in the network possesses a unique IP Address You can log on to the Web management page to operate the switch using this IP Address The switch supports three modes to obtain an IP address Static IP DHCP and BOOTP The IP address obtained using a new mode will replace the original IP address On this page you can configure the system IP of the switch 17 Choose the menu System System Info Syste m IP to load the following page IP Config MAC Address IP Address Mode Management VLAN IP Address Subnet Mask Default Gateway Note 6C 62 6D F5 AC BB Static IP O DHCP O BOOTP WLAN ID 1 4094 Apply 192 168 0 1 255 255 255 0 Changing IP address to a different IP segment will interrupt the network communication so please keep the new IP address in the same IP segment with the local network Figure 4 7 System IP The following entries are displayed on this screen gt IP Config MAC Address IP Address Mode Management VLAN IP Address Subnet Mask Default Gateway Mote 1 Displays MAC Address of the s
145. hen the two can communicate with each other after successful authentication This switch supports SSH server and you can log on to the switch via SSH connection using SSH client software SSH key can be downloaded into the switch If the key is successfully downloaded the certificate authentication will be preferred for SSH access to the switch Choose the menu System Access Security gt SSH Config to load the following page Global Config SSH Protocol V1 Protocol V2 Idle Timeout Max Connect Key Download Enable Disable O Enable Disable Enable Disable Apply 120 sec 1 120 5 1 5 Choose the SSH public key file to download into switch Key Type Key File Note SSH 2 RSAIDSA Browse It will take a long time to download the key file Please wait without any operation Figure 4 20 SSH Config The following entries are displayed on this screen gt Global Config SSH Protocol V1 Protocol V2 Idle Timeout Max Connect Select Enable Disable SSH function Select Enable Disable SSH V1 to be the supported protocol Select Enable Disable SSH V2 to be the supported protocol Specify the idle timeout time The system will automatically release the connection when the time is up The default time is 120 seconds Specify the maximum number of the connections to the SSH server No new connection will be established when the number of the connections
146. his IPv6 multicast address contains an embedded RP address When this bit is set to 1 the P and T bits must also be set to 1 3 P Set to 0 to indicate this IPv6 multicast address is not based on a unicast prefix set to 1 to indicate this IPv6 multicast address is based on a unicast prefix When this bit is set to 1 the T bit must also be set to 1 4 T Set to O to indicate that this address is an IPv6 multicast address permanently assigned by the Internet Assigned Numbers Authority IANA set to 1 to indicate that this address is a transient or dynamically assigned IPv6 multicast address e Scope is a 4 bit value used to limit the scope of the multicast group The values are as follows C Table 8 2 Indications of the Scope e Group ID 112 bits IPv6 multicast group identifier that uniquely identifies an IPv6 multicast group in the scope defined by the Scope field 93 Reserved Multicast Addresses pon IN pen umae po umero Fae Fee All link local IPv6 routers All site local IPv6 routers F X ranges from O to F These multicast addresses are reserved and shall never be assigned to any multicast group Table 8 3 Reserved IPv6 Multicast Addresses FFO1 1 FFO2 1 FFO1 2 FFO2 2 FF05 2 FOX The solicited node multicast address is a multicast group that corresponds to an IPv6 unicast or anycast address It is usually used for obtaining the Layer 2 link layer addresses of neighboring nodes within th
147. his mode the queue with higher priority will occupy the whole bandwidth Packets in the queue with lower priority are sent only when the queue with higher priority is empty WRR M ode Weight Round Robin Mode In this mode packets in all the queues are sent in order based on the weight value for each queue The weight value ratio of TCO TC1 TC2 and TC3 is 1 2 4 8 126 SP WRR Mode Equ Mode Strict Priority Weight Round Robin Mode In this mode this switch provides two scheduling groups SP group and WRR group Queues in SP group and WRR group are scheduled strictly based on strict priority mode while the queues inside WRR group follow the WRR mode In SP WRR mode TC3 is in the SP group TCO TC1 and TC2 belong to the WRR group and the weight value ratio of TCO TC1 and TC2 is 1 2 4 In this way when scheduling queues the switch allows TC3 to occupy the whole bandwidth following the SP mode and the TCO TC1 and TC2 in the WRR group will take up the bandwath according to their ratio 1 2 4 Equal Mode In this mode all the queues occupy the bandwidth equally The weight value ratio of all the queues is 1 1 1 1 9 2 Bandwidth Control Bandwidth function allowing you to control the traffic rate and broadcast flow on each port to ensure network in working order can be implemented on Rate Limit and Storm Control pages 9 2 1 Rate Limit Rate limit functions to control the ingress egress traffic rate on each port via configuring
148. ially for voice data stream By configuring Voice VLANs and adding the ports with voice devices attached to voice VLANs you can perform QoS related configuration for voice data ensuring the transmission priority of voice data stream and voice quality gt OUl Address Organizationally unique identifier address The switch can determine whether a received packet is a voice packet by checking its source MAC address If the source MAC address ofa packet complies with the OUI addresses configured by the system the packet is determined as voice packet and transmitted in voice VLAN An OUI address is a unique identifier assigned by IEEE Institute of Electrical and Electronics Engineers to a device vendor It comprises the first 24 bits of a MAC address You can recognize which vendor a device belongs to according to the OUI address The following table shows the OUI addresses of several manufacturers The following OUI addresses are preset of the switch by default tamos suas fre e fons ooann eve prore Table 9 1 OUI addresses on the switch gt Port Voice VLAN Mode Avoice VLAN can operate in two modes automatic mode and manual mode Automatic Mode In this mode the switch automatically adds a port which receives voice packets to voice VLAN and determines the priority of the packets through learning the source MAC of the UNTAG packets sent from IP phone when it is powered on The aging time of voice VLAN can be configured on the
149. ic TLV 1 Basic Management TLV A set of TLVs considered to be basic to the management of the network stations are required for all LLDP implementations 2 Organizationally Specific TLV Different organizations have defined various TLVs For instance Port VLAN ID TLV Port and Protocol VLAN ID TLV VLAN Name TLV And Protocol Identity TLV are defined by IEEE 802 1 while MAC PHY Configuration Status TLV Power Via MDI TLV Link Aggregation TLV and Maximum Frame TLV are defined by IEEE 802 3 Some specific TLVs are for LLDP MED protocol such as LLDP MED Capabilities TLV Network Policy TLV Extended Power via MDI TLV Hardware Revision TLV and so on 170 GBo For detailed introduction of TLV please refer to IEEE 802 1AB standard and ANSI TIA 1057 In TP LINK switch the following LLDP optional TLVs are supported Port Description TLV The Port Description TLV allows network management to advertise the IEEE 802 LAN station s port description System Capabilities TLV The System Capabilities TLV identifies the primary functions of the system and whether or not these primary functions are enabled System Description TLV The System Description TLV allows network management to advertise the system s description which should include the full name and version identification of the system s hardware type software operating system and networking software System Name TLV The System Name TLV allows network management to advertise the
150. icast VLAN will take effect when the corresponding VLAN has been created in VLAN Config page O Enable Disable O Enable Disable O Forward Discard 260 sec 1 1000 Apply 1260 sec 200 1000 Cueto y Help 1 sec 1 5 2 1 7 O Enable Disable 1 1 4094 The following entries are displayed on this screen gt Global Config MLD Snooping Report Message Suppression Unknown Multicast Filter Router Port Aging Time Member Port Aging Time Last Listener Query Interval Last Listener Query Count Enable or disable MLD Snooping function globally Enable or disable Report Message Suppression function globally If this function is enabled the first Report Message from the listener will forward to the router ports while the subsequent Report Message from the group will be suppressed to reduce the MLD traffic in the network Choose to forward or drop unknown multicast data Unknown IPv6 multicast packets refer to those packets without corresponding forwarding entries in the IPv6 multicast table When unknown multicast filter is enabled the switch will discard all received unknown IPv6 multicast packets When unknown multicast filer is disabled all unknown multicast packets are flooded in the ingress VLAN IPv6 Enter the global router port aging time If the router port does not receive Query Message in the aging time it will be aged Enter the global member port aging ti
151. igure the S MAC as 00 64 A5 5D 12 C3 and mask as FF FF FF FF FF FF On ACL gt Policy Config Policy Create page create a policy named manager On ACL gt Policy Config Action Create page add ACL 11 to Policy manager On ACL gt Policy Binding Port Binding page select Policy manager to bind to port 3 145 EC oeseri aaa Configure for On ACL ACL Config ACL Create page create ACL 100 requirement 2 On ACL ACL Config Standard IP ACL page select ACL 100 and 4 create Rule 1 configure operation as Deny configure S IP as 10 10 70 0 and mask as 255 255 255 0 configure D IP as 10 10 50 0 and mask as 255 255 255 0 On ACL gt ACL Config Standard IP ACL page select ACL 100 create Rule 2 configure operation as Deny configure S IP as 10 10 70 0 and mask as 255 255 255 0 configure D IP as 10 10 88 5 and mask as 255 255 255 255 On ACL gt ACL Config Standard IP ACL page select ACL 100 create Rule 3 configure operation as Permit configure S IP as 10 10 70 0 and mask as 255 255 255 0 configure D IP as 10 10 88 5 and mask as 255 255 255 255 On ACL gt Policy Config Policy Create page create a policy named limit1 On ACL Policy Config lt Action Create page add ACL 100 to Policy limit1 On ACL gt Policy Binding Port Binding page select Policy limit1 to bind to port 3 Configure for On ACL gt ACL Config ACL Create page create ACL 101 requirement 3 On ACL ACL Config Standard IP ACL page
152. ines the max power the corresponding port can supply Class 0 1w 30w represents 4w Class2 represents 7w Class3 represents 15 4w and Class4 represents 30w Time Range Select the time range for the PoE port to supply power If No limit is selected the PoE port will supply power all the time POE Profile Select the profile you want to apply to the selected port If a PoE Profile is selected the three attributes including PoE Status PoE Priority and Power Limit are not available Power W Displays the port s real time power supply Current mA Displays the port s real time current Voltage V Displays the port s real time voltage PD Class Displays the class the linked PD Powered Device belongs to Power Status 11 1 2 PoE Profile Displays the port s real time power status PoE Power over Ethernet Profile is a short cut for the configuration of the PoE port You can create some profiles to be applied to the ports In a profile the PoE status PoE priority and Power limit are configured Choose the menu PoE gt PoE Config Profile Profile to load the following page Create PoE Profile Profile Name L PoE Status O Enable Disable PoE Priority High v Power Limit Auto v PoE Profile Select Profile Name PoE Status PoE Priority Figure 11 2 Profile Config The following items are displayed on this screen Power Limit w gt Create PoE Profile Profile Name Enter the name of the profile
153. ion Deserts 1 Create VLANs Create three VLANs with the VLAN ID 3 4 and 5 respectively and specify the description of VLAN3 as Multicast VLAN on VLAN gt 802 1Q VLAN page Configure ports On VLAN gt 802 1Q VLAN function pages For port 3 configure its link type as GENERAL and its egress rule as TAG and add it to VLAN3 VLAN4 and VLANS For port 4 configure its link type as GENERAL and its egress rule as UNTAG and add it to VLAN3 and VLAN 4 For port 5 configure its link type as GENERAL and its egress rule as UNTAG and add it to VLAN3 and VLAN 5 Enable IGMP Enable IGMP Snooping function globally on Multicast gt IGM P Snooping function Snooping Snooping Config page Enable IGMP Snooping function for port 3 port4 and port 5 on Multicast IGMP Snooping gt Port Config page Enable Multicast Enable Multicast VLAN configure the VLAN ID of a multicast VLAN VLAN as 3 and keep the other parameters as default on Multicast IGMP Snooping Multicast VLAN page Check Multicast VLAN 3 5 and Multicast VLAN 3 will be displayed in the IGMP Snooping Status table on the Multicast gt IGM P Snooping Snooping Config page 8 1 6 Static Multicast IP Static Multicast IP table isolated from dynamic multicast group and multicast filter is not learned by IGMP Snooping It can enhance the quality and security for information transmission in some fixed multicast groups 104 Choose the menu Multicast IGMP Snooping S
154. itch processes untagged packets based on the default priority mode 3 DSCP Priority IPv4 datagram 2 O ela Coda Point DSCP Figure 9 3 IP datagram DiffServ As shown in the figure above the ToS Type of Service in an IP header contains 8 bits The first three bits indicate IP precedence in the range of 0 to 7 RFC2474 re defines the ToS field in the IP packet header which is called the DS field The first six bits bit O bit 5 of the DS field indicate DSCP precedence in the range of 0 to 63 The last 2 bits bit 6 and bit 7 are reserved On the Web management page you can configure different DS field mapping to the corresponding priority levels Non IP datagram with 802 1Q tag are mapped to different priority levels based on 802 1P priority mode the untagged non IP datagram are mapped based on port priority mode gt Schedule Mode When the network is congested the problem that many packets compete for resources must be solved usually in the way of queue scheduling The switch implements four scheduling queues TCO TC1 TC2 and TC3 TCO has the lowest priority while TC3 has the highest priority The switch provides four schedule modes SP WRR SP WRR and Equ 1 SP Mode Strict Priority Mode In this mode the queue with higher priority will occupy the whole bandwidth Packets in the queue with lower priority are sent only when the queue with higher priority is empty The switch has four egress queues labeled as TCO
155. itch will restore the setting to the default 18 4 If DHCP or BOOTP option is selected the switch will get network parameters dynamically from the Internet which means that IP address subnet mask and default gateway cannot be configured 5 By default the IP address is 192 168 0 1 4 1 6 System IPv6 IPv6 Internet Protocol version 6 also called IPng IP next generation was developed by the IETF Internet Engineering Task Force as the successor to IPv4 Internet Protocol version 4 Compared with IPv4 IPv6 increases the IP address size from 32 bits to 128 bits this solves the IPv4 address exhaustion problem gt IPv6 features IPv6 has the following features 1 Adequate address space The source and destination IPv6 addresses are both 128 bits 16 bytes long IPv6 can provide 3 4 x 10 addresses to completely meet the requirements of hierarchical address division as well as allocation of public and private addresses Header format simplification IPv6 cuts down some IPv4 header fields or move them to IPv6 extension headers to reduce the load of basic IPv6 headers thus making IPv6 packet handling simple and improving the forwarding efficiency Although the IPv6 address size is four times that of IPv4 addresses the size of basic IPv6 headers is 40 bytes and is only twice that of IPv4 headers excluding the Options field Flexible extension headers IPv6 cancels the Options field in IPv4 packets but introduces multip
156. itching MAC Address gt Dynamic Address to load the following page Aging Config Auto Aging Enable Disable Apply Aging Time 300 sec 10 630 default 300 Search Option Search Option All _ Dynamic Address Table Select MAC Address VLAN ID Port Type Aging Status oO 6C 62 6D F5 9D 86 1 2 Dynamic Aging Total MAC Address 1 Note The maximum ofthe displayed entries is 100 by default please click the Search button to get the complete address entries Figure 5 15 Dynamic Address The following entries are displayed on this screen gt Aging Config Auto Aging Allows you to Enable Disable the Auto Aging feature 58 Aging Time Enter the Aging Time for the dynamic address gt Search Option Search Option Select a Search Option from the pull down list and click the Search button to find your desired entry in the Dynamic Address Table e MAC Enter the MAC address of your desired entry e VLAN ID Enter the VLAN ID number of your desired entry e Port Enter the Port number of your desired entry e LAG ID Enter the LAG ID of your desired entry gt Dynamic Address Table Select Select the entry to delete the dynamic address or to bind the MAC address to the corresponding port statically It is multi optional MAC Address Displays the dynamic MAC Address VLAN ID Displays the corresponding VLAN ID of the MAC address Port Displays the corresponding port number of the MAC address Type
157. k and the laptops are widely used and the locations of the PCs are always changed Therefore the corresponding IP address of the PC should be updated with a few configurations DHCP Dynamic Host Configuration Protocol functions to solve the above mentioned problems However during the working process of DHCP generally there is no authentication mechanism between Server and Client If there are several DHCP servers in the network network confusion and security problem will happen To protect the switch from being attacked by illegal DHCP servers you can configure the desired ports as trusted ports and only the clients connected to the trusted ports can receive DHCP packets from DHCP severs Here the DHCP Filtering function performs to monitor the process of hosts obtaining IP addresses from DHCP servers gt DHCP Working Principle DHCP works via the Client Server communication mode The Client applies to the Server for configuration The Server assigns the configuration information such as the IP address to the Client so as to reach a dynamic employ of the network source A Server can assign IP address for several Clients which is illustrated in the following figure DHCP Server Access Layer Switch Central Switch Tu DHCP Client 1 DHCP Client 2 DHCP Client 3 DHCP Client 4 Figure 5 17 Network diagram of DHCP For different DHCP clients DHCP server provides three IP address assigning methods 1 Manually assign the I
158. k configuration workload for the host is reduced VLAN can be used to group specific hosts When the physical position of a host changes within the range of the VLAN you do not need to change its network configuration A VLAN can span across multiple switches or even routers This enables hosts in a VLAN to be dispersed in a looser way That is hosts in a VLAN can belong to different physical network segments This switch supports 802 1Q VLAN to classify VLANs VLAN tags in the packets are necessary for the switch to identify packets of different VLANs 64 6 1 802 1Q VLAN VLAN tags in the packets are necessary for the switch to identify packets of different VLANs The switch works at the data link layer in OSI model and it can identify the data link layer encapsulation of the packet only so you can add the VLAN tag field into the data link layer encapsulation for identification In 1999 IEEE issues the IEEE 802 1Q protocol to standardize VLAN implementation defining the structure of VLAN tagged packets IEEE 802 1Q protocol defines that a 4 byte VLAN tag is encapsulated after the destination MAC address and source MAC address to show the information about VLAN As shown in the following figure a VLAN tag contains four fields including TPID Tag Protocol Identifier Priority CFl Canonical Format Indicator and VLAN ID VLAN Tag Figure 6 2 Format of VLAN Tag 1 TPID TPID is a 16 bit field indicating that this data frame is VLA
159. l Configure rate limit feature to control the traffic rate on each port configure storm control feature to filter broadcast multicast and UL frame in the network Voice VLAN Configure voice VLAN to transmit voice data stream within the specified VLAN so as to ensure the transmission priority of voice data stream and voice quality Chapter 10 ACL This module is used to configure match rules and process policies of packets to filter packets in order to control the access of the illegal users to the network Here mainly introduces e ACL Config ACL rules e Policy Config Configure operation policies e Policy Binding Bind the policy to a port VLAN to take its effect on a specific port VLAN Chapter 11 PoE This module is used to configure the PoE function for the switch to supply power for PD devices Here mainly introduces e PoE Config Configure PoE function globally e PoE Time Range Configure the effective time for PoE port to supply power Chapter 12 SNMP This module is used to configure SNMP function to provide a management frame to monitor and maintain the network devices Here mainly introduces SNMP Config Configure global settings of SNMP function Notification Configure notification function for the management station to monitor and process the events RMON Configure RMON function to monitor network more efficiently Chapter 13 LLDP This module is used to configure LLDP function to provide information for SNMP app
160. l address configuration mode e Manual When this option is selected you should assign a link local address manually e Auto When this option is selected the switch will generate a link local address automatically Link local Address Enter a link local address Status Displays the status of the link local address e Normal Indicates that the link local address is normal e Try Indicates that the link local address may be newly configured e Repeat Indicates that the link local address is duplicate It is illegal to access the switch using the IPv6 address including link local and global address Global Address Autoconfig via RAMessage Enable global When this option is enabled the switch automatically configures a address auto global address and other information according to the address configuration via RA prefix and other configuration parameters from the received message RA Router Advertisement message Global Address Autoconfig via DHCPv6 Server Enable Global When this option is enabled the system will try to obtain the Address Autoconfig global address from the DHCPv6 Server via DHCPv6 Server Add a global address manually Address Format You can select the global address format according to your requirements e EUI 64 Indicates that you only need to specify an address prefix and then the system will create a global address automatically e Not EUI 64 Indicates that you have to specify an intact glo
161. le extension headers In this way IPv6 enhances the flexibility greatly to provide scalability for IP while improving the handling efficiency The Options field in IPv4 packets contains 40 bytes at most while the size of IPv6 extension headers is restricted by that of IPv6 packets Built in security IPv6 uses IPSec as its standard extension header to provide end to end security This feature provides a standard for network security solutions and improves the interoperability between different IPv6 applications Automatic address configuration To simplify the host configuration IPv6 supports stateful and stateless address configuration e Stateful address configuration means that a host acquires an IPv6 address and related information from a server for example DHCP server e Stateless address configuration means that a host automatically configures an IPv6 address and related information on basis of its own link layer address and the prefix information advertised by a router In addition a host can generate a link local address on basis of its own link layer address and the default prefix FE80 64 to communicate with other hosts on the link Enhanced neighbor discovery mechanism The IPv6 neighbor discovery protocol is a group of Internet control message protocol version 6 ICMPv6 messages that manages the information exchange between neighbor nodes on the same link The group of ICMPv6 19 messages takes the place of A
162. lect the mode how the switch processes the detected loops e Alert When a loop is detected display an alert e Port based When a loop is detected display an alert and block the port Recovery Mode Select the mode how the blocked port recovers to normal status e Auto Block status can be automatically removed after recovery time e Manual Block status only can be removed manually Loop Status Displays the port status whether a loopback is detected Block Status Displays the port status about block or unblock LAG Displays the LAG number the port belongs to Manual Recover Manually remove the block status of selected ports Adore 1 Recovery Mode is not selectable when Alert is chosen in Operation Mode 2 Loopback Detection must coordinate with storm control 5 2 LAG LAG Link Aggregation Group is to combine a number of ports together to make a single high bandwidth data path so as to implement the traffic load sharing among the member ports in the group and to enhance the connection reliability For the member ports in an aggregation group their basic configuration must be the same The basic configuration includes STP QoS VLAN port attributes MAC Address Learning mode and other associated settings More details are explained below e f the ports which are enabled for the 802 1Q VLAN STP QoS and Port Configuration Speed and Flow Control are in a LAG their configurations should be the same e The po
163. lications to simplify troubleshooting Here mainly introduces e Basic Config Configure the LLDP parameters of the device e Device Info View the LLDP information of the local device and its neighbors e Device Statistics View the LLDP statistics of the local device e LLDP MED Configure LLDP MED parameters of the device Chapter Introduction Chapter 14 Maintenance This module is used to assemble the commonly used system tools to manage the switch Here mainly introduces System Monitor Monitor the memory and CPU of the switch Log View configuration parameters on the switch Device Diagnostics Test the connection status of the cable connected to the switch test if the port of the switch and the connected device are available Network Diagnostics Test if the destination is reachable and the account of router hops from the switch to the destination AppendixA Specifications Lists the hardware specifications of the switch Appendix B Configure the PCs Introduces how to configure the PCs Appendix C Glossary Lists the glossary used in this manual Return to CONTENTS Chapter 2 Introduction Thanks for choosing the TL SG2216 TL SG2424 TL SG2424P TL SG2452 Gigabit Smart Switch 2 1 Overview of the Switch Designed for workgroups and departments TL SG2216 TL SG2424 TL SG2424P TL SG2452 from TP LINK provides wire speed performance and full set of layer 2 management features It provides a variety of service features
164. lick the Select button to quick select the corresponding port based on the port number you entered Select the desired port for STP configuration It is multi optional Displays the port number of the switch Select Enable Disable STP function for the desired port Enter a value from O to 240 divisible by 16 Port priority is an important criterion on determining if the port connected to this port will be chosen as the root port The lower value has the higher priority ExtPath Cost is used to choose the path and calculate the path costs of ports in different MST regions It is an important criterion on determining the root port The lower value has the higher priority IntPath Cost is used to choose the path and calculate the path costs of ports in an MST region It is an important criterion on determining the root port The lower value has the higher priority Select Enable Disable Edge Port The edge port can transit its state from blocking to forwarding rapidly without waiting for forward delay Select the P2P link status If the two ports in the P2P link are root port or designated port they can transit their states to forwarding rapidly to reduce the unnecessary forward delay Select Enable to perform MCheck operation on the port Unchange means no MCheck operation Displays the STP version of the port 78 Port Role Displays the role of the port played in the STP Instance e Root Port Indicates the port that has the
165. lowest path cost from this bridge to the Root Bridge and forwards packets to the root Designated Port Indicates the port that forwards packets to a downstream network segment or switch Master Port Indicates the port that connects a MST region to the common root The path from the master port to the common root is the shortest path between this MST region and the common root Alternate Port Indicates the port that can be a backup port of a root or master port Backup Port Indicates the port that is the backup port of a designated port e Disabled Indicates the port that is not participating in the STP Port Status Displays the working status of the port Forwarding In this status the port can receive forward data receive send BPDU packets as well as learn MAC address Learning In this status the port can receive send BPDU packets and learn MAC address Blocking In this status the port can only receive BPDU packets Disconnected In this status the port is not participating in the STP LAG Displays the LAG number which the port belongs to Mote 1 Configure the ports connected directly to terminals as edge ports and enable the BPDU protection function as well This not only enables these ports to transit to forwarding state rapidly but also secures your network 2 All the links of ports in a LAG can be configured as point to point links 3 When the link of a port is configured as a point to point link
166. lt value is 4 Enter a value from 1 to 8192 in seconds to specify the time for the local device to transmit LLDPDU to its neighbors after changes occur so as to prevent LLDPDU being sent frequently The default value is 2 This parameter indicates the amount of delay from when LLDP status becomes disable until re initialization will be attempted The default value is 3 Specify the interval of Trap message which will be sent from local device to network management system The default value is 5 172 13 1 2 Port Config Fast Start Times When the ports LLDP state transforms from Disable or Rx_Only to Tx amp Rx or Tx_Only the fast start mechanism will be enabled that is the transmit interval will be shorten to a second and several LLDPDUs will be sent out the number of LLDPDUs equals this parameter The default value is 3 On this page you can configure all ports LLDP parameters Choose the menu LLDP Basic Config Port Config to load the following page LLDP Port Config Select Port 0 40 0 a Qi m a ke He Pot Select Admin Status Notification Mode Included TL s Disable v Disable v TL Rx Disable Detail A TERK Disable Detail TERK Disable Detail TX amp RX Disable Detail TX amp RX Disable Detail TX amp RX Disable Detail TERK Disable Detail TERK Disable Detail Tx amp RX Disable Detail 1 TX amp RX Disable Detail TX amp RX Disable Detail Tx amp RX Disable Detail TERK Disable De
167. ly until it receives voice streams The following entries are displayed on this screen gt Port Config Port Select Select Port Port Mode Security Mode Member State LAG 9 3 3 OUI Config Click the Select button to quick select the corresponding port based on the port number you entered Select the desired port for voice VLAN configuration It is multi optional Displays the port number of the switch Select the mode for the port to join the voice VLAN Auto In this mode the switch automatically adds a port to the voice VLAN or removes a port from the voice VLAN by checking whether the port receives voice data or not Manual In this mode you can manually add a port to the voice VLAN or remove a port from the voice VLAN Configure the security mode for forwarding packets e Disable All packets are forwarded e Enable Only voice data are forwarded Displays the state of the port in the current voice VLAN Displays the LAG number which the port belongs to The switch supports OUI creation and adds the MAC address of the special voice device to the OUI table of the switch The switch determines whether a received packet is a voice packet by checking its OUI address The switch analyzes the received packets If the packets recognized as voice packets the access port will be automatically added to the Voice VLAN 134 Choose the menu QoS gt Voice VLAN OUI Config to load the following page
168. m Reboot On this page you can reboot the switch and return to the login page Please save the current configuration before rebooting to avoid losing the configuration unsaved Choose the menu System System Tools System Reboot to load the following page System Reboot Save Config Reboot Note To avoid damage please dontturn off the device while rebooting Adore To avoid damage please don t turn off the device while rebooting 4 3 5 System Reset On this page you can reset the switch to the default All the settings will be cleared after the switch is reset Figure 4 16 System Reboot Choose the menu System System Tools System Reset to load the following page System Reset Reset Note The System Reset option will restore the configuration to default and your current settings will be lost Figure 4 17 System Reset Mote After the system is reset the switch will be reset to the default and all the settings will be cleared 4 4 Access Security Access Security provides different security measures for the remote login so as to enhance the configuration management security It can be implemented on Access Control SSL Config and SSH Config pages 4 4 1 Access Control On this page you can control the users logging on to the Web management page to enhance the configuration management security The definitions of Admin and Guest refer to 4 2 User Management 31 Choose the menu System Access Securi
169. me If the member port does not receive Report Message in the aging time it will be aged Enter the Last Listener Query interval time When the multicast group has no more member ports it will send the Specific Query Message with this interval time to check whether there is another listener Enter the Last Listener Query numbers When the multicast group has no more member ports it will send this numbers of Specific Query Message to check whether there is another listener 109 Multicast VLAN Enable or disable multicast VLAN function When multicast VLAN is enabled all multicast data will forward in this VLAN if this port belongs to the VLAN Multicast VLAN ID Enter the multicast VLAN ID Ea When Unknown Multicast Filter is configured the Unknown Multicast function in IGMP Snooping is also configured at the same time 2 Configurations of the Router Port Aging Time and Member Port Aging Time in 8 2 2 VLAN Config override their global configurations here 3 Before creating a Multicast VLAN you should enable the MLD snooping function in this VLAN in 8 2 2 VLAN Config Configuration Procedure of Multicast VLAN operen respon 1 Create VLAN Required On the VLAN 2 gt 802 1Q VLAN gt VLAN Config page click the Create button to create a VLAN Enter the VLAN ID and the description for the VLAN Meanwhile specify its member ports Enable Snooping Required On the Multicast MLD Snooping Global globally Config
170. me Enter a value from 1 to 10 in seconds to specify the interval to send BPDU packets It is used to test the links 2 Hello Time 1 lt Max Age The default value is 2 seconds Max Age Enter a value from 6 to 40 in seconds to specify the maximum time the switch can wait without receiving a BPDU before attempting to reconfigure The default value is 20 seconds Forward Delay Enter a value from 4 to 30 in seconds to specify the time for the port to transit its state after the network topology is changed 2 Forward Delay 1 2 Max Age The default value is 15 seconds TxHold Count Enter a value from 1 to 20 to set the maximum number of BPDU packets transmitted per Hello Time interval The default value is 5pps Max Hops Enter a value from 1 to 40 to set the maximum number of hops that occur in a specific region before the BPDU is discarded The default value is 20 hops Mdote 1 The forward delay parameter and the network diameter are correlated A too small forward delay parameter may result in temporary loops A too large forward delay may cause a network unable to resume the normal state in time The default value is recommended An adequate hello time parameter can enable the switch to discover the link failures occured in the network without occupying too much network resources A too large hello time parameter may result in normal links being regarded as invalid when packets drop occurred in the links which in tum result i
171. mmunity Config Community Name Access MIB View gt Community Table Select Community Name Access MIB View Operation Adore Enter the Community Name here Defines the access rights of the community read only Management right of the Community is restricted to read only and changes cannot be made to the corresponding View read write Management right of the Community is read write and changes can be made to the corresponding View Select the MIB View for the community to access Select the desired entry to delete the corresponding Community It is multi optional Displays the Community Name here Displays the right of the Community to access the View Displays the Views which the Community can access Click the Edit button to modify the MIB View and the Access right of the Community and then click the Modify button to apply The default MIB View of SNMP Community is viewDefault 160 Configuration Procedure e If SNMPv3 is employed please take the following steps Enable SNMP function globally Required On the SNMP gt SNMP Config Global Config page enable SNMP function globally Create SNMP View Required On the SNMP SNMP Config SNMP View page create SNMP View of the management agent The default View Name is viewDefault and the default OID is 1 Create SNMP Group Required On the SNMP gt SNMP Config SNMP Group page create SNMP Group for SNMPv3 and specify SNMP Vie
172. mode will be displayed in the Static Address Table 56 Choose the menu Switching M AC Address Static Address to load the following page Create Static Address MAC Address VLAN ID Port Search Option Search Option Format 00 00 00 00 00 01 1 4094 Poti v All a Static Address Table Select MAC Address VLAN ID Port Type Aging Status O Poti wv Total MAC Address 0 Note The maximum ofthe displayed entries is 100 by default please click the Search button to get the complete address entries Figure 5 14 Static Address The following entries are displayed on this screen gt Create Static Address MAC Address VLAN ID Port Search Option Search Option Static Address Table Select MAC Address VLAN ID Port Type Enter the static MAC Address to be bound Enter the corresponding VLAN ID of the MAC address Select a port fromthe pull down list to be bound Select a Search Option from the pull down list and click the Search button to find your desired entry in the Static Address Table e MAC Enter the MAC address of your desired entry e VLAN ID Enter the VLAN ID number of your desired entry e Port Enter the Port number of your desired entry Select the entry to delete or modify the corresponding port number It is multi optional Displays the static MAC Address Displays the corresponding VLAN ID of the MAC address Displays the correspondi
173. n log on to the Web management page via https 192 168 0 1 For the first time you use HTTPS connection to log into the switch with the default certificate you will be prompted that The security certificate presented by this website was not issued by a trusted certificate authority or Certificate Errors Please add this certificate to trusted certificates or continue to this website The switch also supports HTTPS connection for IPv6 After configuring an IPv6 address for example 3001 1 for the switch you can log on to the switch s Web management page via https 3001 1 On this page you can configure the SSL function 33 Choose the menu System Access Security gt SSL Config to load the following page Global Config SSL Enable Disable Certificate Download Certificate File Browse Key Download Note 1 The SSL certificate and key downloaded will not take effect until the switch is rebooted 2 The SSL certificate and key downloaded must match each other otherwise the HTTPS connection will not work Figure 4 19 SSL Config The following entries are displayed on this screen gt Global Config SSL Select Enable Disable the SSL function on the switch gt Certificate Download Certificate File Select the desired certificate to download to the switch The certificate must be BASE64 encoded gt Key Download Key File Select the desired SSL Key to download to the switch
174. n spanning tree being regenerated A too small hello time parameter may result in duplicated configuration being sent frequently which increases the network load of the switches and wastes network resources The default value is recommended A too small max age parameter may result in the switches regenerating spanning trees frequently and cause network congestions to be falsely regarded as link problems A too large max age parameter result in the switches unable to find the link problems in time which in turn handicaps spanning trees being regenerated in time and makes the network less adaptive The default value is recommended If the TxHold Count parameter is too large the number of MSTP packets being sent in each hello time may be increased with occupying too much network resources The default value is recommended 76 7 1 2 STP Summary On this page you can view the related parameters for Spanning Tree function Choose the menu Spanning Tree STP Config STP Summary to load the following page STP Summary STP Status Disable STP Version Local Bridge Root Bridge External Path Cost Region Root Internal Path Cost Designated Bridge Root Port Latest TC Time TC Count 0 MSTP Instance Summary Instance ID 1v Instance Status Disable Local Bridge Region Root Internal Path Cost Designated Bridge Root Port Latest TC Time TC Count
175. n to CONTENTS 191 Appendix B Configuring the PCs In this section we ll introduce how to install and configure the TCP IP correctly in Windows 2000 and TCP IPv6 in WIN7 First make sure your Ethernet Adapter is working refer to the adapter s manual if necessary 1 In IPv4 network 1 On the Windows taskbar click the Start button and then click Control Panel 2 Click the Network and Internet Connections icon and then click on the Network Connections tab in the appearing window 3 Right click the icon that showed below select Properties on the prompt page LAN or High Speed Internet Disa Status Repair Bridge Connections Create Shortcut Delete Rename Properties Figure B 1 4 In the prompt page that showed below double click on the Internet Protocol TCP IP 192 4 Local Area Connection Properties General Authentication Advanced Connect using E9 Realtek RTL8139 Family PCI Fast Ett This connection uses the following items QoS Packet Scheduler GF AEGIS Protocol IEEE 802 1 v3 4 3 0 Internet Protocol TCP IP SKK EA Install Uninstall Properties Description Transmission Control Protocol Internet Protocol The default wide area network protocol that provides communication across diverse interconnected networks J Show icon in notification area when connected Y Notify me when this connection has limited or
176. nding operations in the policy Choose the menu ACL gt Policy Config Policy Summary to load the following page Select Options Selecta Policy v Action Table Select Index ACL ID Al Figure 10 6 Policy Summary The following entries are displayed on this screen gt Search Option Select Policy Select name of the desired policy for view If you want to delete the desired policy please click the Delete button gt Action Table Select Select the desired entry to delete the corresponding policy Index Displays the index of the policy ACL ID Displays the ID of the ACL contained in the policy 10 2 2 Policy Create On this page you can create the policy Choose the menu ACL gt Policy Config Policy Create to load the following page Create Policy Policy Name Figure 10 7 Create Policy The following entries are displayed on this screen gt Create Policy Policy Name Enter the name of the policy 141 10 2 3 Action Create On this page you can add ACLs for the policy Choose the menu ACL gt Policy Config Action Create to load the following page Create Action Select Policy Select Policy l Y Select ACL Select ACL A Figure 10 8 Action Create The following entries are displayed on this screen gt Create Action Select Policy Select the name of the policy Select ACL Select the ACL for configuration in the policy 10 3 Policy Binding Policy Binding function can
177. ne Default ID Local Engine ID 20002e57036c626df5achb 10 64 Hex Apply Remote Engine O Apply Remote Engine ID Oor10 64 Hex Help Note The total hexadecimal characters of Engine ID should be even Figure 12 3 Global Config The following entries are displayed on this screen gt Global Config SNMP Enable Disable the SNMP function gt Local Engine Local Engine ID Specify the switch s Engine ID for the remote clients The Engine ID is a unique alphanumeric string used to identify the SNMP engine on the switch gt Remote Engine Remote Engine ID Specify the Remote Engine ID for switch The Engine ID is a unique alphanumeric string used to identify the SNMP engine on the remote device which receives traps and informs from switch 155 Mote The amount of Engine ID characters must be even 12 1 2 SNMP View The OID Object Identifier of the SNMP packets is used to describe the managed objects of the switch and the MIB Management Information Base is the set of the OIDs The SNMP View is created for the SNMP management station to manage MIB objects Choose the menu SNMP gt SNMP Config SNMP View to load the following page View Config View Name 16 characters maximum MIB Object ID 61 characters maximum View Type Include Exclude View Table Select View Name View Type MIB Object ID O viewDefault Include 1 O viewDefault Exclude 1 3 6 1 6 3 15 O viewDefault Exclude 1 3
178. nected to a data diagnose device which is used to analyze the mirrored packets for monitoring and troubleshooting the network Choose the menu Switching Port Port Mirror to load the following page Mirror Group List Group Mirroring Mode Mirrored Port Operation Ingress MA 1 0 Edit Egress gt Ingress z 2 0 Edit Egress Ingress da 3 0 Edit Egress Ingress 4 0 Edit Egress e Figure 5 2 Mirror Group List 41 The following entries are displayed on this screen gt Mirror Group List Group Displays the mirror group number Mirroring Mode Displays the mirror mode The value will be Ingress or Egress Mirrored Port Operation Click Edit to display the following figure Mirror Group Number 1 v Mirroring Port Mirroring Port Disable v Displays the mirrored ports Displays the mirroring port number Click Edit to configure the mirror group Mirrored Port Port Select Port Ingress Egress LAG O Disable v Disable v O 1 Disable Disable a O 2 Disable Disable O 3 Disable Disable O 4 Disable Disable O 5 Disable Disable O 6 Disable Disable O 7 Disable Disable O 8 Disable Disable O g Disable Disable O 10 Disable Disable O 11 Disable Disable O 12 Disable Disable Apply Figure 5 3 Port Mirror Config The following entries are displayed on this screen gt MirrorGroup Number Select the mirror group number you want to confi
179. nfig Restore to load the following page Config Restore Restore the config from the saved config file Select a backup config file and click the Restore Config button and then you can restore to the previous config Config file Browse Note It will take a long time to restore the config file Please wait without any operation Figure 4 13 Config Restore The following entries are displayed on this screen gt Config Restore Restore Config Click the Restore Config button to restore the backup configuration file It will take effect after the switch automatically reboots Mote 1 It will take a few minutes to restore the configuration Please wait without any operation 2 To avoid any damage please don t power down the switch while being restored 3 After being restored the current settings of the switch will be lost Wrong uploaded configuration file may cause the switch unmanaged 4 3 2 Config Backup On this page you can download the current configuration and save it as a file to your computer for your future configuration restore 29 Choose the menu System System Tools Config Backup to load the following page Config Backup Backup System Config Click the button Backup Config you can save the config to you computer Note It will take a long time to backup the config file Please wait without any operation Figure 4 14 Config Backup The following entries are displayed on this screen
180. nfigure ACL rules to match packets Configure Policy Required On ACL gt Policy Config configuration pages configure the policy to control the data packets those match the corresponding ACL rules Bind the policy to the Required On ACL gt Policy Binding configuration pages port VLAN bind the policy to the port VLAN to make the policy effective on the corresponding port VLAN Mote For TL SG2216 TL SG2424 TL SG2424P you can bind one policy to multiple VLANs but for TL SG2452 you can bind one policy to only one VLAN 10 4 Application Example for ACL gt Network Requirements 1 The manager of the R amp D department can access to the forum of the company and the Internet without any forbiddance The MAC address of the manager is 00 64 A5 5D 12 C3 144 2 The staff of the R amp D department cannot access to the Internet but can visit the forum 3 The staff of the marketing department can access to the Internet but cannot visit the forum 4 The R amp D department and marketing department cannot communicate with each other gt Network Diagram Switch WE ZE Ge RU 10 10 88 5 00 64 A5 32 4C 12 Marketing Department R amp D Department 10 10 70 0 10 10 50 0 Manager 00 64 A5 5D 12 C3 gt Configuration Procedure Configure for On ACL gt ACL Config ACL Create page create ACL 11 requirement 1 On ACL ACL Config MAC ACL page select ACL 11 create Rule 1 configure the operation as Permit conf
181. nfigure the link type of the router ports as TRUNK or configure the egress rule as tagged GENERAL Configure parameters for Optional Enable and configure a multicast VLAN on the multicast VLAN Multicast IGMP Snooping Multicast VLAN page It is recommended to keep the default time parameters Look over the configuration If it is successfully configured the VLAN ID of the multicast VLAN will be displayed in the IGMP Snooping Status table on the Multicast gt IGMP Snooping Snooping Config page Application Example for Multicast VLAN gt Network Requirements Multicast source sends multicast streams via the router and the streams are transmitted to user A and user B through the switch Router lts WAN port is connected to the multicast source its LAN port is connected to the switch The multicast packets are transmitted in VLANS Switch Port 3 is connected to the router and the packets are transmitted in VLAN3 port 4 is connected to user Aand the packets are transmitted in VLAN4 port 5 is connected to user B and the packets are transmitted in VLAN5 User A Connected to Port 4 of the switch User B Connected to port 5 of the switch Configure a multicast VLAN and user A and B receive multicast streams through the multicast VLAN 103 gt Network Diagram Router Multicast Source Port 3 ort 3 Switch Port 4 Port 5 VLANS User A User B gt Configuration Procedure iop Opera
182. nform hosts of better first hop nodes on the path to a destination 24 A device will send an IPv6 ICMP redirect message when the following conditions are satisfied e The receiving interface is the forwarding interface e The selected route itself is not created or modified by an IPv6 ICMP redirect message e The selected route is not the default route e The forwarded IPv6 packet does not contain any routing header You can configure the system s administrative IPv6 address on this page Choose the menu System System Info System IPv6 to load the following page Global Config IPvB O Enable Disable Apply Link local Address Config Config Mode O manual Auto Link local Address Format fe80 1 Apply Status normal Global Address Autoconfig via RA Message Enable global address auto configuration via RA message Apply Global Address Autoconfig via DHCPv6 Server O Enable global address auto configuration via DHCPv6 Server Apply Add a global address manually Address Format Oeur64 O Not EUI 64 Apply Global Address Format 3001 1 64 Global address Table Prefered Select Global Address PrefixLength Type Lifetimentalid Status Lifetime O Figure 4 10 System IPv6 The following entries are displayed on this screen gt Global Config IPv6 Enable Disable IPv6 function globally on the switch 25 Link local Address Config Config Mode Select the link loca
183. ng Port number of the MAC address Here you can modify the port number to which the MAC address is bound The new port should be in the same VLAN Displays the Type of the MAC address 57 Aging Status Displays the Aging Status of the MAC address Adore 1 Ifthe corresponding port number of the MAC address is not correct or the connected port or the device has been changed the switch cannot forward the packets correctly Please reset the static address entry appropriately 2 lf the MAC address of a device has been added to the Static Address Table connecting the device to another port will cause its address not to be recognized dynamically by the switch Therefore please ensure the entries in the Static Address Table are correct and valid 3 The MAC address in the Static Address Table cannot be added to the Filtering Address Table or bound to a port dynamically 5 4 3 Dynamic Address The dynamic address can be generated by the auto learning mechanism of the switch The Dynamic Address Table can update automatically by auto learning or the MAC address aging out mechanism To fully utilize the MAC address table which has a limited capacity the switch adopts an aging mechanism for updating the table That is the switch removes the MAC address entries related to a network device if no packet is received from the device within the aging time On this page you can configure the dynamic MAC address entry Choose the menu Sw
184. ng entries are displayed on this screen gt Auto Refresh 53 Auto Refresh Refresh Rate Statistics Port Received Sent Broadcast Multicast Unicast Alignment Errors UndersizePkts Pkts64Octets Pkts65to127Octets Pkts128to255Octets Pkts256to511Octets Pkts512to1023Octets PktsOver10230Octets Collisions Allows you to Enable Disable refreshing the Traffic Summary automatically Enter a value in seconds to specify the refresh interval Enter a port number and click the Select button to view the traffic statistics of the corresponding port Displays the details of the packets received on the port Displays the details of the packets transmitted on the port Displays the number of good broadcast packets received or transmitted on the port The error frames are not counted in Displays the number of good multicast packets received or transmitted on the port The error frames are not counted in Displays the number of good unicast packets received or transmitted on the port The error frames are not counted in For TL SG2216 TL SG2424 TL SG2424P Displays the number of the received packets that have a bad Frame Check Sequence FCS with a non integral octet Alignment Error and have a bad FCS with an integral octet CRC Error The length of the packet is between 64 bytes and 1518 bytes For TL SG2452 Displays the number of the received packets that have a bad Frame Check
185. nii esiii ioiii aiiordi dc ici dd do Did ia et 117 8 3 2 IPV6 Multicast Table ci ie e e 118 Chapter A NS 119 9H DS A A DA 122 9 1 1 A eerie chia detetestitottaserebdebadetutasheuthedssnetoadededada mer thuteseebeetencrabdvaades 122 A DSCP Priority e an eet has ates Antal a E ear arae Lica alae Staal tee 123 9 1 3 802 1P COS Mapping cece cece cece cece ceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees 125 9 1 4 Schedule MOde s usos 126 9 2 Control eroii dea edhe earnest a eee dy 127 9 2 1 A e O A 127 922 SOM Coti A A ee 128 3 OIC LAN A aa 131 9 3 1 Global CONTI ne ani Seta eed A Qin teat aoe 133 93 27 POCO it ra 133 333 UI CONICS A a 134 Chapters OAC Ds a A A A A A ad Pesach aes 137 10 1 PC COM it AS 137 10 11 ACI SUMMATY cuicos calada 137 10 12 ACL Create cui 137 TADO MACACO dd e A DOLO 138 10 1 4 Sanda PAC vcs aa A ee eee 139 AS A O sedi del oat 139 1 022 Policy CONTIG A tere athe e a a e Road aE 140 10 2 1 Policy SUMME Y utilidad dada 141 10 22 Policy Create niiianionionicir Des 141 10 2 3 RS eeeeneee reer ee eeenenneeeeeeeeeeeeteeennneaeeeeeereeteennaeeeeeeeeerey 142 10 3 SPONCYBINGING estiaje dede 142 10 31 Binding Tablero a a ert ee eee eee 142 10 32 Port BINdiNg sas taa aeei aore eea ea dde 143 10 33 VLAN IN A A A 143 10 4 Application Example for ACL ccccccecececcececececececececeeeeececeseeeeeeeeeseseseeseseaeanananaes 144 Chapter TT ROB sa ceive cats liceced A
186. nk when a node wants to determine the link layer address of another node on the same local link After receiving the neighbor solicitation message the destination node replies by sending a neighbor advertisement NA message which has a value of 136 in the Type field of the ICMP packet header on the local link After the source node receives the neighbor advertisement the source node and destination node can communicate Neighbor advertisement messages are also sent when there is a change in the link layer address of a node on a local link Address Resolution The address resolution procedure is as follows e Node A multicasts an NS message The source address of the NS message is the IPv6 address of an interface of node Aand the destination address is the solicited node multicast address of node B The NS message contains the link layer address of nodeA e After receiving the NS message node B judges whether the destination address of the packet corresponds to the solicited node multicast address If yes node B can learn the link layer address of node A and unicasts an NA message containing its link layer address e Node A acquires the link layer address of node B from the NA message Neighbor Reachability Detection After node A acquires the link layer address of its neighbor node B node Acan verify whether node B is reachable according to NS and NA messages e Node Asends an NS message whose destination address is the IPv6 addr
187. nnnonnnnnonononeninnnnnnnnns 31 4 3 9 System ROS ua ic rad n lA Edd ea 31 AA ACCESS SECUTI iii e A aera dee ieee ee 31 4 4 1 ACCESS Control adissias eae iaaea aa A Ea Ea aoe ike 31 AAD SSS COMIG ii eaae e e eas ete a eee los 33 4 43 SSH CON Oi usina dds reeddanaeddvedenendhduastathedsneneatemenabes 34 Chapter 5 SWIRD resesi a a aia 40 Oe SPOR aN a Naat AE ate eee IS IS hs RES Ie he eee aides 40 5 1 1 Por Co Oui sit 40 91 2 Port MITO tia paa 41 63 ES A ANT 43 9 1 4 Portilla ar aia 45 5 1 5 Loopback DetectiON oooccconnnonccccnccoccnnncncnnnnnnnnonnnnancnnnnnnnnnnnnncnncnncnnnnnnnancinnns 46 A est ith arae bh Neue stand tide nare ootate ET AA nas 47 az LAB TAE ut ii 48 5 22 OLAS AS a id o id o 49 a A A A O 50 Se TE MONO A o 52 5 3 1 Traffic SUMMA i ea aa aa dhavet elacaoote sdaawaeeeyauthanncagoeg ected Ea i e 52 9 3 2 Traffic Statistie Sn eie ar a seceah rattde 53 54 IMAC AQUTESS cisco air 55 5 4 1 Address Table iii A Aa AER 55 IS o A a ek Bd Ae A E ARN 56 5 4 3 Dynamic Addres Saien raae ads 58 5 4 4 Filtering Address iii le ieee cele eben Ges Bee EN 59 5 5 DACP FINETO onesna ae i S a 61 Chapter 6 VEAN ota a a a Aig a a aa a a a a a adel a aa 64 6A 802 IO V AN A 65 A aaa aana a Aane a esata Neen calelsbadedad 66 6 2 Application Example for 802 1Q VLAN cececceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees 68 AER IA 70 GA STP CO Mii oda tees tea 75 LAA lt I MONIC tthe ALS tea te ee tic
188. no connectivity Figure B 2 5 The following TCP IP Properties window will display and the IP Address tab is open on this window by default Internet Protocol TCP IP Properties General You can get IP settings assigned automatically if your network supports this capability Otherwise you need to ask your network administrator for the appropriate IP settings Obtain an IP address automatically Use the following IP address IP address 192 168 0 241 Subnet mask 255 255 255 0 Default gateway 192 168 0 1 Obtain DNS server address automatically Use the following DNS server addresses Preferred DNS server Alternate DNS server s Advanced Figure B 3 193 6 Select Use the following IP address And the following items will be available If the switch s IP address is 192 168 0 1 specify IP address as 192 168 0 x x is from 2 to 254 and the Subnet mask as 255 255 255 0 In IPv6 network 1 On the Windows taskbar click the Start button and then click Control Panel 2 Click the View network status and tasks under the tab Network and Internet System and Security Review your computer s status Back up your computer Find and fix problems Network and Internet View network status and tasks lt Choose homegroup and sharing options Hardware and Sound View devices and printers Add a device f Programs l
189. nooping gt MLD Snooping Multicast Listener Discovery MLD snooping is applied for efficient distribution of IPv6 multicast data to clients and routers in a Layer 2 network With MLD snooping IPv6 multicast data is selectively forwarded to a list of ports that want to receive the data instead of being flooded to all ports in a VLAN The list is constructed and maintained by snooping IPv6 multicast control packets MLD snooping performs a similar function in IPv6 as IGMP snooping in IPv4 The switch running MLD Snooping listens to the MLD messages transmitted between the host and the router and tracks the MLD messages and the registered port When receiving MLD report message the switch adds the port to the multicast address table when the switch listens to MLD Done message from the host the router sends the Multicast Address Specific Query message of the port to check if other hosts need this multicast if yes the switch will receive MLD report message if no the switch will receive no response from the hosts and the switch will remove the port from the multicast address table The router regularly sends MLD query messages After receiving the MLD query messages the switch will remove the port from the multicast address table if the switch receives no MLD report message from the host within a period of time gt MLD Snooping Fundamentals 1 MLD Messages MLD Queries MLD Queries include General Queries and Multicast Address Specific
190. nted MAC and PHY Power Via MDI TLV The Power Via MDI TLV allows network management to advertise and discover the MDI power support capabilities of the sending IEEE 802 3 LAN station 171 The LLDP module is mainly for LLDP function configuration of the switch including three submenus Basic Config Device Info Device Statistics and LLDP MED 13 1 Basic Config LLDP is configured on the Global Config and Port Config pages 13 1 1 Global Config On this page you can configure the LLDP parameters of the device globally Choose the menu LLDP gt Basic Config Global Config to load the following page Global Config LLDP Enable Disable Apply Parameters Config Transmit Interval Hold Multiplier Transmit Delay Reinit Delay Notification Interval Fast Start Times 30 sec 5 32768 2 10 2 secti 8192 sec 1 10 sec 5 3600 1 10 Figure 13 1 LLDP Global Configuration The following entries are displayed on this screen gt Global Config LLDP gt Parameters Config Transmit Interval Hold Multiplier Transmit Delay Reinit Delay Notification Interval Enable disable LLDP function globally Enter the interval for the local device to transmit LLDPDU to its neighbors The default value is 30 Enter a multiplier on the Transmit Interval It determines the actual TTL Time To Live value used in an LLDPDU TTL Hold Multiplier Transmit Interval The defau
191. ny of the VLAN the ingress port belongs to this packet will be dropped The packets forwarded by the untagged port are untagged 2 Tagged The tagged port can be added in multiple VLANs If a VLAN tagged packet arrives at a port and the VLAN ID in its VLAN tag does not match any of the VLAN the ingress port belongs to this packet will be dropped When the VLAN tagged packets are forwarded by the Tagged port its VLAN tag will not be changed 65 gt PVID PVID Port VLAN ID is the default VID of the port When the switch receives an un VLAN tagged packet it will add a VLAN tag to the packet according to the PVID of its received port and forward the packets When creating VLANs the PVID of each port indicating the default VLAN to which the port belongs is an important parameter with the following two purposes 1 When the switch receives an un VLAN tagged packet it will add a VLAN tag to the packet according to the PVID of its received port 2 PVID determines the default broadcast domain of the port i e when the port receives UL packets or broadcast packets the port will broadcast the packets in its default VLAN Different packets tagged or untagged will be processed in different ways after being received by ports of different link types which is illustrated in the following table Receiving Packets Forwarding Packets Port Type ae 7 F x ntagge agge Packets Tagged Packets Untagged Packets Packets The packet will
192. oE gt PoE Time Range gt PoE Time Range Create to load the following page Create Time Range Name O Exclude Holiday O absolute Start Date gor I w End Date 2000 v u w __ O Week Mon Tue Wed Thu Fri Sat Sun Create Time Slice Start Time o vi o Es End Time 24 Time Slice Table Index Start Time End Time Delete Mdote Figure 11 4 Time Range Create To successfully configure time ranges please firstly specify time slices and then time ranges The following items are displayed on this screen gt Create Time Range Name Exclude Holiday Absolute Week gt Create Time Slice Start Time End Time Enter the name of the time range for time identification Select Exclude Holiday and the port based on this time range may not supply power when the system time is within the holiday Select Absolute to configure absolute time range The port based on this time range will supply power based on this time range when the system time is within the absolute time range Select Week to configure week time range The port based on this time range will supply power based on this time range when the system time is within the week time range Set the start time of the time slice Set the end time of the time slice 151 gt Time Slice Table Index Displays the index of the time slice Start Time Displays the start time of the time slice End Time Displays the end time of the tim
193. on this screen gt Port Security Select Port Max Learned MAC Learned Num Learn Mode Status Select the desired port for Port Security configuration lt is multi optional Displays the port number Specify the maximum number of MAC addresses that can be learned on the port Displays the number of MAC addresses that have been learned on the port Select the Learn Mode for the port e Dynamic When Dynamic mode is selected the learned MAC address will be deleted automatically after the aging time e Static When Static mode is selected the learned MAC address will be out of the influence of the aging time and can only be deleted manually The learned entries will be cleared after the switch is rebooted e Permanent When Permanent mode is selected the learned MAC address will be out of the influence of the aging time and can only be deleted manually The learned entries will be saved even the switch is rebooted Select Enable Disable the Port Security feature for the port 44 Adore The Port Security function is disabled for the LAG port member Only the port is removed from the LAG will the Port Security function be available for the port 5 1 4 Port Isolation Port Isolation provides a method of restricting traffic flow to improve the network security by forbidding the port to forward packets to the ports that are not on its forward portlist Choose the menu Switching Port gt Port
194. orities are labeled as CoSO CoS1 CoS7 The DiffServ function can be implemented on Port Priority 802 1P Cos mapping DSCP Priority and Schedule Mode pages 9 1 1 Port Priority On this page you can configure the port priority Choose the menu QoS DiffServ Port Priority to load the following page Port Priority Config Select Port Priority LAG CoS 0 cos 0 cos 0 cos 0 cos 0 cos 0 cos 0 cos 0 cos 0 cos 0 cos 0 LAG1 y OOOOOO00000 o note Port priority is one property of the port When the port priority is specified the data will be classified into the egress queue based on the CoS value of the ingress port and the mapping relation between the Cos and TC in 802 1P Figure 9 6 Port Priority Config The following entries are displayed on this screen gt Port Priority Config Select Select the desired port to configure its priority It is multi optional Port Displays the physical port number of the switch Priority Specify the priority for the port LAG Displays the LAG number which the port belongs to 122 on Procedure Select the port priority Required On QoS DiffServ Port Priority page configure the port priority Configure mapping Required On QoS DiffServ 802 1P Priority page relation een the 802 1P configure the mapping relation between the 802 1P priority and TC priority and TC 3 Select a schedule mode Required On QoS DiffServ Schedule Mode page sele
195. ork 105 Choose the menu Multicast IGMP Snooping Packet Statistics to load the following page Auto Refresh Auto Refresh Refresh Period IGMP Statistics Port Query Packet on O Ml kh UN gt gt aus o o o co 0 00 00 0 0 O gt ha Enable Disable sec 3 300 Port Select ONO rn arial Leave Packet Error Packet 0 0 0 0 0 A 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 o i 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 lt Figure 8 11 Packet Statistics The following entries are displayed on this screen gt Auto Refresh Auto Refresh Refresh Period gt IGMP Statistics Port Select Port Query Packet Report Packet V1 Report Packet V2 Report Packet V3 Leave Packet Select Enable Disable auto refresh feature Enter the time from 3 to 300 in seconds to specify the auto refresh period Click the Select button to quick select the corresponding port based on the port number you entered Displays the port number of the switch Displays the number of query packets the port received Displays the number of IGMPv1 report packets the port received Displays the number of IGMPv2 report packets the port received Displays the number of IGMPv3 report packets the port received Displays the number of leave packets the port received 106 Error Packet Displays the number of error packets the port received 8 2 MLD S
196. ort e MAC Address Configure the address table of the switch e DHCP Filtering Monitor the process of the host obtaining the IP address from DHCP server Chapter 6 VLAN This module is used to configure VLANs to control broadcast in LANs Here mainly introduces e 802 1Q VLAN Configure port based VLAN Chapter 7 Spanning Tree This module is used to configure spanning tree function of the switch Here mainly introduces e STP Config Configure and view the global settings of spanning tree function e Port Config Configure CIST parameters of ports e MSTP Instance Configure MSTP instances e STP Security Configure protection function to prevent devices from any malicious attack against STP features Chapter 8 Multicast This module is used to configure multicast function of the switch Here mainly introduces e IGMP Snooping Configure global parameters of IGMP Snooping function port properties VLAN and multicast VLAN MLD Snooping Configure global parameters of MLD Snooping function port properties VLAN and multicast VLAN Multicast Table View the information of IPv4 and IPv6 multicast groups already on the switch Chapter Introduction Chapter 9 QoS This module is used to configure QoS function to provide different quality of service for various network applications and requirements Here mainly introduces e DiffServ Configure priorities port priority 802 1P priority and DSCP priority Bandwidth Contro
197. ort 1 Absolute 100 1 100 1 All 1800 monitor Disable Figure 12 11 Alarm Config The following entries are displayed on this screen gt Alarm Table Select Index Variable Port Sample Type Rising Threshold Rising Event Falling Threshold Falling Event Alarm Type Select the desired entry for configuration Displays the index number of the entry Select the alarm variables from the pull down list Select the port on which the Alarm entry acts Specify the sampling method for the selected variable and comparing the value against the thresholds e Absolute Compares the values directly with the thresholds at the end of the sampling interval e Delta Subtracts the last sampled value from the current value The difference in the values is compared to the threshold Enter the rising counter value that triggers the Rising Threshold alarm Select the index of the corresponding event which will be triggered if the sampled value is larger than the Rising Threshold Enter the falling counter value that triggers the Falling Threshold alarm Select the index of the corresponding event which will be triggered if the sampled value is lower than the Falling Threshold Specify the type of the alarm e All The alarm event will be triggered either the sampled value exceeds the Rising Threshold or is under the Falling Threshold 166 e Rising When the sampled value exceeds the Rising Threshold an alarm ev
198. orward DHCP packets and thereby ensures that users get proper IP addresses DHCP Filtering is to monitor the process of hosts obtaining the IP addresses from DHCP servers and record the IP address MAC address VLAN and the connected Port number of the Host for automatic binding DHCP Filtering feature prevents the network from the DHCP Server Cheating Attack by discarding the DHCP packets on the distrusted port so as to enhance the network security Choose the menu Switching DHCP Filtering to load the following page DHCP Filtering DHCP Filtering O Enable Disable Apply Trusted Port E 1 O 2 O 3 O 4 O saci E eac O 7 LAG1 O sci Da O 10 Figure 5 20 DHCP Filtering The following entries are displayed on this screen gt DHCP Filtering DHCP Filtering Enable Disable the DHCP Filtering function globally gt Trusted Port Here you can select the desired port s to be Trusted Port s Only the Trusted Port s can receive DHCP packets from DHCP Servers Click All button to select all ports Click Clear button to select none Return to CONTENTS 63 Chapter 6 VLAN The traditional Ethernet is a data network communication technology based on CSMA CD Carrier Sense Multiple Access Collision Detect via shared communication medium Through the traditional Ethernet the overfull hosts in LAN will result in serious collision flooding broadcasts poor performance or even breakdown of the Internet Though connecting the LANs th
199. owing entries are displayed on this screen gt Port Bind Config Policy Name Select the name of the policy you want to bind Port Enter the number of the port you want to bind gt Port Bind Table Index Displays the index of the binding policy Policy Name Displays the name of the binding policy Port Displays the number of the port bound to the corresponding policy Direction Displays the binding direction note For TL SG2216 TL SG2424 TL SG2424P you can bind one policy to multiple interfaces but for TL SG2452 you can bind one policy to only one interface 10 3 3 VLAN Binding On this page you can bind a policy to a VLAN 143 Choose the menu ACL gt Policy Binding VLAN Binding to load the following page VLAN Bind Config Policy Name Select Policy v VLAN ID Format2 10 100 WLAN Bind Table Index Policy Name LAN IB Direction Figure 10 11 Bind the policy to the VLAN The following entries are displayed on this screen gt VLAN Bind Config Policy Name Select the name of the policy you want to bind VLAN ID Enter the ID of the VLAN you want to bind gt VLAN Bind Table Index Displays the index of the binding policy Policy Name Displays the name of the binding policy VLAN ID Displays the ID of the VLAN bound to the corresponding policy Direction Displays the binding direction Configuration Procedure Configure ACL rules Required On ACL ACL Config configuration pages co
200. ping Multicast Listener Discovery MLD snooping is applied for efficient distribution of IPv6 multicast data to clients and routers in a Layer 2 network With MLD snooping IPv6 multicast data is selectively forwarded to a list of ports that want to receive the data instead of being flooded to all ports in a VLAN The list is constructed and maintained by snooping IPv6 multicast control packets MLD snooping performs a similar function in IPv6 as IGMP snooping in IPv4 The Multicast module is mainly for multicast management configuration of the switch including three submenus IGMP Snooping MLD Snooping and Multicast Table 8 1 IGMP Snooping gt IGMP Snooping Process The switch running IGMP Snooping listens to the IGMP messages transmitted between the host and the router and tracks the IGMP messages and the registered port When receiving IGMP report message the switch adds the port to the multicast address table when the switch listens to IGMP leave message from the host the router sends the Group Specific Query message of the port to check if other hosts need this multicast if yes the router will receive IGMP report message if no the router will receive no response from the hosts and the switch will remove the port from the multicast address table The router regularly sends IGMP query messages After receiving the IGMP query messages the switch will remove the port from the multicast address table if the switch receives no IGMP r
201. port This value determines the priority of the port to be selected as the dynamic aggregation group member The port with smaller Port Priority will be considered as the preferred one If the two port priorities are equal the port with smaller port number is preferred Mode Specify LACP mode for your selected port Status Enable Disable the LACP feature for your selected port LAG Displays the LAG number which the port belongs to 5 3 Traffic Monitor The Traffic Monitor function monitoring the traffic of each port is implemented on the Traffic Summary and Traffic Statistics pages 5 3 1 Traffic Summary Traffic Summary screen displays the traffic information of each port which facilitates you to monitor the traffic and analyze the network abnormity Choose the menu Switching Traffic Monitor Traffic Summary to load the following page Auto Refresh Auto Refresh O Enable Disable Refresh Rate sec 3 300 Trafic Summary Port select Port Packets Rx Packets Tx Octets Rx Octets Tx Statistics 1 0 0 0 0 Statistics 2 4613 4386 680269 2072355 Statistics 3 0 0 0 0 Statistics 4 0 0 0 0 statistics 5 0 0 0 0 Statistics 6 0 0 0 0 Statistics 7 0 0 0 0 Statistics 8 0 0 0 0 Statistics 9 0 0 0 0 Statistics 10 0 0 0 0 Statistics 11 D 0 0 0 Statistics 12 0 0 0 0 Statistics y Figure 5 11 Traffic Summary The following entries are displayed on this screen gt Auto Refresh Auto Refresh Allows
202. pports stateless autoconfiguration to manage link subnet and site addressing changes DHCPv6 enables switch to receive configuration parameters such as IPv6 network addresses from DHCPV6 servers 2 3 Appearance Description 2 3 1 FrontPanel The front panel of TL SG2216 is shown as Figure 2 1 TP LINK TL SG2216 16 Port Gigabit Smart Switch Figure 2 1 Front Panel of TL SG2216 The front panel of TL SG2424 is shown as Figure 2 2 TP LINK TL SG2424 24 Port Gigabit Smart Switch _ O Figure 2 2 Front Panel of TL SG2424 The front panel of TL SG2424P is shown as Figure 2 3 TP LINK TL SG2424P Figure 2 3 Front Panel of TL SG2424P The front panel of TL SG2452 is shown as Figure 2 4 E z 5 gt L A a s Figure 2 4 Front Panel of TL SG2452 The following parts are located on the front panel of TL SG2216 TL SG2424 TL SG2424P TL SG2452 gt Reset Press this button for five seconds or above to reset the software setting back to factory default setting gt 10 100 1000Mbps Ports Designed to connect to the device wth a bandwidth of 10Mbps 100Mbps or 1000Mbps Each has a corresponding 1000Mbps LED and link Act LED gt SFP Ports Designed to install the SFP module TL SG2216 TL SG2424 TL SG2424P switch features some SF
203. priate to your needs Choose the menu Multicast IGMP Snooping Snooping Config to load the following page Global Config IGMP Snooping Enable Disable Unknown Multicast Forward Discard IGMP Snooping Status Description Member Enabled Port Enabled VLAN Note IGMP Snooping will take effect only when Global Config Port Config and LAN Config are all enabled Figure 8 5 Basic Config The following entries are displayed on this screen gt Global Config IGMP Snooping Select Enable Disable IGMP Snooping function globally on the switch Unknown Multicast Select the operation for the switch to process unknown multicast Forward or Discard gt IGMP Snooping Status Description Displays IGMP Snooping status Member Displays the member of the corresponding status 8 1 2 VLAN Config Multicast groups established by IGMP Snooping are based on VLANs On this page you can configure different IGMP parameters for different VLANs 97 Choose the menu Multicast IGMP Snooping VLAN Config to load the following page VLAN Config VLAN ID Router Port Time 300 Member Port Time 260 Leave Time 1 Static Router Ports VLAN Table Select VLANID Router Port Time 1 4094 sec 60 600 recommended 300 sec 60 600 recommended 260 sec 1 30 recommended 1 Format 1 3 6 8 VLANID Member Port Time Leave Time Router Port O Al Note The settings he
204. q Uninstall a program 2 bolos QO 3 Control Panel X gt Search Control Pane pl File Edit View Tools Help Adjust your computer s settings View by Category Y User Accounts and Family Safety Add or remove user accounts W Set up parental controls for any user Appearance and Personalization Change the theme Change desktop background m Adjust screen resolution Clock Language and Region Change keyboards or other input methods Change display language Ease of Access yA Me Computer 3 Select Local Network Connection under the tab View your active networks on the prompt page View your active networks TP LINK_Networkl Home network 4 TCP APV6 Access type Connect or disconnect Internet Connections 42 Local Network Connection 194 In the prompt page that showed below double click on the Internet Protocol Version 6 Connect using AP Realtek RTL8102E RTL8103E This connection uses the following items ON Client for Microsoft Networks E 005 Packet Scheduler M 18 File and Printer Sharing for Microsoft Networks M Reliable Multicast Protocol Intemet Protocol Version 4 TCP IPv4 de Link Layer Topology Discovery Mapper 1 0 Driver ds Link Layer Topology Discovery Responder Kira Description TCP IP version 6 The latest version of the intemet protocol that provides communication across diverse interconnected networks
205. r ports in the VLAN The receiving port will be processed if the receiving port is not a router port yet it will be added to the router port list with its router port aging time specified if the receiving port is already a router port its router port aging time will be directly reset 2 Membership Report The host will send MLD report messages when it applies for joining a multicast group or responds to the MLD query message from the router When receiving MLD report message the switch will forward the report message via the router port in the VLAN and analyze the message to get the address of the multicast group the host applies for joining If the multicast group does not exist it will create the group entry The receiving port will be processed if the receiving port is a new member port it will be added to the forward list of the multicast group with its member port aging time specified if the receiving port is already a member port its member port aging time will be directly reset 3 Member Leave The host will send MLD Done message when leaving a multicast group to inform the router of its leaving When Immediate Leave is not enabled in a VLAN and a Done message is received on a port of this VLAN the switch will generate MASQs on this port to check if there are other members in this multicast group The user can control when a port membership is removed for an exiting address in terms of the number and interval of MASQs If ther
206. re will be invalid when multicast VLAN is enabled Figure 8 6 VLAN Config The following entries are displayed on this screen gt VLAN Config VLAN ID Router Port Time Member Port Time Leave Time Static Router Ports gt VLAN Table VLAN ID Select Select VLAN ID Router Port Time Enter the VLAN ID to enable IGMP Snooping for the desired VLAN Specify the aging time of the router port Within this time if the switch doesn t receive IGMP query message from the router port it will consider this port is not a router port any more Specify the aging time of the member port Within this time if the switch doesn t receive IGMP report message from the member port it will consider this port is nota member port any more Specify the interval between the switch receiving a leave message from a host and the switch removing the host from the multicast groups Enter the static router port which is mainly used in the network with stable topology Click the Select button to quick select the corresponding VLAN ID based on the ID number you entered Select the desired VLAN ID for configuration It is multi optional Displays the VLAN ID Displays the router port time of the VLAN 98 Member Port Time Displays the member port time of the VLAN Leave Time Displays the leave time of the VLAN Router Port Displays the router port of the VLAN Anote The settings here will be invalid when multicast VLA
207. reaches the maximum number you set The default value is 5 35 gt Key Download Key Type Key File Download note Select the type of SSH Key to download The switch supports three types SSH 1 RSA SSH 2 RSA and SSH 2 DSA Select the desired key file to download Click the Download button to download the desired key file to the switch 1 Please ensure the key length of the downloaded file is in the range of 256 to 3072 bits 2 After the Key File is downloaded the user s original key of the same type will be replaced The wrong uploaded file authentication will result in the SSH access to the switch via Password Application Example 1 for SSH gt Network Requirements 1 Log on to the switch via pas on the switch sword authentication using SSH and the SSH function is enabled 2 PuTTY client software is recommended gt Configuration Procedure 1 Open the software to log on Host Name field keep the type to the interface of PuTTY Enter the IP address of the switch into default value 22 in the Port field select SSH as the Connection X PuTTY Configuration Category 5 Session Logging E Terminal Keyboard Bell Features B Window Behaviour Selection Colours B Connection Data Proxy Telnet Rlogin SSH Kex Auth TTY x11 Appearance Basic options for your PuTTY session Specify the destination you want to connect to Host Name or IP address 1192 168 0 1
208. ress entries which may decrease the performance and stability of the network To prevent the switch from frequently removing MAC address entries you can enable the TC protect function on the switch With TC protect function enabled if the account number of the received TC BPDUs exceeds the maximum number you set in the TC threshold field the switch will not performs the removing operation in the TC protect cycle Such a mechanism prevents the switch from frequently removing MAC address entries gt BPDU Protect Ports of the switch directly connected to PCs or servers are configured as edge ports to rapidly transit their states When these ports receive BPDUs the system automatically configures these ports as non edge ports and regenerates spanning trees which may cause network topology jitter Normally these ports do not receive BPDUs but if a user maliciously attacks the switch by sending BPDUs network topology jitter occurs To prevent this attack MSTP provides BPDU protect function With this function enabled on the switch the switch shuts down the edge ports that receive BPDUs and reports these cases to the administrator If a port is shut down only the administrator can restore it gt BPDU Filter BPDU filter function is to prevent BPDUs flood in the STP network If a switch receives malicious BPDUs it forwards these BPDUs to the other switched in the network which may result in spanning trees being continuously regenerated
209. resses do not match OUI addresses If security mode is not enabled the port forwards all the packets Security Mode Packet Type Processing Mode UNTAG packet When the source MAC address of the packet is the OUI 7 address that can be identified the packet can be Packet with voice transmitted in the voice VLAN Otherwise the packet will Enable VLAN TAG be discarded The processing mode for the device to deal with the packet Packet with other is determined by whether the port permits the VLAN or not VLAN TAG independent of voice VLAN security mode UNTAG packet Do not check the source MAC address of the packet and all Packet with voice the packets can be transmitted in the voice VLAN Disable VLAN TAG The processing mode for the device to deal with the packet is determined by whether the port permits the VLAN or not independent of voice VLAN security mode Packet with other VLAN TAG Table 9 3 Security mode and packets processing mode Anote Don t transmit voice stream together with other business packets in the voice VLAN except for some special requirements The Voice VLAN function can be implemented on Global Config Port Config and OUI Config pages 132 9 3 1 Global Config On this page you can configure the global parameters of the voice VLAN including VLAN ID and aging time Choose the menu QoS Voice VLAN gt Global Config to load the following page Global Config Voice VLAN O Enable
210. rity of Instance 2 to be 4096 Configure ports Enable STP function Configure the region name and the revision of MST region Configure VLAN to Instance mapping table of the MST region Configure switch C as the root bridge of Instance 1 Configure switch C as the root bridge of Instance 2 e Configure Switch D EJE CN Configure ports On VLAN gt 802 1Q VLAN page configure the link type of the related ports as Tagged and add the ports to VLAN101 VLAN106 The detailed instructions can be found in the section 802 1Q VLAN On Spanning Tree gt STP Config STP Config page enable STP function and select MSTP version On Spanning Tree gt STP Config Port Config page enable MSTP function for the port On Spanning Tree MSTP Instance gt Region Config page configure the region as TP LINK and keep the default revision setting On Spanning Tree MSTP Instance gt Instance Config page configure VLAN to Instance mapping table Map VLAN101 103 and 105 to Instance 1 map VLAN102 104 and 106 to Instance 2 On Spanning Tree gt MSTP Instance gt Instance Config page configure the priority of Instance 1 to be 4096 On Spanning Tree gt MSTP Instance Instance Config page configure the priority of Instance 2 to be 0 On VLAN gt 802 1Q VLAN page configure the link type of the related ports as Tagged and add the ports to VLAN101 VLAN106 The detailed instructions can 88 be found in the section 802 1
211. rough switches can avoid the serious collision the flooding broadcasts cannot be prevented which will occupy plenty of bandwidth resources causing potential serious security problems A Virtual Local Area Network VLAN is a network topology configured according to a logical scheme rather than the physical layout The VLAN technology is developed for switches to control broadcast in LANs By creating VLANs in a physical LAN you can divide the LAN into multiple logical LANs each of which has a broadcast domain of its own Hosts in the same VLAN communicate with one another as if they are in a LAN However hosts in different VLANs cannot communicate with one another directly Therefore broadcast packets are limited in a VLAN Hosts in the same VLAN communicate with one another via Ethernet whereas hosts in different VLANs communicate with one another through the Internet devices such as router the Layer 3 switch etc The following figure illustrates a VLAN implementation VLAN 2 Router Switch A VLAN 6 Figure 6 1 VLAN implementation Compared wih the traditional Ethernet VLAN enjoys the following advantages 1 Broadcasts are confined to VLANs This decreases bandwidth utilization and improves network performance 2 Network security is improved VLANs cannot communicate with one another directly That is a host in a VLAN cannot access resources in another VLAN directly unless routers or Layer 3 switches are used 3 Networ
212. rt configuration Port Select Click the Select button to quick select the corresponding port based on the port number you entered Select Select the desired port to specify its priority and path cost It is multi optional Port Displays the port number of the switch Priority Enter the priority of the port in the instance It is an important criterion on determining if the port connected to this port will be chosen as the root port Path Cost Path Cost is used to choose the path and calculate the path costs of ports in an MST region It is an important criterion on determining the root port The lower value has the higher priority Port Role Displays the role of the port played in the MSTP Instance Port Status Displays the working status of the port LAG Displays the LAG number which the port belongs to Adore The port status of one port in different spanning tree instances can be different 82 Global configuration Procedure for Spanning Tree function sep operon CN Make clear roles the switches Preparation play in spanning tree instances root bridge or designated bridge Globally configure MSTP Required Enable Spanning Tree function on the switch parameters and configure MSTP parameters on Spanning Tree STP Config STP Config page 3 Configure MSTP parameters Required Configure MSTP parameters for ports on for ports Spanning Tree Port Config Port Config page Configure the MST region Requir
213. rts which are enabled for the half duplex Port Security Port Mirror and MAC Address Filtering cannot be added to the LAG If the LAG is needed you are suggested to configure the LAG function here before configuring the other functions for the member ports 47 Tips 1 Calculate the bandwidth for a LAG If a LAG consists of the four ports in the speed of 1000Mbps Full Duplex the whole bandwith of the LAG is up to 8000Mbps 2000Mbps 4 because the bandwidth of each member port is 2000Mbps counting the up linked speed of 1000Mbps and the down linked speed of 1000Mbps 2 The traffic load of the LAG will be balanced among the ports according to the Aggregate Arithmetic If the connections of one or several ports are broken the traffic of these ports will be transmitted on the normal ports so as to guarantee the connection reliability The LAG function is implemented on the LAG Table Static LAG and LACP Config configuration pages 5 2 1 LAG Table On this page you can view the information of the current LAG of the switch Choose the menu Switching gt LAG gt LAG Table to load the following page Global Config Hash Algorithm LAG Table Group Number O Lact Select Note SRC MAC DST MAC Y Description Member Operation Static LAG 5 6 7 8 Edit Detail 1 The LAG created by LACP can t be deleted Figure 5 7 LAG Table The following entries are displayed on this screen gt Global Config
214. rved Chassis ID Port ID Subtype Reserved Port ID TTL 0 Port Description System Name System Description System Capabilities Supported System Capabilities Enabled ManagementAddress 0 0 0 0 Figure 13 3 LLDP Local Information The following entries are displayed on this screen gt Auto Refresh Auto Refresh Enable Disable the auto refresh function 174 13 2 2 Neighbor Info Refresh Rate Local Info Specify the auto refresh rate Enter the desired port number and click Select to display the information of the corresponding port On this page you can get the information of the neighbors Choose the menu LLDP gt Device Info Neighbor Info to load the following page Auto Refresh Auto Refresh Refresh Rate Neighbor Info Local Port System Name Enable Disable sec 3 300 Port o Chassis ID System Description Neighbor Port Infomation Figure 13 4 LLDP Neighbor Information The following entries are displayed on this screen gt Auto Refresh Auto Refresh Refresh Rate Neighbor Info Port Select Local Port System Name Chassis ID System Description Neighbor Port Information Enable Disable the auto refresh function Specify the auto refresh rate Click the Select button to quick select the corresponding port based on the port number you entered Displays the local port number connecting to the neighbor device Displays the system name of
215. s indicating the data transmission rate fon The switch is powered on Off The switch is powered off or power supply is abnormal Flashing Power supply is abnormal Flashing The switch works properly On Off The switch works improperly A 1000Mbps device is connected to the corresponding Green port but no activity Flashing Datais being transmitted or received 10 100 1000Mbps A 10 100Mbps device is connected to the Yellow corresponding port but no activity Flashing Data is being transmitted or received Off No device is connected to the corresponding port When the PoE LED is on the port LED is indicating the power supply status The switch is powered on The switch is powered off or power supply is abnormal Flashing Power supply is abnormal On Off The switch works improperly Flashing The switch works properly The remaining PoE powers7W PoE Max Flashing The remaining PoE power keeps lt 7W after this LED is on for 2 minutes The remaining PoE power27W The port is supplying power normally Green Flashing 1Pe supply power exceeds the corresponding port s asning maximum power eC COD MED Overload or short circuit is detected Yellow Flashing Power on self test has failed No PoE power supply is provided on the port For TL SG2452 pon foero OOOO O PWR Flashing Power supply is abnormal Power is off or power supply is abnormal The switch is working abnormally Flashing The switch
216. s the maximum number of the TC BPDUs received by the switch in a TC Protect Cycle The default value is 20 TC Protect Cycle Enter a value from 1 to 10 to specify the TC Protect Cycle The default value is 5 7 5 Application Example for STP Function gt Network Requirements e Switch A B C D and E all support MSTP function e Ais the central switch e BandC are switches in the convergence layer D E and F are switches in the access layer e There are 6 VLANs labeled as VLAN101 VLAN106 in the network e All switches run MSTP and belong to the same MST region e The data in VLAN101 103 and 105 are transmitted in the STP with B as the root bridge The data in VLAN102 104 and 106 are transmitted in the STP with C as the root bridge 86 gt Network Diagram Switch A y Switch B Switch C n td tl Switch D Switch E Switch F gt Configuration Procedure e Configure Switch A sep operton foes oi Configure ports On VLAN 802 1Q VLAN page configure the link type of the related ports as Tagged and add the ports to VLAN101 VLAN106 The detailed instructions can be found in the section 802 1Q VLAN Enable STP function On Spanning Tree STP Config STP Config page enable STP function and select MSTP version On Spanning Tree STP Config Port Config page enable MSTP function for the port Configure the region name and On Spanning Tree MSTP Instance Re gion the revision of MST region Config pa
217. select ACL 101 create Rule 4 configure operation as Deny configure S IP as 10 10 70 0 and mask as 255 255 255 0 configure D IP as 10 10 50 0 and mask as 255 255 255 0 On ACL gt 5ACL Config Standard IP ACL page select ACL 101 create Rule 5 configure operation as Deny configure S IP as 10 10 70 0 and mask as 255 255 255 0 configure D IP as 10 10 88 5 and mask as 255 255 255 255 On ACL gt Policy Config Policy Create page create a policy named limit2 On ACL gt Policy Config lt Action Create page add ACL 101 to Policy limit2 On ACL gt Policy Binding Port Binding page select Policy limit2 to bind to port 4 Return to CONTENTS 146 Chapter 11 PoE Anote Only TL SG2424P supports PoE function PoE Power over Ethernet technology describes a system to transmit electrical power along with data to remote devices over standard twisted pair cable in an Ethernet network It is especially useful for supplying power to IP telephones wireless LAN access points cameras and so on gt Composition A PoE system usually consists of PSE and PD PSE Power sourcing equipment PSE is a device such as a switch that provides power on the Ethernet cable to the linked device PD A powered device PD is a device accepting power from the PSE and thus consumes energy PDs falls into two types standard PDs and nonstandard PDs Standard PDs refer to the powered devices that comply with IEEE 802 3af and IEEE 802 3at Examples include
218. sent via this interface tot ratio 1 2 4 8 Gs ae T TC2 E Egress interface sas a s anaes ME aw y Gia o i Packets memos classification Weight value TC0 TC1 TC2 TC3 1 2 4 8 Figure 9 5 WRR Mode SP WRR Mode Strict Priority Weight Round Robin Mode In this mode this switch provides two scheduling groups SP group and WRR group Queues in SP group and WRR group are scheduled strictly based on strict priority mode while the queues inside WRR group follow the WRR mode In SP WRR mode TC3 is in the SP group TCO TC1 and TC2 belong to the WRR group and the weight value ratio of TCO TC1 and TC2 is 1 2 4 In this way when scheduling queues the switch allows TC3 to occupy the whole bandwidth following the SP mode and the TCO TC1 and TC2 in the WRR group will take up the bandwidth according to their ratio 1 2 4 121 4 Equ Mode Equal Mode In this mode all the queues occupy the bandwidth equally The weight value ratio of all the queues is 1 1 1 1 The QoS module is mainly for traffic control and priority configuration including three submenus DiffServ Bandwidth Control and Voice VLAN 9 1 DiffServ This switch classifies the ingress packets maps the packets to different priority queues and then forwards the packets according to specified scheduling algorithms to implement QoS function This switch implements three priority modes based on port on 802 1P and on DSCP and supports four queue scheduling algorithms The port pri
219. switch If the switch does not receive any voice packet on the ingress port within the aging time the switch will remove this port from voice VLAN Voice ports are automatically added into or removed from voice VLAN Manual Mode You need to manually add the port of IP phone to voice VLAN and then the switch will assign ACL rules and configure the priority of the packets through learning the source MAC address of packets and matching OUI address 131 In practice the port voice VLAN mode is configured according to the type of packets sent out from voice device and the link type of the port The following table shows the detailed information Port Voice Voice VLAN Mode Stream Type Link type of the port and processing mode Untagged Not supported TAG voice PE stream Tagged Supported The default VLAN of the port cannot be Automatic Mode voice VLAN UNTAG voice Untagged Supported stream Tagged Not supported Untagged Not supported TAG voice stream Tagged Supported The default VLAN of the port should not Manual Mode be voice VLAN UNTAG voice Untagged Supported stream Tagged Not supported Table 9 2 Port voice VLAN mode and voice stream processing mode gt Security Mode of Voice VLAN When voice VLAN is enabled for a port you can configure its security mode to filter data stream If security mode is enabled the port just forwards voice packets and discards other packets whose source MAC add
220. system s assigned name which should be the system s fully qualified domain name Management Address TLV The Management Address TLV identifies an address associated with the local LLDP agent that may be used to reach higher entities to assist discovery by network management Port VLAN ID TLV The Port VLAN ID TLV allows a VLAN bridge port to advertise the ports VLAN identifier PVID that will be associated with untagged or priority tagged frames Port And Protocol VLAN ID The Port And Protocol VLAN ID TLV allows a bridge port to LV advertise a port and protocol VLAN ID VLAN Name TLV The VLAN Name TLV allows an IEEE 802 1Q compatible IEEE 802 LAN station to advertise the assigned name of any VLAN with which it is configured Link Aggregation TLV The Link Aggregation TLV indicates whether the link is capable of being aggregated whether the link is currently in an aggregation and if in an aggregation the port identification of the aggregation MAC PHY The MAC PHY Configuration Status TLV identifies a The duplex Configuration Status TLV and bit rate capability of the sending IEEE 802 3 LAN node that is connected to the physical medium b The current duplex and bit rate settings of the sending IEEE 802 3 LAN node c Whether these settings are the result of auto negotiation during link initiation or of manual set override action Max Frame Size TLV The Maximum Frame Size TLV indicates the maximum frame size capability of the impleme
221. t Protocol SNMP An IETF Standard MIB as well as a number of vendor specific MIBs have been created to describe a network s physical topology and associated systems within that topology However there is no standard protocol for populating these MIBs or communicating this information among stations on the IEEE 802 LAN LLDP protocol specifies a set The device running LLDP can automatically discover and learn about the neighbors allowing for interoperability between the network devices of different vendors This protocol allows two systems running different network layer protocols to learn about each other LLDP MED Link Layer Discovery Protocol for Media Endpoint Devices is an extension of LLDP intended for managing endpoint devices such as Voice over IP phones and network switches The LLDP MED TLVs advertise information such as network policy power via MDI inventory management and device location details The LLDP and LLDP MED information can be used by SNMP applications to simplify troubleshooting enhance network management and maintain an accurate network topology gt LLDPDU Format Each LLDPDU includes an ordered sequence of three mandatory TLVs followed by one or more optional TLVs plus an End of LLDPDU TLV as shown in the figure below Chassis ID TLV Port ID TLV TTL TLV and End TLV are the four mandatory TLVs for a LLDPDU Optional TLVs provide various details about the LLDP agent advertising them and they are selected by n
222. t of the network 187 Choose the menu Maintenance gt Device Diagnostics Cable Test to load the following page Cable Test Port Pair Status Length Error Pair A Pair B Pair C Pair D v Unit meter Note 1 The interval between two cable test for one port must be more than 3 seconds 2 The result is more reasonable when the cable pair is in the open status 3 The result is just for your information Figure 14 7 Cable Test The following entries are displayed on this screen gt Cable Test Port Select the port for cable testing Pair Displays the Pair number Status Displays the connection status of the cable connected to the port The test results of the cable include normal close open or impedance Length If the connection status is normal here displays the length range of the cable Error If the connection status is close open or impedance here displays the error length of the cable Adore 1 TheLength displayed here is the length of pair cable not that of the physical cable 2 The test result is just for your reference 14 4 Network Diagnostics This switch provides Ping test and Tracert test functions for network Diagnostics 14 4 1 Ping Ping test function testing the connectivity between the switch and one node of the network facilitates you to test the network connectivity and reachability of the host so as to locate the network malfunctions Choose the menu Maintenance
223. t three octets 24 bits are taken from the Organizationally Unique Identifier OUI of the 48 bit link layer address the MAC address of the interface the fourth and fifth octets 16 bits are a fixed hexadecimal value of FFFE and the last three octets 24 bits are taken from the last three octets of the MAC address The construction of the interface ID is completed by 21 setting the universal local U L bit the seventh bit of the first octet to a value of O or 1 A value of 0 indicates a locally administered identifier a value of 1 indicates a globally unique IPv6 interface identifier Take MAC address 0012 0B0A 2D51 as an example Insert FFFE to the middle of the address to get 0012 0BFF FEOA 2D51 Then set the U L bit to 1 to obtain an interface ID in EUI 64 format as 0212 0BFF FEOA 2D51 IPv6 unicast address can be classified into several types as shown in Table 4 1 The two most common types are introduced below Global unicast address A Global unicast address is an IPv6 unicast address that is globally unique and is routable on the global Internet Global unicast addresses are defined by a global routing prefix a subnet ID and an interface ID The IPv6 global unicast address starts with binary value 001 2000 3 The global routing prefix is a value assigned to a site a cluster of subnets links by IANA The subnet ID is an identifier of a subnet within the site The figure below shows the structure of a global unicast
224. tail TERK Disable Detail lt Figure 13 2 LLDP Port Config The following entries are displayed on this screen gt LLDP Port Config Port Select Admin Status Notification M ode Included TLVs Details Select the desired port to configure Select the port s LLDP operating mode Tx amp Rx send and receive LLDP frames Rx_Only Only receive LLDP frames Tx_Only Only send LLDP frames Disable neither send nor receive LLDP frames Allows you to enable or disable the ports SNMP notification If enabled the local device will notify the trap event to SNMP server Select TLVs to be included in outgoing LLDPDU Click the Detail button to display the included TLVs and select the desired TLVs 173 Included TL s Port Description System Capabilities System Description System Name Management Address Port LAN ID Port And Protocol VLAN ID M VLAN Name Link Aggregation MACIPHY Configuration Status Max Frame Size Power Via MDI Man 13 2 Device Info You can view the LLDP information of the local device and its neighbors on the Local Info and Neighbor Info pages respectively 13 2 1 Local Info On this page you can see all ports configuration and system information Choose the menu LLDP Device Info Local Info to load the following page Auto Refresh Auto Refresh Enable Disable Apply Refresh Rate sec 3 300 Local Info Local Interface 1 Chassis ID Subtype Rese
225. tatic Multicast IP to load the following page Create Static Multicast Multicast IP Format 225 0 0 1 VLAN ID 1 4094 a Forward Port Format 1 3 6 8 Search Option Search Option All L el Static Multicast IP Table Select Multicast IP VLAN IB Forward Port Al Total Static Multicast IP 0 Figure 8 10 Static Multicast IP Table The following entries are displayed on this screen gt Create Static Multicast Multicast IP Enter static multicast IP address VLAN ID Enter the VLAN ID of the multicast IP Forward Port Enter the forward port of the multicast group gt Search Option Search Option Select the rules for displaying multicast IP table to find the desired entries quickly e All Displays all static multicast IP entries e Multicast IP Enter the multicast IP address the desired entry must carry VLAN ID Enter the VLAN ID the desired entry must carry e Port Enter the port number the desired entry must carry gt Static Multicast IP Table Select Select the desired entry to delete the corresponding static multicast IP It is multi optional Multicast IP Displays the multicast IP VLAN ID Displays the VLAN ID of the multicast group Forward Port Displays the forward port of the multicast group 8 1 7 Packet Statistics On this page you can view the multicast data traffic on each port of the switch which facilitates you to monitor the IGMP messages in the netw
226. te CountyParishiDistrict CityTownship Street House Number Name Postal Zip Code Room Number Post Office Box Additional Information gt Included TLVs Select TLVs to be included in outgoing LLDPDU gt Location Identification Parameters Configure the Location Identification TLV s content in outgoing LLDPDU of the port Emergency Emergency number is Emergency Call Service ELIN identifier Number which is used during emergency call setup to a traditional CAMA or ISDN trunk based PSAP Civic Address The Civic address is defined to reuse the relevant sub fields of the DHCP option for Civic Address based Location Configuration Information as specified by IETF 13 4 3 Local Info On this page you can see all ports LLDP MED configuration 180 Choose the menu LLDP gt LLDP MED gt Local Info to load the following page Auto Refresh Auto Refresh O Enable Disable Refresh Rate sec 3 300 LLDP MED Local Info Local Interface Device Type Application Type Unknown Policy Flag VLAN tagged Media Policy VLAN ID Media Policy Layer 2 Priority Media Policy DSCP Power Type Power Source Power Priority Available Power Value Port 1 1 Network Connectivity Reserved Yes No 0 0 0 PSE Device Primary Unknown Ow Figure 13 8 LLDP MED Local Information The following entries are display
227. te the MIB objects based on its management right SNMP Management Station is the manager of SNMP network while SNMP Agent is the managed object The information between SNMP Management Station and SNMP Agent are exchanged through SNMP Simple Network Management Protocol The relationship among SNMP Management Station SNMP Agent and MIB is illustrated in the following figure MIB ee Read Configure the MIB variables Send response and notification packets SNMP Management Station SNMP Agent Figure 12 1 Relationship among SNMP Network Elements gt SNMP Versions This switch supports SNMP v3 and is compatible wth SNMP v1 and SNMP v2c The SNMP versions adopted by SNMP Management Station and SNMP Agent should be the same Otherwise SNMP Management Station and SNMP Agent cannot communicate with each other 153 normally You can select the management mode with proper security level according to your actual application requirement SNMP v1 SNMP v1 adopts Community Name authentication The community name is used to define the relation between SNMP Management Station and SNMP Agent The SNMP packets failing to pass community name authentication are discarded The community name can limit access to SNMP Agent from SNMP NMS functioning as a password SNMP v2c SNMP v2c also adopts community name authentication It is compatible with SNMP v1 while enlarges the function of SNMP v1 SNMP v3 Based on SNMP v1 and SNMP v2c SN
228. the neighbor device Displays the Chassis ID of the neighbor device Displays the system description of the neighbor device Displays the port number of the neighbor linking to local port Click Information to display the detailed information of the neighbor device 13 3 Device Statistics You can view the LLDP statistics of the local device through this feature 175 Choose the menu LLDP Device Statistics Statistic Info to load the following page Auto Refresh Auto Refresh Refresh Rate Global Statistics Last Update 00 00 00 00 Neighbors Statistics A 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 g 0 10 0 11 0 12 0 O Enable Disable sect3 300 Total Inserts Total Deletes Total Drops Total Ageouts 0 0 0 0 Port pa Discards Errors Ageouts ie ee 0 0 0 0 0 0 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 lt Figure 13 5 LLDP Statistic Information The following entries are displayed on this screen gt Auto Refresh Auto Refresh Refresh Rate gt Global Statistics Last Update Total Inserts Total Deletes Total Drops Total Age outs Enable Disable the auto refresh function Specify the auto refresh rate Displays latest update time of the statistics Displays the number of neighbors inserted till last update time Displays the number of neighbors deleted by lo
229. the neighbor device Power Sourcing Entity PSE or Powered Device PD Click the Information button to display the detailed information of the corresponding neighbor Return to CONTENTS 182 Chapter 14 Maintenance Maintenance module assembling the commonly used system tools to manage the switch provides the convenient method to locate and solve the network problem 1 System Monitor Monitor the utilization status of the memory and the CPU of switch 2 Log View the configuration parameters of the switch and find out the errors via the Logs 3 Device Diagnostics Cable Test tests the connection status of the cable to locate and diagnoses the trouble spot of the network 4 Network Diagnostics Test whether the destination device is reachable and detect the route hops from the switch to the destination device 14 1 System Monitor System Monitor functions to display the utilization status of the memory and the CPU of switch via the data graph The CPU utilization rate and the memory utilization rate should fluctuate stably around a specific value If the CPU utilization rate or the memory utilization rate increases markedly please detect whether the network is being attacked The System Monitor function is implemented on the CPU Monitor and Memory Monitor pages 14 1 1 CPU Monitor Choose the menu Maintenance gt System Monitor CPU Monitor to load the following page CPU Monitor Run Time 52sec 100 90 80
230. the previous VLAN ID will be cleared and mapped to the CIST Click the Clear button to clear up all VLAN IDs from the instance ID The cleared VLAN ID will be automatically mapped to the CIST gt VLAN Instance Mapping VLAN ID Instance ID Enter the desired VLAN ID After modification here the new VLAN ID will be added to the corresponding instance ID and the previous VLAN ID won t be replaced Enter the corresponding instance ID 7 3 3 Instance Port Config A port can play different roles in different spanning tree instance On this page you can configure the parameters of the ports in different instance IDs as well as view status of the ports in the specified instance 81 Choose the menu Spanning Tree MSTP Instance gt Instance Port Config to load the following page Port Config Instance ID 1 Port Select Port Priority Path Cost Port Role Port Status LAG O il O 1 128 Auto l O 2 128 Auto O 3 128 Auto O 4 128 Auto O 5 128 Auto O 6 128 Auto O 7 128 Auto O 8 128 Auto O g 128 Auto O 10 128 Auto LAG1 O 11 128 Auto LAG1 O 12 128 Auto LAG1 O 13 128 Auto LAG1 O 14 128 Auto O 15 128 Auto v Note Ifthe Path Cost of a portis setto 0 it will alter automatically according to the port s link speed Figure 7 9 Instance Port Config The following entries are displayed on this screen gt Port Config Instance ID Select the desired instance ID for its po
231. ticast IP is in the filtering IP range Permit Only the multicast packets whose multicast IP is in the IP range will be processed e Deny Only the multicast packets whose multicast IP is not in the IP range will be processed Enter the IP range ID the port will be bound to The binding IP range IDs of the port can be cleared by entering null value in this field and click Apply button to submit the configuration Specify the maximum number of multicast groups to prevent some ports taking up too much bandwidth Displays the LAG number which the port belongs to 1 Fast Leave on the port is effective only when the host supports IGMPv2 or IGMPv3 2 When both Fast Leave feature and Unknown Multicast Discard feature are enabled the leaving of a user connected to a port owning multi user will result in the other users intermitting the multicast business 3 Multicast Filter feature can only have effect on the VLAN with IGMP Snooping enabled 4 Multicast Filter feature has no effect on static multicast IP 5 Up to 15 IP Ranges can be bound to one port 8 1 4 IP Range On this page you can figure the desired IP ranges to be filtered 100 Choose the menu Multicast IGMP Snooping IP Range to load the following page Create IP Range IP Range ID 1 30 Start Multicast IP Format 225 0 0 1 End Multicast IP Format 225 0 0 1 IP Range Table IP Range ID Select IP Range ID Start Multicast
232. tion Here we use the standard port 514 Severity Specify the severity level of the log information sent to each log host Only the log with the same or smaller severity level value will be sent to the corresponding log host Status Enable Disable the log host Adore The Log Server software is not provided If necessary please download it on the Internet 14 2 4 Backup Log Backup Log feature enables the system logs saved in the switch to be output as a file for device diagnosis and statistics analysis When a critical error results in the breakdown of the system you can export the logs to get some related important information about the error for device diagnosis after the switch is restarted Choose the menu Maintenance gt Log Backup Log to load the following page Backup Log Click the button here to backup the log file Note It will take a few minutes to backup the log file Please wait without any operation Figure 14 6 Backup Log The following entry is displayed on this screen gt Backup Log Backup Log Click the Backup Log button to save the log as a file to your computer Mote It will take a few minutes to backup the log file Please wait without any operation 14 3 Device Diagnostics This switch provides Cable Test for device diagnose 14 3 1 Cable Test Cable Test functions to test the connection status of the cable connected to the switch which facilitates you to locate and diagnose the trouble spo
233. tion can monitor network effectively Event Group Event Group is used to define RMON events Alarms occur when an event is detected Statistic Group Statistic Group is set to monitor the statistic of alarm variables on the specific ports Alarm Group Alarm Group is configured to monitor the specific alarm variables When the value of a monitored variable exceeds the threshold an alarm event is generated which triggers the switch to act in the set way The RMON Groups can be configured on the History Control Event Config and Alarm Config pages 12 3 1 History Control On this page you can configure the History Group for RMON Choose the menu SNMP gt RMON gt History Control to load the following page History Control Table Select Index Port Interval sec Owner Status O Poti Disable v O 1 Port1 1800 monitor Disable O 2 Port 2 1800 monitor Disable Fj 3 Pot3 1800 monitor Disable O 4 Port 4 1800 monitor Disable O 5 Pont 5 1800 monitor Disable O 6 Port 6 1800 monitor Disable O T Port 1800 monitor Disable O 8 Parts 1800 monitor Disable O 9 Port 9 1800 monitor Disable O 10 Port 10 1800 monitor Disable O 11 Port 11 1800 monitor Disable O 12 Port 12 1800 monitor Disable Figure 12 9 History Control The following entries are displayed on this screen gt History Control Table Select Select the desired entry for configuration Index Displays the index number of the entry Port Specify the port
234. tion MAC address contained in the rule Enter MAC address mask If it is set to 1 it must strictly match the address 10 1 4 Standard IP ACL Standard IP ACLs analyze and process data packets based on a series of match conditions which can be the source IP addresses and destination IP addresses carried in the packets Choose the menu ACL ACL Config Standard IP ACL to load the following page Create Standard IP Rule ACL ID Rule ID Operation O sup O D P Standard IP ACL Permit v Mask Mask Figure 10 4 Create Standard IP Rule The following entries are displayed on this screen gt Create Standard IP ACL ACL ID Rule ID Operation S IP D IP Mask Select the desired Standard IP ACL for configuration Enter the rule ID Select the operation for the switch to process packets which match the rules e Permit Forward packets e Deny Discard Packets Enter the source IP address contained in the rule Enter the destination IP address contained in the rule Enter IP address mask If it is set to 1 it must strictly match the address 10 1 5 Extend IP ACL Extend IP ACLs analyze and process data packets based on a series of match conditions which can be the source IP addresses destination IP addresses IP protocol and other information of this sort carried in the packets 139 Choose the menu ACL ACL Config Extend IP ACL to load t
235. to connect to Host Name or IP address __ _ Bort _ 192 168 0 1 22 Connection type ORaw O Telnet O Rogn SSH Serial Load save or delete a stored session Saved Sessions Default Settings Close window on exit O lways O Never Only on clean exit 5 Click Browse to download the private key file to SSH client software and click Open it PuTTY Configuration Category Terminal Keyboard Bell Features Window Appearance Behaviour Translation Selection Colours Connection Data Proxy Telnet Rlogin SSH Kex TTY x11 Tunnels Bugs Options controlling SSH authentication C Bypass authentication entirely SSH 2 only Authentication methods Attempt authentication using Pageant C Attempt TIS or CryptoCard auth SSH 1 Attempt keyboard interactive auth SSH 2 Authentication parameters C Allow agent forwarding C Allow attempted changes of username in SSH 2 caa After successful authentication please enter the login user name If you log on to the switch without entering password it indicates that the key has been successfully downloaded P 192 168 0 1 PuTIY Return to CONTENTS 39 Chapter 5 Switching Switching module is used to configure the basic functions of the switch including five submenus Port LAG Traffic Monitor MAC Address and DHCP Filtering 5 1 Port The Port function allowing you to configure the basic features for the port is implemented on the
236. tus LAG O Disable v Alert v Auto O 1 Disable Alert Auto A O 2 Disable Alert Auto O 3 Disable Alert Auto O 4 Disable Alert Auto O 5 Disable Alert Auto O 6 Disable Alert Auto O 7 Disable Alert Auto O 8 Disable Alert Auto 3 O 9 Disable Alert Auto O 10 Disable Alert Auto O 11 Disable Alert Auto O 12 Disable Alert Auto O 13 Disable Alert Auto O 14 Disable Alert Auto O 15 Disable Alert Auto 4 Apply Figure 5 6 Loopback Detection Config The following entries are displayed on this screen gt Global Config LoopbackDetection Status Detection Interval Automatic Recovery Time Web Refresh Status Web Refresh Interval Here you can enable or disable Loopback Detection function globally Set a Loopback Detection interval between 1 and 1000 seconds By default it s 30 seconds Time after which the blocked port would automatically recover to normal status It can be set as integral times of detection interval Here you can enable or disable web automatic refresh Set a web refresh interval between 3 and 100 seconds By default it s 3 seconds 46 gt Port Config Port Select Click the Select button to quick select the corresponding port based on the port number you entered Select Select the desired port for Loopback Detection configuration It is multi optional Port Displays the port number Status Enable or disable Loopback Detection function for the port Operation Mode Se
237. ty Access Control to load the following page Access Control Config Control Mode Disable v IP Address Mask MAC Address Port 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Session Config Session Timeout 10 Access User Number Number Control Admin Number Guest Number min 5 30 Enable Disable 1 16 0 15 Figure 4 18 Access Control The following entries are displayed on this screen gt Access Control Config Control Mode IP Address amp Mask MAC Address Port gt Session Config Select the control mode for users to log on to the Web management page e P based Select this option to limit the IP range of the users for login e MAC based Select this option to limit the MAC Address of the users for login e Port based Select this option to limit the ports for login These fields can be available for configuration only when IP based mode is selected Only the users within the IP range you set here are allowed for login The field can be available for configuration only when MAC based mode is selected Only the user with this MAC Address you set here are allowed for login The field can be available for configuration only when Port based mode is selected Only the users connected to these ports you set here are allowed for login 32 Session Timeout If you do nothing with the Web management page within the timeout time th
238. umber 40 Description Give a description to the port for identification Status Allows you to Enable Disable the port When Enable is selected the port can forward the packets normally Speed and Duplex Select the Speed and Duplex mode for the port The device connected to the switch should be in the same Speed and Duplex mode with the switch When Auto is selected the Speed and Duplex mode will be determined by auto negotiation For the SFP port this switch does not support auto negotiation Flow Control Allows you to Enable Disable the Flow Control feature When Flow Control is enabled the switch can synchronize the speed with its peer to avoid the packet loss caused by congestion LAG Displays the LAG number which the port belongs to Mdote 1 The switch cannot be managed through the disabled port Please enable the port which is used to manage the switch 2 The parameters of the port members in a LAG should be set as the same 3 When using the SFP port with a 100M module or a gigabit module you need to configure its corresponding Speed and Duplex mode For 100M module please select 100MFD while select 1000MFD for gigabit module By default the Speed and Duplex mode of SFP port is 1000MFD 5 1 2 Port Mirror Port Mirror the packets obtaining technology functions to forward copies of packets from one multiple ports mirrored port to a specific port mirroring port Usually the mirroring port is con
239. un Time 184sec Current Port 15 Current Utilization 0 00 0 Graphic Example oO Rx o Tx Figure 4 3 Bandwidth Utilization gt Bandwidth Utilization Rx Select Rx to display the bandwidth utilization of receiving packets on this port 14 Tx Select Tx to display the bandwidth utilization of sending packets on this port 4 1 2 Device Description On this page you can configure the description of the switch including device name device location and system contact Choose the menu System System Info Device Description to load the following page Device Description Device Name TL SG2424 Device Location SHENZHEN Apply System Contact www tp link com Note The Device Name Location and Contact should be not more than 32 characters Figure 4 4 Device Description The following entries are displayed on this screen gt Device Description Device Name Enter the name of the switch Device Location Enter the location of the switch System Contact Enter your contact information 4 1 3 System Time System Time is the time displayed while the switch is running On this page you can configure the system time and the settings here will be used for other time based functions You can manually set the system time or synchronize with PC s clock as the system time Choose the menu System System Info System Time to load the following page Time Info Current System Date 2006 01 01 09 38 34 Sunday
240. ut Displays the maximum time for the switch to wait for the response from the management station before resending a request Retry Displays the amount of times the switch resends an inform request Operation Click the Edit button to modify the corresponding entry and click the Modify button to apply 12 3 RMON RMON Remote Monitoring based on SNMP Simple Network Management Protocol architecture functions to monitor the network RMON is currently a commonly used network management standard defined by Internet Engineering Task Force IETF which is mainly used to monitor the data traffic across a network segment or even the entire network so as to enable the network administrator to take the protection measures in time to avoid any network malfunction In addition RMON MIB records network statistics information of network performance and malfunction periodically based on which the management station can monitor network at any time effectively RMON is helpful for network administrator to manage the large scale network since it reduces the communication traffic between management station and managed agent gt RMON Group This switch supports the following four RMON Groups defined on the RMON standard RFC1757 History Group Event Group Statistic Group and Alarm Group 163 History Group After a history group is configured the switch collects and records network statistics information periodically based on which the management sta
241. volved from the 802 1D STP standard enable Ethernet ports to transit their states rapidly The premises for the port in the RSTP to transit its state rapidly are as follows 72 e The condition for the root port to transit its port state rapidly The old root port of the switch stops forwarding data and the designated port of the upstream switch begins to forward data e The condition for the designated port to transit its port state rapidly The designated port is an edge port or connecting to a point to point link If the designated port is an edge port it can directly transit to forwarding state if the designated port is connecting to a point to point link it can transit to forwarding state after getting response from the downstream switch through handshake gt RSTP Elements Edge Port Indicates the port connected directly to terminals P2P Link Indicates the link between two switches directly connected MSTP Multiple Spanning Tree Protocol compatible with both STP and RSTP and subject to IEEE 802 1s standard not only enables spanning trees to converge rapidly but also enables packets of different VLANs to be forwarded along their respective paths so as to provide redundant links with a better load balancing mechanism Features of MSTP e MSTP combines VLANs and spanning tree together via VLAN to instance mapping table It binds several VLANs to an instance to save communication cost and network resources e MSTP divides a
242. witch Select the mode to obtain IP Address for the switch e Static IP When this option is selected you should enter IP Address Subnet Mask and Default Gateway manually e DHCP When this option is selected the switch will obtain network parameters fromthe DHCP Server e BOOTP When this option is selected the switch will obtain network parameters fromthe BOOTP Server Enter the ID of management VLAN the only VLAN through which you can get access to the switch By default VLAN1 owning all the ports is the Management VLAN and you can access the switch via any port on the switch However if another VLAN is created and set to be the Management VLAN you may have to reconnect the management station to a port that is a member of the Management VLAN Enter the system IP of the switch The default system IP is 192 168 0 1 and you can change it appropriate to your needs Enter the subnet mask of the switch Enter the default gateway of the switch Changing the IP address to a different IP segment will interrupt the network communication so please keep the new IP address in the same IP segment with the local network The switch only possesses one IP address The IP address configured will replace the original IP address If the switch gets the IP address from DHCP server you can see the configuration of the switch in the DHCP server if DHCP option is selected but no DHCP server exists in the network a few minutes later the sw
243. work segment can receive it However only the requested server processes the request If the DHCP server acknowledges assigning this IP address to the client it will send the DHCP ACK packet back to the client Otherwise the Server will send the DHCP NAK packet to refuse assigning this IP address to the client DHCP Cheating Attack During the working process of DHCP generally there is no authentication mechanism between Server and Client If there are several DHCP servers in the network network confusion and security problem will happen The common cases incurring the illegal DHCP servers are the following two 1 2 lts common that the illegal DHCP server is manually configured by the user by mistake Hacker exhausted the IP addresses of the normal DHCP server and then pretended to be a legal DHCP server to assign the IP addresses and the other parameters to Clients For example hacker used the pretended DHCP server to assign a modified DNS server address to users so as to induce the users to the evil financial website or electronic trading website and cheat the users of their accounts and passwords The following figure illustrates the DHCP Cheating Attack implementation procedure 62 Switch with DHCP Snooping Function disabled Illegal DHCP Response Packets DHCP Client Illegal DHCP Server DHCP Server Figure 5 19 DHCP Cheating Attack Implementation Procedure DHCP Filtering feature allows only the trusted ports to f
244. ws with various access levels for SNMP Group Create SNMP User Required On the SNMP SNMP Config SNMP User page create SNMP User in the Group and configure the auth privacy mode and auth privacy password for the User Required On the SNMP SNMP Config Global Config page enable SNMP function globally Required On the SNMP gt SNMP Config SNMP View page create SNMP View of the management agent The default View Name is viewDefault and the default OID is 1 Create SNMP Required alternatively Community e Create SNMP Community directly ree On the SNMP SNMP Config gt SNMP Community page create SNMP Community based on SNMP v1 and SNMP v2c Create SNMP Group and SNMP User Similar to the configuration way based on Create SNMP SNMPv3 you can create SNMP Group and Group and SNMP SNMP User of SNMP v1 v2c The User name can limit access to the SNMP agent from SNMP network management station functioning as a community name The users can manage the device via the Read View Write View and Notify View defined in the SNMP Group Configure access level for the User User 161 12 2 Notification With the Notification function enabled the switch can initiatively report to the management station about the important events that occur on the Views e g the managed device is rebooted which allows the management station to monitor and process the events in time The notification information includes
245. y4215 34 R4yevi8FvfR4GzxaECfMMI35wCIhDwD b05b749 lt im ZYIFL wRWw naJOH49Nokrp BmzQSRDSHJW8TCx1 n3l nSx7dpu2ePe595UK GeuE aTerwfDvweR2e5TCTDxWDie NQ rsa key 20100120 Key fingerprint ssh tsa 1023 38 cd 9e 14 da b1 6a 9e 2b ff 43 69 e5 47 f4 60 Key comment rsa key 20140127 Key passphrase Confirm passphrase Actions Generate a public private key pair Generate Load an existing private key file Load Save the generated key Save public key Save private key Parameters Type of key to generate O SSH 1 RSA SSH 2 RSA O SSH 2 DSA Number of bits in a generated key 1024 3 On the Web management page of the switch download the public key file saved in the computer to the switch Key Download Choose the SSH public key file to download into switch Key Type 5SH 2 RSAIDSA Y Key File Mdvte 1 The key type should accord with the type of the key file 2 The SSH key downloading cannot be interrupted 4 After the public key and private key are downloaded please log on to the interface of PuTTY and enter the IP address for login 38 X Pul TY Configuration Category Session Logging Terminal Keyboard Bell Features Window Appearance Behaviour Translation Selection Colours Connection Data Proxy Telnet Rlogin SSH Kex Auth TTY x11 Basic options for your PuTTY session Specify the destination you want
246. you cannot enable the Storm Control and the Ingress rate control atthe same time Figure 9 12 Storm Control The following entries are displayed on this screen gt Storm Control Config Port Select Select Port Broadcast Rate bps Mulitcast Rate bps UL Frame Rate bps LAG Click the Select button to quick select the corresponding port based on the port number you entered Select the desired port for Storm Control configuration It is multi optional Displays the port number of the switch Select the bandwidth for receiving broadcast packets on the port The packet traffic exceeding the bandwidth will be discarded Select Disable to disable the storm control function for the port Select the bandwidth for receiving multicast packets on the port The packet traffic exceeding the bandwidth will be discarded Select Disable to disable the storm control function for the port Select the bandwidth for receiving UL Frame on the port The packet traffic exceeding the bandwidth will be discarded Select Disable to disable the storm control function for the port Displays the LAG number which the port belongs to 129 Adore If you enable storm control feature for the ingress rate limit enabled port ingress rate limit feature will be disabled for this port For TL SG2452 Storm Control Config Por 7 Select Port Broadcast Multicast UL Frame Rate bps LAG O Y 128k
247. ystem log The inforamtion in the log buffer is displayed on the Log Table page It will be lost when the switch is restarted e Log File Indicates the flash sector for saving system log The information in the log file will not be lost after the switch is restarted and can be exported on the Backup Log page Severity Specify the severity level of the log information output to each channel Only the log with the same or smaller severity level value will be output Status Enable Disable the channel 14 2 3 Remote Log Remote log feature enables the switch to send system logs to the Log Server Log Server is to centralize the system logs from various devices for the administrator to monitor and manage the whole network Choose the menu Maintenance Log Remote Log to load the following page Log Host Select Index Host IP UDP Port Severity Status O v v O 1 0 0 0 0 514 level_6 Disable O 2 0 0 0 0 514 level_6 Disable O 3 0 0 0 0 514 level_6 Disable O 4 0 0 0 0 514 level_6 Disable Apply Note 1 Up to 4 log hosts are supported 2 There are 8 severity levels marked with values 0 7 The smaller value has the higher priority Figure 14 5 Log Host 186 The following entries are displayed on this screen gt Log Host Index Displays the index of the log host The switch supports 4 log hosts Host IP Configure the IP for the log host UDP Port Displays the UDP port used for receiving sending log informa

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