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GE-DS-242-PoE Managed Ethernet Switch User Manual

1. O cpu Port Sea This page includes the following fields OBJECT DESCRIPTION VLAN Name Use this optional field to specify a name for the VLAN It can be up to 16 alphanumeric characters long including blanks You can configure the ID number of the VLAN by this item This field is Group ID used to add VLANs one at a time The VLAN group ID and available range is 2 4094 Port Indicate port 1 to port 26 Add Defines the interface as a Port Based member of a VLAN Member Remove Forbidden ports are not included in the VLAN NOTE All unselected ports are treated as belonging to another single VLAN If the port based VLAN is enabled the VLAN tagging is ignored 802 10 VLAN Tagged based VLAN is an IEEE 802 19 specification standard Therefore it is possible to create a VLAN across devices from different switch venders IEEE 802 10 VLAN uses a technique to insert a tag into the Ethernet frames Tag contains a VLAN Identifier VID that indicates the VLAN numbers You can create and delete Tag based VLAN There are 256 VLAN groups to provide configure Enable 802 1Q VLAN the all ports on the switch belong to default VLAN VID is 1 The default VLAN can t be deleted 60 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management Understanding the nomenclature of the Switch e EEE 802 10 Tagged and Untagged Every port on an 802 10 compliant switch can be configured as tagged or untagged
2. Example 2 GE DS 242 PoE Managed Ethernet Switch User Manual 185 Chapter 6 Command Line Interface Configure PoE Over Temperature Protection poe temperature protection enable x4 Description Configure PoE over temperature protection to enable or disable Command Level Global Configuration Syntax poe temperature protection enable disable Parameters lt Enable gt Enable PoE power budget change automatically by detected PoE unit temperature lt Disable gt Disable PoE power budget change automatically NOTE PoE temperature protection working in Priority mode or Total Limit mode only Configure PoE System poe limit mode Description Configure System PoE power limit mode information Command Level Global Configuration Syntax poe limit mode Port Priority Total Limit no poe limit mode Parameters lt Port Priority gt Deliver PoE power by port priority setting lt Total Limit gt Set limit value of the total POE port provided power to the PDs NOTE no poe limit mode No Limit 186 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 6 Command Line Interface Example GE DS 242 PoE Managed Ethernet Switch User Manual 187 Chapter 6 Command Line Interface Configure PoE Port poe enable Description Enabling or disabling the port POE injects function Command Level Global Configuration Syntax poe enable lt port list gt no poe enable lt p
3. OBJECT DESCRIPTION TFTP Server IP Address Type in your TFTP server IP Backup File Name Type in the file name Factory Default Reset Switch to default configuration Click the reset button to restore all configurations to the default value Figure 4 17 Factory Default interface PERPER oo o T7 Factory Default amp System System Information Reset Switch to Default Configuration IP Configuration SNMP Configuration Firmware Upgrade Configuration Backup Factory Default System Reboot B Port Configuration B Layer 2 Features B Security 8 Qos B Power over Ethernet 46 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management System Reboot Reboot the Switch with a software reset Click the reboot button to reboot the system Figure 4 18 System Reboot interface GE DS 242 PoE System Reboot Home amp System System Information Heb eboot Help IP Configuration SNMP Configuration Firmware Upgrade Configuration Backup Factory Default System Reboot Port Configuration Layer 2 Features Qos a a B Security o Power over Ethernet GE DS 242 PoE Managed Ethernet Switch User Manual 47 Chapter 4 Web Based Management Port Configuration In Port control you can configure the settings of each port to control the connection parameters the status of each port is listed below Figure 4 19 Port Control interface Port Control Rate Cont
4. Understanding IEEE 802 1X Port Based Authentication The IEEE 802 1X standard defines a client server based access control and authentication protocol that restricts unauthorized clients from connecting to a LAN through publicly accessible ports The authentication server authenticates each client connected to a switch port before making available any services offered by the switch or the LAN Until the client is authenticated 802 1X access control allows only Extensible Authentication Protocol over LAN EAPOL traffic through the port to which the client is connected After authentication is successful normal traffic can pass through the port This section includes this conceptual information e Device Roles e Authentication Initiation and Message Exchange e Ports in Authorized and Unauthorized States e Device Roles With 802 1X port based authentication the devices in the network have specific roles as shown below Figure 4 63 802 1x device role Authentication Server p 502 1 RADIUS Swatch Clients GE DS 242 PoE Managed Ethernet Switch User Manual 109 Chapter 4 Web Based Management Client the device workstation that requests access to the LAN and switch services and responds to requests from the switch The workstation must be running 802 1X compliant client software such as that offered in the Microsoft Windows XP operating system The client is the supplicant in the IEEE 802 1X specification e Authe
5. e Write private e Read public System Options Use this page to define management stations You can also define a name location and contact person for the Managed Switch 40 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management Figure 4 10 SNMP configuration interface SNMP Configuration System Options GE DS 242 PoE T SNMP Status Enable Current Strings Community Strings private__read write all public__read all only Remove Trap Managers Current Managers New Manager This page includes the following fields OBJECT DESCRIPTION System Name System Location System Contact SNMP Status An administratively assigned name for this managed node By convention this is the node s fully qualified domain name A domain name is a text string drawn from the alphabet A Za z digits 0 9 minus sign No space characters are permitted as part of a name The first character must be an alpha character And the first or last character must not be a minus sign The allowed string length is 0 to 255 The physical location of this node e g telephone closet 3rd floor The allowed string length is 0 to 255 and the allowed content is the ASCII characters from 32 to 126 The textual identification of the contact person for this managed node together with information on how to contact this person
6. Management Access Overview The Managed Switch gives you the flexibility to access and manage it using any or all of the following methods e Web browser interface e Anexternal SNMP based network management application e The Administration Console The Administration Console and Web browser interface support are embedded in the Managed Switch software and are available for immediate use Each of these management methods has their own advantages and disadvantages Table 3 1 compares the three management methods 22 GE DS 242 PoE Managed Ethernet Switch User Manual Table 3 1 Management Methods Comparison Chapter 3 Switch Management Method Advantages Disadvantages Web Browser SNMP Agent Console Ideal for configuring the switch remotely Compatible with all popular browsers Can be accessed from any location Most visually appealing Communicates with switch functions at the MIB level Based on open standards No IP address or subnet needed Text based Telnet functionality and HyperTerminal built into Windows 95 98 NT 2000 ME xP operating systems Secure Security can be compromised hackers need only Know the IP address and subnet mask May encounter lag times on poor connections Requires SNMP manager software Least visually appealing of all three methods Some settings require calculations Security can be compromised hackers need only know the community name Must be near swi
7. Tagged Ports with tagging enabled will put the VID number priority and other VLAN information into the header of all packets that flow into those ports If a packet has previously been tagged the port will not alter the packet thus keeping the VLAN information intact The VLAN information in the tag can then be used by other 802 1Q compliant devices on the network to make packet forwarding decisions Untagged Ports with untagging enabled will strip the 802 1Q tag from all packets that flow into those ports If the packet doesn t have an 802 1Q VLAN tag the port will not alter the packet Thus all packets received by and forwarded by an untagging port will have no 802 1Q VLAN information Remember that the PVID is only used internally within the Switch Untagging is used to send packets from an 802 10 compliant network device to a non compliant network device rame Income F 3 Income Frame is tagged Income Frame is untagged Frame Leave Leave port is tagged Frame remains tagged Tag is inserted LEAVE pori is Tag is removed Frame remain untagged untagged VLAN Group Configuration e VLAN Group Configuration Figure 4 27 VLAN Group Configuration interface Static VLAN VLAN Operation Mode 802 1Q VLAN Group VLAN Filter VLAN Information DEFAULT_1 Add Edit Delete _PrePage NextPage Help GE DS 242 PoE Managed Ethernet Switch User Manual 61 Chapter 4 Web Bas
8. The allowed string length is 0 to 255 and the allowed content is the ASCII characters from 32 to 126 Indicates the SNMP mode operation Possible modes are e Enabled Enable SNMP mode operation e Disabled Disable SNMP mode operation GE DS 242 PoE Managed Ethernet Switch User Manual 41 Chapter 4 Web Based Management Community Strings Community strings serve as passwords and can be entered as one of the following Figure 4 11 Community strings interface private__read write all public__read all only p String OOOO O Oro Onw This page includes the following fields OBJECT DESCRIPTION Here you can define the new community string set and remove the unwanted community string e String Fill the name string Community Strings e RO Read only Enables requests accompanied by this community string to display MIB object information e RW Read write Enables requests accompanied by this community string to display MIB object information and to set MIB objects ADD button Press the button to add the management SNMP community strings on the Managed Switch Press the button to remove the management SNMP community strings REMOVED ELON that you defined before on the Managed Switch Trap Managers A trap manager is a management station that receives the trap messages generated by the switch If no trap manager is defined no traps will be issued To define a management station as a trap manager
9. Chapter 3 Switch Management SNMP Based Network Management You can use an external SNMP based application to configure and manage the Managed Switch such as SNMPc Network Manager HP Openview Network Node Management NNM or What sup Gold This management method requires the SNMP agent on the switch and the SNMP Network Management Station to use the same community string This management method in fact uses two community strings the get community string and the set community string If the SNMP Net work management Station only knows the set community string it can read and write to the MIBs However if it only knows the get community string it can only read MIBs The default gets and sets community strings for the Managed Switch are public Figure 3 3 SNMP management Managed Switch PC Workstation with IE Brower IP Adress 192 168 0 100 Internets Intranet IP Adress 192 168 0 x Administration Console The administration console is an internal character oriented and command line user interface for performing system administration such as displaying statistics or changing option settings Using this method you can view the administration console from a terminal personal computer Apple Macintosh or workstation connected to the switch s console serial port There are two ways to use this management method via direct access or modem port access The following sections describe these methods For
10. Mac limit Description Set port MAC limit value O to turn off MAC limit of port Syntax Mac limit lt port list gt lt 1 64 gt show mac limit Description Show MAC limit information including MAC limit enable disable per port MAC limit setting 154 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 6 Command Line Interface Port Mirroring Configuration Port monitoring is a feature to redirect the traffic occurred on every port to a designated monitoring port on the switch With this feature the network administrator can monitor and analyze the traffic on the entire LAN segment In the Managed Switch you can specify one port to be the monitored ports and any single port to be the monitoring port You also can specify the direction of the traffic that you want to monitor After properly configured packets with the specified direction from the monitored ports are forwarded to the monitoring port NOTE The default Port Monitoring setting is disabled mirror port Description Set port monitoring information RX only TX only both RX and Tx Syntax mirror port lt rx tx both gt lt port id gt lt port list gt Parameters rx specifies monitoring rx only tx specifies monitoring tx only both specifies monitoring both rx and tx lt port id gt specifies the analysis port ID This port receives traffic from all monitored ports lt port list gt specifies the monitored port list show mirror po
11. the PSE shutdowns power to a disconnected port within 300 to 400ms The upper boundary is a physical human limit for disconnecting one PD and reconnecting another DC Disconnect DC Disconnect detection involves measurement of current Naturally a disconnected PD stops consuming current which can be inspected by the PSE The PSE must therefore disconnect power within 300 to 400 ms from the current flow stop The lower time boundary is important to prevent shutdown due to random fluctuations AC Disconnect This method is based on the fact that when a valid PD is connected to a port the AC impedance measured on its terminals is significantly lower than in the case of an open port disconnected PD 198 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 8 Power Over Ethernet Overview AC Disconnect detection involves the induction of low AC signal in addition to the 48 VDC operating voltage The returned AC signal amplitude is monitored by the PSE at the port terminals During normal operation the PD s relatively low impedance lowers the returned AC signal while a sudden disconnection of this PD will cause a surge to the full AC signal level and will indicate PD disconnection GE DS 242 PoE Managed Ethernet Switch User Manual 199 Chapter 8 Power Over Ethernet Overview 200 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 9 Troubleshooting This chapter contains information to help you solve common problems If
12. Each port of the Switch supports auto MDI MDI X detection That means you can directly connect the Switch to any Ethernet devices without making a crossover cable The following table and diagram show the standard RJ 45 receptacle connector and their pin assignments Contact MDI MDI X Media Dependant Interface Media Dependant Interface Cross Not used 45 The standard cable RJ 45 pin assignment 2345678 The standard RJ 45 receptacle connector There are 8 wires on a standard UTP STP cable and each wire is color coded The following shows the pin allocation and color of straight cable and crossover cable connection 204 GE DS 242 PoE Managed Ethernet Switch User Manual Figure 101 Straight Through and Crossover Cable Appendix A RJ 45 Pin Assignment Straight Cable 1 2 3 4 5 6 7 8 SIDE 1 1 2 3 4 5 6 7 8 SIDE 2 Crossover Cable 1 2 3 4 5 6 7 8 SIDE 1 1 2 3 4 5 6 7 8 SIDE 2 SIDE 1 1 White Orange 2 Orange 3 White Green 4 Blue 5 White Blue 6 Green 7 White Brown 8 Brown SIDE 1 1 White Orange 2 Orange 3 White Green 4 Blue 5 White Blue 6 Green 7 White Brown 8 Brown SIDE2 1 White Orange 2 Orange 3 White Green 4 Blue 5 White Blue 6 Green 7 White Brown 8 Brown SIDE2 1 White Green 2 Green 3 White Orange 4 Blue 5 White Blue 6 Orange 7 White Brown 8 Brown Please make sure y
13. having the LACP disabled is that a port joins the trunk group without any handshaking with its member ports but member ports won t know that they should be aggregated together to form a logic trunk group This column field allows the user to type in the total number of active port up to four With LACP static trunk group e g you assign four ports to be the members of a trunk group whose work ports column field is set as two the exceed ports are standby redundant ports and can be aggregated if working ports fail If it is a static trunk group non LACP the number of work ports must equal the total number of group member ports GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management NOTE A trunk group including member ports split between two switches has to enable the LACP function of the two switches Aggregator Information When you setup the LACP aggregator you will see relational information here LACP disabled Having set up the aggregator setting with LACP disabled you will see the local static trunk group information on the tab of Aggregator Information Figure 4 41 Assigning 2 ports to a trunk group with LACP disabled Trunking Aggregator Setting Agi jregator Information Figure 4 42 Static Trunking Group information Trunking Aggregator Information The following information provides a view of LACP current stat
14. most widely installed local area network technology adopted today PoE allows the electrical power necessary for the operation of each end device to be carried by data cables rather than by separate power cords New network applications such as IP Cameras VoIP Phones and Wireless Networking can help enterprises improve productivity It minimizes wires that must be used to install the network for offering lower cost and less power failures IEEE802 3af also called Data Terminal equipment DTE power via Media dependent interface MDI is an international standard to define the transmission for power over Ethernet The 802 3af is delivering 48V power over RJ 45 wiring Besides 802 3af also define two types of source equipment Mid Span and End Span e Mid Span Mid Span device is placed between legacy switch and the powered device Mid Span is tap the unused wire pairs 4 5 and 7 8 to carry power the other four is for data transmit e End Span End Span device is direct connecting with power device End Span could also tap the wire 1 2 and 3 6 GE DS 242 PoE Managed Ethernet Switch User Manual 193 Chapter 8 Power Over Ethernet Overview PoE System Architecture The specification of PoE typically requires two devices the Powered Source Equipment PSE and the Powered Device PD The PSE is either an End Span or a Mid Span while the PD is a PoE enabled terminal such as IP Phones Wireless LAN etc Power can be delivered over data
15. 20 000 000 Fast Ethernet 10 60 20 000 2 000 000 Gigabit Ethernet 3 10 2 000 200 000 Table 4 2 Recommended STP Path Cost Range Port Type Link Type IEEE 802 1D 1998 IEEE 802 1w 2001 Ethernet Half Duplex 100 2 000 000 Full Duplex 95 1 999 999 Trunk 90 1 000 000 Fast Ethernet Half Duplex 19 200 000 Full Duplex 18 100 000 Trunk 15 50 000 Gigabit Ethernet Full Duplex 4 10 000 Trunk 3 5 000 80 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management Trunking Port trunking is the combination of several ports or network cables to expand the connection speed beyond the limits of any one single port or network cable The Managed Switch supports two types of port trunk technology e Static Trunk e LACP The Link Aggregation Control Protocol LACP provides a standardized means for exchanging information between Partner Systems on a link to allow their Link Aggregation Control instances to reach agreement on the identity of the Link Aggregation Group to which the link belongs move the link to that Link Aggregation Group and enable its transmission and reception functions in an orderly manner Link aggregation lets you group up to eight consecutive ports into a single dedicated connection This feature can expand bandwidth to a device on the network LACP operation requires full duplex mode more detail information refers to IEEE 802 3ad Figure 4 39 Aggregator s
16. 220 gt specifies the group id GE DS 242 PoE Managed Ethernet Switch User Manual 177 Chapter 6 Command Line Interface Description Show ACL group information Syntax show acl lt 1 220 gt Parameters lt 1 220 gt specifies the group id null means all valid groups e g Switchi config show acl 1 Group Id 1 178 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 6 Command Line Interface acl add edit lt 1 220 gt permit deny lt 0 4094 gt ipv4 lt 0 255 gt Description Add or edit ACL group for Ipv4 Syntax acl add edit lt 1 220 gt permit deny lt 0 4094 gt ipv4 lt 0 255 gt A B C D A B C D A B C D A B C D check unCheck lt 0 65535 gt lt 0 26 gt Parameters add edit specifies the operation lt 1 220 gt specifies the group id permit deny specifies the action permit permit packet cross switch deny drop packet lt 0 4094 gt specifies the VLAN id 0 means don t care lt 0 255 gt specifies the IP protocol 0 means don t care A B C D specifies the Source IP address 0 0 0 0 means don t care A B C D specifies the Mask 0 0 0 0 means don t care 255 255 255 255 means compare all A B C D specifies the Destination IP Address 0 0 0 0 means don t care A B C D specifies the Mask 0 0 0 0 means don t care 255 255 255 255 means compare alll check unCheck specifies the IP Fragment check Check IP fragment field unCheck Not check IP fragment field lt 0
17. 65535 gt specifies the Destination port number if TCP or UDP O means don t care lt 0 26 gt specifies the Port id 0 means don t care e g This ACL rule will drop all packet from IP is 192 168 1 1 with VLAN id 1 and IPv4 GE DS 242 PoE Managed Ethernet Switch User Manual 179 Chapter 6 Command Line Interface acl add edit lt 1 220 gt qosvoip lt 0 4094 gt Description Add or edit ACL group for Ipv4 Syntax acl add edit lt 1 220 gt qosvoip lt 0 4094 gt lt 0 7 gt lt 0 1F gt lt 0 1F gt lt 0 FF gt lt 0 FF gt lt 0 FFFF gt lt 0 FFFF gt lt 0 FFFF gt lt 0 FFFF gt Parameters addledit specifies the operation lt 1 220 gt specifies the group id qosvoip specifies the action do qos voip packet adjustment lt 0 4094 gt specifies the VLAN id 0 means don t care lt 0 1F gt specifies the port ID value lt 0 1F gt specifies the port ID mask lt 0 FF gt specifies the protocol value lt 0 FF gt specifies the protocol mask lt 0 FFFF gt specifies the source port value lt 0 FFFF gt specifies the source port mask lt 0 FFFF gt specifies the destination port value lt 0 FFFF gt specifies the destination mask e g acl add 1 qosvoip 1711000000 Non Ipv4 ACL commands no acl lt 1 220 gt and show acl lt 1 220 gt commands are same as Ipv4 ACL commands 180 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 6 Command Line Interface acl add edit lt 1 2
18. 78 12 BE E at Dynamic Poit 00 14 5E 7F 97 F8 tt Dynamic MAC Table Entries OBJECT DESCRIPTION NO The index of the MAC address entry MAC The MAC address of the entry PORT The ports that are members of the entry VID The VLAN ID of the entry Type Indicates whether the entry is a static or dynamic entry e Click Clear to clear the dynamic MAC addresses information of the current port shown on the screen 88 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management Static MAC Table You can add a static MAC address that remains in the switch s address table regardless of whether the device is physically connected to the switch This saves the switch from having to re learn a device s MAC address when the disconnected or powered off device is active on the network again Via this interface you can add modify delete a static MAC address Add the Static MAC Address You can add a static MAC address in the switch MAC table here Figure 4 49 Static MAC Addresses interface Forwarding and Filtering Dynamic MAC Tatie mac tering Dynamic addresses currently defined on the switch are listed below Click Add to add a new static entry to the address table MAC Address PORT VID 00 30 4F 11 22 33 1 1 MAC Address 00 20 4F 22 2044 Port num Portz0 E VLAN ID qo This page includes the following fields OBJECT DESCRIPTION Enter the MAC address of the port that
19. Corporation All rights reserved Panel Display The web agent displays an image of the Managed Switch s ports The Mode can be set to display different information for the ports including Link up or Link down Clicking on the image of a port opens the Port Statistics page 32 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management The port states are illustrated as follows State Disabled Down Link RJ 45 Ports i J SFP Ports PoE Ports Main Menu Using the onboard web agent you can define system parameters manage and control the Managed Switch and all its ports or monitor network conditions Via the Web Management the administrator can setup the Managed Switch by select the functions those listed in the Main Function The screen in Figure 4 5 appears Figure 4 5 GE DS 242 PoE Managed Switch Main Functions Menu MENU Home System Port Configuration Port Control Port Status Port Statistics Port Sniffer Layer 2 Features VLAN Static VLAN QinQ VLAN Trunking Forwarding amp Filtering IGMP Snooping Spanning Tree Security Qos Power over Ethernet GE DS 242 PoE Managed Ethernet Switch User Manual 33 Chapter 4 Web Based Management System Use the System menu items to display and configure basic administrative details of the Managed Switch Under System the following topics are provided to configure and view the system information This section has the following
20. Ethernet Overview 193 What is PoE 193 Chapter 9 Troubleshooting 201 Appendix A RJ 45 Pin Assignment 203 Switch s RJ 45 Pin Assignments 203 10 100Mbps 10 100Base TX 204 ii GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 1 Introduction The GE Security GE DS 242 PoE offers 24 10 100Mbps Fast Ethernet ports with 2 Gigabit TP SFP combo ports Port 25 26 The two Gigabit TP SFP combo ports can be either 1000Base T for 10 100 1000Mbps or 1000Base Sx LX through SFP Small Form Factor Pluggable interface The GE DS 242 PoE has a high performance switch architecture that is capable of providing non blocking switch fabric and wire speed throughput as high as 8 8Gbps Its two built in GbE uplink ports also offer incredible extensibility flexibility and connectivity to the Core switch or Server The PoE in line power following the standard IEEE 802 3af makes the GE DS 242 PoE able to power on 24 PoE devices at the distance up to 100 meters through the 4 pair Cat 5 5e UTP wire GE DS 242 PoE Managed Ethernet Switch User Manual 1 Chapter 1 Introduction Package Contents What s in the box Open the Managed Switch box and carefully unpack it The box should contain the following items The Managed Switch x1 User s manual CD x1 Installation Sheet x1 19 Rack mount accessory kit x1 Power cord x1 Rubber feet X4 RS 232 cable x1 If any of these are missing or damaged please contact your dealer immediately If poss
21. Off Off Off On On Portia On Down Off off off on On_ Portis On Down off off Off fon On Porti6 On Down a Off Off Off onf On Port17 On Down oa sts Off Off off On On Port18 On Down o e ee zre OF Off Off On On Port19 On Down lee a Off Off off On On Port20 On Down of off Off jon On Port21 On Down eee ae Off Off off On On Port22 On Down Off Off Off On On Port23 _On Down off Off Off __ On On Port24 On Down Off Off Off On On Port25 On Down sae Off Off Off On On Port26 On Up Auto 1000 Full Off Off Off Off On On 50 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management Port Statistics The following chart provides the current statistic information which displays the real time packet transfer status for each port The user might use the information to plan and implement the network or check and find the problem when the collision or heavy traffic occurs Figure 4 21 Port Statistics interface Port Statistics The following information provides a view of the current status of the unit This page includes the following fields OBJECT DESCRIPTION Port The port number Link The status of linking Up or Down State Set by Port Control When the state is disabled the port will not tra
22. Protocol SNMP is an application layer protocol that facilitates the exchange of management information between network devices It is part of the Transmission Control Protocol Internet Protocol TCP IP protocol suite SNMP enables network administrators to manage network performance find and solve network problems and plan for network growth Figure 4 9 SNMP configuration interface MENU Home SNMP Configuration amp System GE DS 242 PoE System Options System Information 7 Name GE DS 242 PoE IP Configuration ame c SNMP Configuration Location No Location Contact No Contact SNMP Status Enade E Community Strings _ Current Strings New Community String lt lt Add lt lt onan Remove ro Orw B Power over Ethernet Trap Managers Current Managers New Manager none Laai IP Address me Communi An SNMP managed network consists of four key components Network management stations NMSs SNMP agents Management information base MIB and network management protocol e Network management stations NMSs Sometimes called consoles these devices execute management applications that monitor and control network elements Physically NMSs are usually engineering workstation caliber computers with fast CPUs megapixel color displays substantial memory and abundant disk space At least one NMS must be present in each managed environment e SNMP Agents Agents
23. and indeed the entire network if all network devices are 802 1Q compliant Every physical port on a switch has a PVID 802 1Q ports are also assigned a PVID for use within the switch If no VLAN are defined on the switch all ports are then assigned to a default VLAN with a PVID equal to 1 Untagged packets are assigned the PVID of the port on which they were received Forwarding decisions are based upon this PVID in so far as VLAN are concerned Tagged packets are forwarded according to the VID contained within the tag Tagged packets are also assigned a PVID but the PVID is not used to make packet forwarding decisions the VID is Tag aware switches must keep a table to relate PVID within the switch to VID on the network The switch will compare the VID of a packet to be transmitted to the VID of the port that is to transmit the packet If the two VID are different the switch will drop the packet Because of the existence of the PVID for untagged packets and the VID 56 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management for tagged packets tag aware and tag unaware network devices can coexist on the same network A switch port can have only one PVID but can have as many VID as the switch has memory in its VLAN table to store them Because some devices on a network may be tag unaware a decision must be made at each port on a tag aware device before packets are transmitted should the packet to be tra
24. and is used by the 802 1Q standard Because the VID is 12 bits long 4094 unique VLAN can be identified The tag is inserted into the packet header making the entire packet longer by 4 octets All of the information originally contained in the packet is retained GE DS 242 PoE Managed Ethernet Switch User Manual 55 Chapter 4 Web Based Management 802 1Q Tag User Priority CFI VLAN ID VID l 3 bits 1 bits 12 bits TPID Tag Protocol Identifier TCI Tag Control Information 2 bytes 2 bytes Destination Source j ae i Ethernet Preamble Address Addr ss VLAN TAG Type Data FCS 6 bytes 6 bytes 4 bytes 2bytes 46 1517 bytes 4 bytes The Ether Type and VLAN ID are inserted after the MAC source address but before the original Ether Type Length or Logical Link Control Because the packet is now a bit longer than it was originally the Cyclic Redundancy Check CRC must be recalculated Adding an IEEE802 1Q Tag Dest Addr Src Addr Length E type Data Old CRC Original Ethernet Dest Addr Src Addr E type Tag l Length E type Data New CRC P Dan New Tagged Packet Priority CFI VLAN ID Port VLAN ID Packets that are tagged are carrying the 802 1Q VID information can be transmitted from one 802 1Q compliant network device to another with the VLAN information intact This allows 802 1Q VLAN to span network devices
25. are software modules that reside in network elements They collect and store management information such as the number of error packets received by a network element GE DS 242 PoE Managed Ethernet Switch User Manual 39 Chapter 4 Web Based Management e Management information base MIB A MIB is a collection of managed objects residing in a virtual information store Collections of related managed objects are defined in specific MIB modules e Network management protocol A management protocol is used to convey management information between agents and NMSs SNMP is the Internet community s de facto standard management protocol SNMP Overview SNMP itself is a simple request response protocol NMSs can send multiple requests without receiving a response e Get Allows the NMS to retrieve an object instance from the agent e Set Allows the NMS to set values for object instances within an agent e Trap Used by the agent to asynchronously inform the NMS of some event The SNMPv2 trap message is designed to replace the SNMPv1 trap message SNMP Community An SNMP community is the group that devices and management stations running SNMP belong to It helps define where information is sent The community name is used to identify the group A SNMP device or agent may belong to more than one SNMP community It will not respond to requests from management stations that do not belong to one of its communities SNMP default communities are
26. assign an IP address enter the SNMP community strings and select the SNMP trap version Figure 4 12 Trap managers interface Trap Managers Current Managers IP Address Remove Community 42 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management This page includes the following fields OBJECT DESCRIPTION IP Address Enter the IP address of the trap manager Community Enter the community string for the trap station Firmware Upgrade It provides the functions allowing the user to update the switch firmware via the Trivial File Transfer Protocol TFTP server Before updating make sure the TFTP server is ready and the firmware image is located on the TFTP server TFTP Firmware Upgrade The Firmware Upgrade page provides the functions to allow a user to update the Managed Switch firmware from the TFTP server in the network Before updating make sure you have your TFTP server ready and the firmware image is on the TFTP server The screen in Figure 4 13 appears Use this menu to download a file from specified TFTP server to the Managed Switch Figure 4 13 Firmware Upgrade interface Firmware Upgrade TFTP Firmware Upgrade TFTP Server IP Address i Firmware File Name This page includes the following fields OBJECT DESCRIPTION TFTP Server IP Address Type in your TFTP server IP Firmware File Name Type in the name of the firmware image file
27. can direct assign number Port Id Source port id from 1 26 0 means don t care 0 Current List You create ACL and Binding groups Non IPv4 ACL In Packet Type Binding box should select Non IPv4 OBJECT DESCRIPTION DEFAULT VALUE Group ID 1 247 max 247 ACL group Action Permit Deny Permit Permit Permit packet cross switch Deny Drop packet VLAN Any VID Any Any Any VLAN ID VID 1 4094 A certain VLAN ID Packet Type IPv4 Non IPv4 Binding IPv4 IPv4 Set Ipv4 packet field Non IPv4 Set non Ipv4 packet field Binding Set binding entry Ether Type Set this field if Packet Type is Non IPv4 else ignore Any Any ARP 0x0806 IPX 0x8137 Type Set this field if Packet Type is Non IPv4 else ignore O OxFFFF If ether type not find in Ether assign number ype field you can direct Current List You create ACL and Binding groups GE DS 242 PoE Managed Ethernet Switch User Manual 105 Chapter 4 Web Based Management Binding Let device that has specific IP address and MAC address can use network We can set specific IP address MAC address VLAN id and port id to bind and device can cross switch if all conditions match Use binding function we should enable it first in following page In Packet Type Binding box should select Binding OBJECT Group ID Action VLAN Packet Type MAC Address IP Address Port Id Current List 106 DESCRIPTION 1 247 max 247 ACL group Permit D
28. cease inrush current consumption of over 350 mA within 50 ms of power provision startup GE DS 242 PoE Managed Ethernet Switch User Manual 197 Chapter 8 Power Over Ethernet Overview Operation During normal operation the PSE provides 44 57 VDC able to support a minimum of 15 4 watts power Power Overloads The IEEE 802 3af standard defines handling of overload conditions In the event of an overload a PD drawing a higher power level than the allowed 12 95 Watts or an outright short circuit caused by a failure in cabling or in the PD the PSE must shut down power within 50 to 75 milliseconds while limiting current drain during this period to protect the cabling infrastructure Immediate voltage drop is avoided to prevent shutdown due to random fluctuations Power Disconnection Scenarios The IEEE 802 3af standard requires that devices powered over Ethernet be disconnected safely i e power needs be shut down within a short period of time following disconnection of a PD from an active port When a PD is disconnected there is a danger that it will be replaced by a non PoE ready device while power is still on Imagine disconnecting a powered IP phone utilizing 48 VDC then inadvertently plugging the powered Ethernet cable into a non PoE notebook computer What s sure to follow is not a pretty picture The standard defines two means of disconnection DC Disconnect and AC Disconnect both of which provide the same functionality
29. device s startup screen 12 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 2 Installation Reset button At the left of front panel the Reset button is designed to reboot the Managed Switch without turning the power off The following table summarizes the Reset button functions Reset Button Pressed and Released Function About 1 3 seconds Reboots the Managed Switch Resets the Managed Switch to Factory Default configuration The Managed Switch will then reboot and load the default settings as below e Default Password admin e Default IP address 192 168 0 100 e Subnet mask 255 255 255 0 e Default Gateway 192 168 0 254 Until the PWR LED goes out LED Indicators The front panels LEDs indicate instant status of port links data activity and system power They help monitor the system and aid in troubleshooting when necessary The front panel LEDs are shown in Figure 2 2 Figure 2 2 GE DS 242 PoE LED panel 7y aT a ie GE DS 242 PoE Managed Ethernet Switch User Manual 13 Chapter 2 Installation e System LED Color Function PWR Green Lit indicates there is power to the Switch e Per 10 100Base TX PoE interfaces Port 1 to Port 24 LED Color Function Lit indicates the link through that port is successfully established LNK ACT Green o paaa o Blink indicares the Switch is actively sending or receiving data over that port Lit indicates the port is providing 48
30. every switch in the network goes through the blocking state and then transitions through the states of listening and learning at power up If properly configured each port stabilizes to the forwarding or blocking state No packets except BPDUs are forwarded from or received by STP enabled ports until the forwarding state is enabled for that port STP Parameters STP Operation Levels The Switch allows for two levels of operation the switch level and the port level The switch level forms a spanning tree consisting of links between one or more switches The port level constructs a spanning tree consisting of groups of one or more ports The STP operates in much the same way for both levels 72 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management NOTE On the switch level STP calculates the Bridge Identifier for each switch and then sets the Root Bridge and the Designated Bridges On the port level STP sets the Root Port and the Designated Ports The following are the user configurable STP parameters for the switch PARAMETER DESCRIPTION DEFAULT VALUE A combination of the User set priority and the Bridge Identifier Not switch s MAC address user configurable The Bridge Identifier consists of two parts 32768 MAC except by setting priority below a 16 bit priority and a 48 bit Ethernet MAC address 32768 MAC A relative priority for each switch lower numbers Priority giv
31. for refer to the data sheet and user documentation for details For the latest product information contact your local supplier or visit us online at www gesecurity com This equipment has been tested and found to comply with 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 You are cautioned that any changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment CE Gras GE Security Inc HQ and regulatory responsibility GE Security Inc 8985 Town Center Parkway Bradenton FL 34202 USA EU authorized manufacturing representative GE Security B V Kelvinstraat 7 6003 DH Weert The Netherlands 2002 96 EC WEEE directive Products marked with this symbol cannot be disposed of as unsorted municipal waste in the European Union For proper recycling return this product to your local supplier upon the purchase of equivalent new equipment or dispose of it at designated collection points For more information see www recyclethis info For contact information see our Web site www gesecu
32. in Disable mode The Tag Protocol Identifier TPID specifies the ethertype of incoming packets on a tunnel access port o 802 1Q Tag 8100 o VMAN Tag 88A8 Default 802 19 Tag Check Sets the Port to QinQ mode Or the port operates in its normal VLAN mode Default Un check GE DS 242 PoE Managed Ethernet Switch User Manual 67 Chapter 4 Web Based Management OBJECT DESCRIPTION Check Configures IEEE 802 19 tunneling QinQ for an uplink port to another device within the service provider network QinQ Uplink Cancel Configures IEEE 802 10 tunneling QinQ for a client access port to segregate and preserve customer VLAN IDs for traffic crossing the service provider network Q in Q Tunnel Setting Business customers of service providers often have specific requirements for VLAN IDs and the number of VLANs to be supported The VLAN ranges required by different customers in the same service provider network might overlap and traffic of customers through the infrastructure might be mixed Assigning a unique range of VLAN IDs to each customer would restrict customer configurations and could easily exceed the VLAN limit 4096 of the IEEE 802 10 specification Using the QinQ feature service providers can use a single VLAN to support customers who have multiple VLANs Customer VLAN IDs are preserved and traffic from different customers is segregated within the service provider network even when they appear to be in the same
33. is accomplished by inserting Service Provider VLAN SPVLAN tags into the customer s frames when they enter the service provider s network and then stripping the tags when the frames leave the network A service provider s customers may have specific requirements for their internal VLAN IDs and number of VLANs supported VLAN ranges required by different customers in the same service provider network might easily overlap and traffic passing through the infrastructure might be mixed Assigning a unique range of VLAN IDs to each customer would restrict customer configurations require intensive processing of VLAN mapping tables and could easily exceed the maximum VLAN limit of 4096 Customer A s LAN Customer A s LAN Headquarter Ea l Branch Office GE DS 242 PoE MAN Edge Switch ay MAN Service Provider Domain GRE MAN Edge Switch GE DS 242 PoE MAN Edge Switch Customer B s LAN Factory Customer B s LAN Headquarter The Managed Switch supports multiple VLAN tags and can therefore be used in MAN applications as a provider bridge aggregating traffic from numerous independent customer LANs into the MAN Metro Access Network space One of the purposes of the provider bridge is to recognize and use VLAN tags so that the VLANs in the MAN space can be used independent of the customers VLANs This is accomplished by adding a VLAN tag with a MAN related VID for frames entering the MAN When leaving the MA
34. items System Information Provides basic system description including contact information IP Configuration Sets the IP address for management access SNMP Configuration Configure SNMP agent and SNMP Trap Firmware Upgrade Upgrade the firmware via TFTP server or Web Brower file transfer Save view the Managed Switch configuration to remote host Configuration Backup Upload the switch configuration from remote host Factory Default Reset the configuration of the Managed Switch System Reboot Restarts the Managed Switch System Information The System information page has two parts Basic and Misc Config Basic The Basic System Info page provides information for the current device information Basic System Info page helps a switch administrator to identify the model name firmware hardware version and MAC address The screen in Figure 4 6 appears Figure 4 6 Basic System Information screenshot System Information E coro Modei Name GE DS 242 PoE 24 Port 10 100Mbps 2G TP SFP Combo Managed PoE Switch Hardware Version 1 0 34 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management This page includes the following fields OBJECT DESCRIPTION MODEL NAME Displays the system name of the Managed Switch DESCRIPTION Describes the Managed Switch MAC ADDRESS Displays the unique hardware address assigned by manufacturer default FIRMWARE VERSION Displays the Managed
35. lt 2 forward delay 1 162 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 6 Command Line Interface spanning tree maximum age Description Set spanning tree maximum age in seconds Syntax spanning tree maximum age lt 6 40 gt Parameters lt 6 40 gt specifies the maximum age in seconds Default value is 20 NOTE The parameters must enforce the following relationships 2 hello time 1 lt maximum age lt 2 forward delay 1 spanning tree priority Description Set spanning tree bridge priority Syntax spanning tree priority lt 0 61440 gt Parameters lt 0 61440 gt specifies the bridge priority The value must be in steps of 4096 spanning tree port path cost Description Set spanning tree port path cost Syntax spanning tree port path cost lt 1 200000000 gt lt port list gt Parameters lt 1 200000000 gt specifies port path cost lt port list gt specifies the ports to be set Null means all ports GE DS 242 PoE Managed Ethernet Switch User Manual 163 Chapter 6 Command Line Interface spanning tree port priority Description Set spanning tree port priority Syntax spanning tree port priority lt 0 240 gt lt port list gt Parameters lt 0 240 gt specifies the port priority The value must be in steps of 16 lt port list gt specifies the ports to be set Null means all ports show spanning tree Description Show spanning tree information s
36. should permanently forward mac Address traffic regardless of the device network activity Port Num Pull down the selection menu to select the port number VLAN ID The VLAN ID for the entry MAC Filtering By filtering MAC address the switch can easily filter the pre configured MAC address and increase the security You can add and delete filtering MAC address GE DS 242 PoE Managed Ethernet Switch User Manual 89 Chapter 4 Web Based Management Figure 4 50 MAC Filtering interface Forwarding and Filtering Dynamic MAC Table Static MAC Table MAC Filtering Specify a MAC address to filter 00 30 4F 55 66 77 00 30 4F 77 2B FC 1 1 MAC Address 00 30 4F 77 88 99 VLAN ID 2 no maco SOURCEVID TYPE 1 00 30 4F 55 66 77 Filter 1 Static Fd 00 30 4F 77 2B FC Filter Static This page includes the following fields OBJECT DESCRIPTION MAC Address Enter the MAC address that you want to filter VLAN ID The VLAN ID for the entry 90 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management IGMP Snooping Theory The Internet Group Management Protocol IGMP lets host and routers share information about multicast groups memberships IGMP snooping is a switch feature that monitors the exchange of IGMP messages and copies them to the CPU for feature processing The overall purpose of IGMP Snooping is to limit the forwarding of multicast frames to only ports that are a member of the mu
37. split the PoE 48V DC over the Ethernet cable into 5 9 12V DC power output It frees the device deployment from restrictions due to power outlet locations which eliminate the costs for additional AC wiring and reduces the installation time 3 12 watts Power Management In a power over Ethernet system operating power is applied from a power source PSU power supply unit over the LAN infrastructure to powered devices PDs which are connected to ports Under some conditions the total output power required by PDs can exceed the maximum available power provided by the PSU The system may a prior be planed with a PSU capable of supplying less power than the total potential power consumption of all the PoE ports in the system In order to maintain the majority of ports active power management is implemented 116 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management The PSU input power consumption is monitored by measuring voltage and current The input power consumption is equal to the system s aggregated power consumption The power management concept allows all ports to be active and activates additional ports as long as the aggregated power of the system is lower than the power level at which additional PDs cannot be connected When this value is exceeded ports will be deactivated according to user defined priorities The power budget is managed according to the following user definable parameters maximum
38. the cable to the network devices printer servers workstations routers etc Step 5 Connect the Managed Switch to supply power A Connect socket end of the power cable to the socket on the Managed Switch rear panel B Connect the power cable plug to a standard wall outlet C Switch the power switch on the rear panel to ON When the Managed Switch receives power the Power LED should light and remain solid Green Rack mount Installation Use the following instructions to install the Managed Switch in a 19 inch standard rack 16 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 2 Installation Step 1 Place the Managed Switch on a hard flat surface with the front panel positioned towards the front CAUTION Use only the screws supplied with the mounting brackets Damage caused by using incorrect screws will invalidate the warranty Step 2 Attach the rack mount bracket to each side of the Managed Switch Use the supplied screws attached to the package Figure 2 5 shows how to attach brackets to one side of the Managed Switch Figure 2 5 Attaching rack mount brackets to the GE DS 242 PoE Step 3 Secure the brackets tightly but do not overtighten screws Step 4 Follow the same steps to attach the second bracket to the opposite side Step 5 After the brackets are attached to the Managed Switch use suitable screws to securely attach the brackets to the rack as shown in Figure 2 6 Figure 2 6 Mounting t
39. to 1000Base Lx 2 Verify that the fiber optic cable type matches the SFP transceiver model e To connect to the 1000Base SXxX SFP transceiver use multi mode fiber cable one side must be male duplex LC connector type e To connect to the 1000Base LX SFP transceiver use single mode fiber cable one side must be male duplex LC connector type Connect the fiber cable 1 Attach the duplex LC connector on the network cable into the SFP transceiver 2 Connect the other end of the cable to a device switches with SFP installed fiber NIC on a workstation or a Media Converter 3 Check the LNK ACT LED of the SFP slot on the front of the Switch Ensure that the SFP transceiver is operating correctly 4 Check the Link mode of the SFP port if the link failed Co works with some fiber NICs or Media Converters set the Link mode to 1000 Force is needed Remove the transceiver module 1 Make sure there is no network activity by consult or check with the network administrator or through the management interface of the switch converter if available to disable the port in advance 2 Remove the Fiber Optic Cable gently 3 Turn the handle of the MGB module to horizontal 4 Pull out the module gently through the handle GE DS 242 PoE Managed Ethernet Switch User Manual 19 Chapter 2 Installation Figure 2 8 Pulling out the SFP transceiver CAUTION Never pull out the module without pulling the handle or the push bolts on
40. to be updated HTTP Firmware Upgrade The HTTP Firmware Upgrade page contains fields for downloading system image files from the Local File browser to the device The Web Firmware Upgrade screen in Figure 4 14 appears GE DS 242 PoE Managed Ethernet Switch User Manual 43 Chapter 4 Web Based Management Figure 4 14 HTTP Firmware Upgrade interface HTTP Firmware Upgrade Note Firmware upgrade needs several minutes Please wait a while then manually refresh the webpage To open Firmware Upgrade screen perform the following 1 Click System gt Web Firmware Upgrade 2 The Firmware Upgrade screen is displayed as in Figure 4 14 3 Click the Browse button of the main page the Choose file window will appear 4 Select the firmware file then click the Open button to load the file Choose file Look in Firmware GE ee B E ds242 icon Pa 4 E GE D5242 1 10b090910 1530_sdk0910_noSNMPv3 imq My Recent E Ge p5242 v1 10b090917 1812_sdk0910_noSNMPy3 img Documents E GE D5242 v1 10b090921 1035_sdk0918_no5NMPv3 img E GE D5242 v1 10b090922 1002_sdk0921_noSNMPv3 imq E GE D5242 1 10b090925 1918_sdk0921_noSNMP 3 img Desktop E GE D5242 v1 10b090928 1926_sdk0927_noSNMP v3 img E GE D5 242 PoE v1 10b091015 1417_sdk0928_noSNMPv3 img gt i Thumbs db Places My Network File name 1 10b091015 1417 sdk0928_noSNMPv3 ime Files of type Jal Files bas The Firmware upgrad
41. 20 gt permit deny lt 0 4094 gt nonipv4 lt 0 65535 gt Description Add or edit ACL group for non Ipv4 Syntax acl add edit lt 1 220 gt permit deny lt 0 4094 gt nonipv4 lt 0 65535 gt Parameters add edit specifies the operation lt 1 220 gt specifies the group id permit deny specifies the action permit permit packet cross switch deny drop packet lt 0 4094 gt specifies the VLAN id 0 means don t care lt 0 65535 gt specifies the Ether Type 0 means don t care e g acl add 1 deny 0 nonipv4 2054 This ACL rule will drop all packets for either type is 0x0806 and non IPv4 GE DS 242 PoE Managed Ethernet Switch User Manual 181 Chapter 6 Command Line Interface Binding Let device that has specific IP address and MAC address can use network We can set specific IP address MAC address VLAN id and port id to bind and device can cross switch if all conditions match SIP SMAC binding commands bind Description Enable binding function no bind Description Disable binding function no bind Description Delete Binding group Syntax no bind lt 1 220 gt Parameters lt 1 220 gt specifies the group id e g no bind 1 182 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 6 Command Line Interface show bind Description Show Binding group information Syntax show bind lt 1 220 gt Parameters lt 1 220 gt specifies the group id null means all
42. 3 Set IP address screen COM1_57600 HyperTerminal Fie Edit view Call Transfer Help D MAC Completed Username admin assword Gateway 192 168 0 254 Switch config ip address 192 168 1 100 255 255 255 0 Switch config ip default gateway 192 168 1 254 Switch config show ip IP address 192 168 1 100 Subnet mask 299 299 299 0 Gateway 192 168 1 254 Switch config copy running config startup config Switch config _ Connected 00 13 46 ANSIW 57600 8 N 1 2 Repeat Step 1 to check if the IP address is changed If the IP is successfully configured the Managed Switch will apply the new IP address setting immediately You can access the Web interface of Managed Switch through the new IP address NOTE If you are not familiar with console command or the related parameter enter help anytime in console to get the help description You can change these settings if desired after you log on This management method is often preferred because you can remain connected and monitor the system during system reboots Also certain error messages are sent to the serial port regardless of the interface through which the associated action was initiated A Macintosh or PC attachment can use any terminal emulation program for connecting to the terminal serial port A workstation attachment under UNIX can use an emulator such as TIP 124 GE DS 242 PoE Managed Ethernet Switch User Manual Commands Level The follow
43. 6 bytes 6 bytes 4 bytes 2 bytes 2 bytes 46 1517 bytes 4 bytes The DSCP is six bits wide allowing coding for up to 64 different forwarding behaviors The DSCP retains backward compatibility with the three precedence bits so that non DSCP compliant TOS enabled devices will not conflict with the DSCP mapping Based on network policies different kinds of traffic can be marked for different kinds of forwarding TOS DSCP Configuration The TOS DSCP page provides fields for defining output queue to specific DSCP fields When TCP IP s TOS DSCP mode is applied the Managed Switch recognizes TCP IP Differentiated Service Codepoint DSCP priority information from the DS field defined in RFC2474 Enable TOS DSCP for traffic classification and then the DSCP to priority mapping column is configurable as Figure 4 8 shows 100 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management Figure 4 58 QoS Configuration TOS Priority TOS DSCP TOS DSCP Configuration TOS DSCP Port Configuration Configure TOS DSCP Goan ee 4 TOSIDSCP Cor This page includes the following fields OBJECT DESCRIPTION TOS DSCP Enable Disable internal traffic class 0 7 to map the corresponding IP DSCP value necp The values of the IP DSCP header field within the incoming packet 0 63 o Specify which 802 1p priority to map the corresponding IP DSCP Priority The value is 0 7 TOS DSCP Port Configuration
44. AN to work with legacy switches that don t recognize VLAN tags in packet headers The tagging feature allows VLAN to span multiple 802 1Q compliant switches through a single physical connection and allows Spanning Tree to be enabled on all ports and work normally Any port can be configured as either tagging or untagging The untagging feature of IEEE 802 19 VLAN allows VLAN to work with legacy switches that don t recognize VLAN tags in packet headers The tagging feature allows VLAN to span multiple 802 1Q compliant switches through a single physical connection and allows Spanning Tree to be enabled on all ports and work normally Some relevant terms Tagging The act of putting 802 1Q VLAN information into the header of a packet Untagging The act of stripping 802 1Q VLAN information out of the packet header 802 19 VLAN Tags The figure below shows the 802 1Q VLAN tag There are four additional octets inserted after the source MAC address Their presence is indicated by a value of 0x8100 in the Ether Type field When a packet s Ether Type field is equal to 0x8100 the packet carries the IEEE 802 10 802 1p tag The tag is contained in the following two octets and consists of 3 bits of user priority 1 bit of Canonical Format Identifier CFI used for encapsulating Token Ring packets so they can be carried across Ethernet backbones and 12 bits of VLAN ID VID The 3 bits of user priority are used by 802 1p The VID is the VLAN identifier
45. Address 192 168 0 100 Subnet Mask 255 255 2550 Default Gateway 192 168 0 254 This page includes the following fields OBJECT DESCRIPTION Enable or disable the DHCP client function When DHCP function is enabled the Managed Switch will be assigned an IP address from the network DHCP server The default IP address will DHCP be replaced by the assigned IP address on DHCP server After the user clicks Apply a popup dialog shows up to inform the user that when the DHCP client is enabled the current IP will lose and user should find the new IP on the DHCP server Assign the IP address that the network is using If DHCP client function is enabled this switch is configured as a DHCP client The network DHCP server will assign the IP address to the switch IP Address and display it in this column The default IP is 192 168 0 100 or the user has to assign an IP address manually when DHCP Client is disabled Assign the subnet mask to the IP address Subnet Mask If DHCP client function is disabled the user has to assign the subnet mask in this column field Assign the network gateway for the switch If DHCP client function is disabled the user has to assign the gateway in this column field The default gateway is 192 168 0 254 Gateway 38 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management SNMP Configuration SNMP Overview The Simple Network Management
46. Authorize No 114 DESCRIPTION The specified port is required to be held in the unauthorized state The specified port is required to be held in the authorized state The specified port is set to the Authorized or Unauthorized state in accordance with the outcome of an authentication exchange between the Supplicant and the authentication server The specified port works without complying with 802 1x protocol GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management Misc Configuration In this page you can change the default configuration for the 802 1x standard Figure 4 68 802 1x Misc Configuration interface 802 1x Configuration System Configuration PerPort Configuration Misc Configuration Configure 802 1x misc configuration This page includes the following fields OBJECT Quiet Period TX Period Supplicant Timeout Server Timeout Max Requests Reauth period DESCRIPTION Used to define periods of time during which it will not attempt to acquire a supplicant Default time is 60 seconds Set the period the port waits for retransmit next EAPOL PDU during an authentication session Default value is 30 seconds Set the period of time the switch waits for a supplicant response to an EAP request Default value is 30 seconds Set the period of time the switch waits for a server response to an authentication request Default value is 30 se
47. C 1157 SNMP MIB RFC 1213 MIB II RFC 1215 Trap SNMP MIBs RFC 2863 Interface MIB RFC 1493 Bridge MIB RFC 2674 Extended Bridge MIB Q Bridge RFC 1643 Security Power over Ethernet PoE Standard IEEE 802 3af Power over Ethernet PSE 8 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 1 Introduction EEE 802 3 10Base T EEE 802 3u 100Base TX EEE 802 32 Gigabit SX LX EEE 802 3ab Gigabit 1000Base T EEE 802 3x Flow Control and Back pressure Standards Compliance EEE 802 1d Spanning tree protocol EEE 802 1w Rapid spanning tree protocol EEE 802 1p Class of service EEE 802 19 VLAN Tagging EEE 802 1 Port Authentication Network Control EEE 802 3af Power over Ethernet e 50 125um or 62 5 125m multi mode fiber cable 100Base FX up to 2km 1000Base Sx up to 220 550m Cable Fiber optic cable e 9 125um single mode cable provides long distance for 100Base Fx up to 10 40 60km vary on fiber transceiver or SFP module 1000Base LX ZX 10 15 20 30 40 50 60 70 120km vary on fiber transceiver or SFP module GE DS 242 PoE Managed Ethernet Switch User Manual 9 Chapter 1 Introduction 10 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 2 Installation This section describes the hardware features and installation of the Managed Switch on the desktop or rack mount For easier management and control of the Managed Switch familiarize yourself with its display indicators and ports Fr
48. E Function Priority Device class Current mA Consumption W Power Limit DESCRIPTION Enable Disable over temperature protection When the PoE temperature unit 1 unit2 over 70 degree C then PoE power budget will be changed by 3 segments as following e Over 70 Degree C power budget 180 Watts e Over 73 Degree C power budget 170 Watts e Over 76 Degree C power budget 160 Watts Allow to configure power limit mode of Web Smart Device It can choose e Port Priority Deliver PoE power by port priority setting e Total Limit Set limit value of the total POE port provided power to the PDs Show the total watts usage of PoE Switch Can enable or disable the PoE function Set port priority for the POE power management It can choose the port priority value is e Critical e High e Low High priority is Critical Class 0 is the default for PDs However to improve power management at the PSE the PD may opt to provide a signature for Class 1 to 3 The PD is classified based on power The classification of the PD is the maximum power that the PD will draw across all input voltages and operational modes A PD shall return Class 0 to 3 in accordance with the maximum power draw as specified by Table 4 1 It shows the PoE device current Amp It shows the PoE device current watt It can limit the port PoE supply watts Per port maximum value must less 15 4 total ports values must less than the Power Rese
49. GE Security GE DS 242 PoE Managed Ethernet Switch User Manual Copyright Disclaimer Trademarks and patents Intended use FCC compliance Regulatory information Manufacturer European Union directives Contact information 2010 GE Security Inc This document may not be copied in whole or in part or otherwise reproduced without prior written consent from GE Security Inc except where specifically permitted under US and international copyright law The information in this document is subject to change without notice GE Security Inc GE Security assumes no responsibility for inaccuracies or omissions and specifically disclaims any liabilities losses or risks personal or otherwise incurred as a consequence directly or indirectly of the use or application of any of the contents of this document For the latest documentation contact your local supplier or visit us online at www gesecurity com This publication may contain examples of screen captures and reports used in daily operations Examples may include fictitious names of individuals and companies Any similarity to names and addresses of actual businesses or persons is entirely coincidental GE and the GE monogram are trademarks of General Electric Company Other trade names used in this document may be trademarks or registered trademarks of the manufacturers or vendors of the respective products Use this product only for the purpose it was designed
50. Line Interface no spanning tree port non stp Description Disable or enable spanning tree protocol on this port Syntax no spanning tree port non stp lt port list gt Parameters lt port list gt specifies the ports to be set Null means all ports spanning tree point to point mac Description Set the port to be point to point connection Syntax spanning tree port point to point mac lt auto true false gt lt port list gt Parameters auto specifies point to point link auto connection true specifies point to point link true false specifies point to point link false lt port list gt specifies the ports to be set Null means all ports show spanning tree Description Show spanning tree information of CIST show spanning tree port Description Show spanning tree port information of CIST Syntax show spanning tree port lt port list gt Parameters lt port list gt specifies the port to be shown Null means all ports 166 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 6 Command Line Interface SNMP Any Network Management running the simple Network Management Protocol SNMP can be management with the switch System Options Snmp no snmp Description Enable or disable SNMP Show snmp status Description Show the enable or disable status of SNMP Snmp system name Description Set agent system name string Syntax snmp system name lt name str gt Paramet
51. N the tag is stripped and the original VLAN tag with the customer related VID is again available This provides a tunneling mechanism to connect remote costumer VLANs through a common MAN space without interfering with the VLAN tags All tags use EtherType 0x8100 or Ox88A8 where 0x8100 is used for customer tags and 0x88A8 are used for service provider tags 66 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management In cases where a given service VLAN only has two member ports on the switch the learning can be disabled for the particular VLAN and can therefore rely on flooding as the forwarding mechanism between the two ports This way the MAC table requirements are reduced Q in Q Port Setting The QinQ VLAN QinQ Port Setting screen in Figure 4 31 appears Figure 4 31 Q in Q Port Setting interface QinQ VLAN ding Tone etn ging EEG QinQ Tpid 8100 QinQ Uplink Port Port2 Port3 Port4 PortS Port6 Port7 Port8 Port9 Port10 olojolo o o o ololo o 8 Portil This page includes the following fields OBJECT DESCRIPTION QinQ QinQ TPID Port QinQ Enable Sets the Managed Switch to QinQ mode and allows the QinQ tunnel port to be configured Disable The Managed Switch operates in its normal VLAN mode The default is for the Managed Switch to function
52. Pkt Parameters lt port id gt specifies the port to be shown 132 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 6 Command Line Interface Description Show protected port information GE DS 242 PoE Managed Ethernet Switch User Manual 133 Chapter 6 Command Line Interface 134 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 6 Command Line Interface Trunk Configuration Trunk allows the switch to combine ports so that they function like a single high speed link It can be used to increase the bandwidth to some devices to provide a high speed link For example trunk is useful when making connections between switches or connecting servers to the switch Trunk can also provide a redundant link for fault tolerance If one link in the trunk failed the switch can balance the traffic among the remaining links NOTE The 10 100 Mbps port cannot be trunked with gigabit port port 25 26 All ports in the same trunk group will be treated as a single port If a trunk group exists the ports belonging to that trunk will be replaced by TRUNK in the VLAN configuration screen The following example configures port 25 26 as TRUNK 1 Trunking Commands show trunks Description Show trunking information Switchi config show trunk Group ID LACP Ports LACP Active 1 Yes 23 24 23 24 trunk add Description Ad
53. Set up IP TOS DSCP mapping to 802 1p priority when receiving IPv4 IPv6 packets the Managed Switch allow to by port configuring the QoS Status This TOS DSCP Port Configuration page is to configure the IP TOS DSCP mapping on the port and display the current port status The screen in Figure 4 59 appears GE DS 242 PoE Managed Ethernet Switch User Manual 101 Chapter 4 Web Based Management Figure 4 59 QoS Configuration TOS DSCP Port Status TOS DSCP TOS DSCP Configuration TOS DSCP Port Configuration Configure Port TOS DSCP Status Port Number TOS DSCP Status Poti O Port2 Port3 Disable EJ Port4 Pots aj TOSI DSCP Port Status PortNum Tos DscP Port Status Port1 Disable Port2 Disable Port3 Disable Port4 Disable Port5 Disable This page includes the following fields OBJECT DESCRIPTION Port Number Indicate port 1 to port 26 TOS DSCP Status Enable Disable TOS DSCP map to 802 1p priority on specify port Access Control List The Access Control List ACL is a concept in computer security used to enforce privilege separation It is a means of determining the appropriate access rights to a given object depending on certain aspects of the process that is making the request principally the process s user identifier Access Control List ACL is a mechanism that implements access control for a system resource by listing the identities of the system entities that are per
54. Switch Copyright 2009 GE Security Corporation All rights reserved 2 The Switch Menu on the left of the Web page let you access all the commands and statistics the Switch provides Now you can use the Web management interface to continue the switch management or manage the Managed Switch by Web interface The Switch Menu on the left of the web page let you access all the commands and statistics the Managed Switch provides GE DS 242 PoE Managed Ethernet Switch User Manual 31 Chapter 4 Web Based Management NOTE e We recommend using Internet Explorer 6 0 or above to access Managed Switch e A changed IP address take effect immediately after click on the Save button you need to use the new IP address to access the Web interface e For security reason please change and memorize the new password after this first setup e Only enter commands in lowercase letters in the web interface Main Web Page The Managed Switch provides a Web based browser interface for configuring and managing it This interface allows you to access the Managed Switch using the Web browser of your choice This chapter describes how to use the Managed Switch s Web browser interface to configure and manage it Figure 4 4 Main page Home System Welcome to GE Security GE DS 242 PoE 24 Port 10 100Mbps 2G TP SFP Combo Managed PoE Switch Port Configuration Layer 2 Features Security Qos Power over Ethernet Copyright 2003 GE Security
55. Switch s firmware version HARDWARE VERSION Displays the current hardware version Misc Config Choose Misc Config from System Information of Managed Switch the screen in Figure 4 7 appears Figure 4 7 Switch Misc Config screenshot System Information basic Age Out Time 300 seconds 6 1572858 must multiple of 6 default is 300s Turn On Port Interval o seconds 0 3600 seconds interval time between turning off and turning on port for flooding CPU port O disable Broadcast Storm Filter Mode OFF Broadcast Storm Filter Packet select C Broadcast Packets CIP Multicast C Control Packets Cl Flooded Unicast Multicast Packets Collisions Retry Forever 16 Hash Algorithm CRC Hash IP MAC Binding Disable 802 1x Protocol Disable GE DS 242 PoE Managed Ethernet Switch User Manual 35 Chapter 4 Web Based Management This page includes the following fields OBJECT DESCRIPTION MAC Address Age out Time Broadcast Storm Filter Mode Broadcast Storm Filter Packets Select Collision Retry Forever Hash Algorithm 802 1x protocol Apply button Type the number of seconds that an inactive MAC address remains in the switch s address table The value is a multiple of 6 Default is 300 seconds To configure broadcast storm control enable it and set the upper threshold for individual ports The threshold is the percentage of the port s total bandwidth used by broa
56. Trap Managers snmp trap Description Set SNMP trap receiver IP address community string and port number Syntax snmp trap lt ip addr gt lt community str gt lt 1 65535 gt Parameters lt ip addr gt specifies the IP address lt community str gt specifies the community string lt 1 65535 gt specifies the trap receiver port number e g snmp trap 192 168 200 1 public no snmp trap Description Remove trap receiver IP address and port number Syntax no snmp trap lt ip addr gt lt 1 65535 gt Parameters lt ip addr gt specifies the IP address lt 1 65535 gt specifies the trap receiver port number e g no snmp trap 192 168 200 1 show snmp trap Description Show all trap receivers 170 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 6 Command Line Interface IGMP The Internet Group Management Protocol IGMP is an internal protocol of the Internet Protocol IP suite igmp Description Enable disable IGMP snooping Syntax no igmp igmp fastleave Description Enable disable IGMP snooping fast leave If enable switch will fast delete member who send leave report else wait one sec Syntax no igmp fastleave igmp querier Description Enable disable IGMP snooping querier Syntax no igmp querier igmp crossVLAN Description Enable disable IGMP snooping CrossVLAN Syntax no igmp CrossVLAN GE DS 242 PoE Managed Ethernet Switch User Manua
57. VDC in line power PoE In Use Orange Off indicates the connected device is not a PoE Powered Device PD e Per 10 100 1000Base T port SFP interfaces LED Color Function Lit indicates the port is operating at LOOOMbps Off indicates the port is operating at 10Mbps or 1OOMbps LNK ACT 1000 Green Blink indicates the Switch is actively sending or receiving data over that port Lit indicates the port is operating at 100Mbps LNK ACT 100 Green Off indicates the port is operating at 10Mbps or 1000Mbps Blink indicates the Switch is actively sending or receiving data over that port NOTE 1 Press the RESET button once The Switch will reboot automatically 2 Press the RESET button for about 10 seconds The Switch will revert to the factory default mode the entire configuration will be erased 3 The 2 Gigabit TP SFP combo ports are shared with port 25 26 of GE DS 242 PoE Both of them can operate at the same time 14 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 2 Installation Switch Rear Panel The rear panel of the Managed Switch includes an AC inlet power socket which accepts input power from 100 to 240VAC 50 60 Hz Figure 2 3 shows the rear panel of the Managed Switch Figure 2 3 GE DS 242 PoE Rear panel POWER NOTICE 1 The Managed Switch is a power required device it will not work unless it is receiving power If your networks must be active at all times it is recommended that the Swit
58. VLAN Using QinQ expands VLAN space by using a VLAN in VLAN hierarchy and retagging the tagged packets A port configured to support QinQ is called a QinQ user port A port configured to support QinQ Uplink is called a QinQ uplink port Figure 4 32 Q in Q Tunnel Setting interface QinQ VLAN QinQ Port Setting QinQ Tunnel Setting unnet 1D Tunnel iy It lt lt Cet a Tunnel VID jo lt lt Add lt lt Poti Ga Port2 rors M Port4 To configure QinQ Port 1 Enable global QinQ function select QinQ enable Enable 2 Fill QinQ Tpid 3 Enable port QinQ function select QinQ checkbox for special port 4 Enable port QinQ Uplink function select QinQ Uplink checkbox for special port 68 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management Rapid Spanning Tree The Rapid Spanning Tree Protocol RSTP is an evolution of the Spanning Tree Protocol and provides for faster spanning tree convergence after a topology change The system also supports STP and the system will auto detect the connected device that is running STP or RSTP protocol Theory The Spanning Tree protocol can be used to detect and disable network loops and to provide backup links between switches bridges or routers This allows the switch to interact with other bridging devices in your network to ensure that only one route exists between any two stations on the network and provide backup links which auto
59. adapters Due to the learning function of the Ethernet switching the source address and corresponding port number of each incoming and outgoing packet are stored in a routing table This information is subsequently used to filter packets whose destination address is on the same segment as the source address This confines network traffic to its respective domain and reduce the overall load on the network The Switch performs Store and forward therefore no error packets occur More reliably it reduces the re transmission rate No packet loss will occur Auto Negotiation The STP ports on the Switch have built in Auto negotiation This technology automatically sets the best possible bandwidth when a connection is established with another network device usually at Power On or Reset This is done by detect the modes and speeds at the second of both device is connected and capable of both 10Base T and 100Base TX devices can connect with the port in either Half or Full Duplex mode If attached device is 100Base TX port will set to 10Mbps no auto negotiation 10Mbps 10Mbps with auto negotiation 10 20Mbps 10Base T Full Duplex 100Mbps no auto negotiation 100Mbps 100Mbps with auto negotiation 100 200Mbps 100Base TX Full Duplex 192 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 8 Power Over Ethernet Overview What is PoE Based on the global standard IEEE 802 3af PoE is a technology for wired Ethernet the
60. agement 120 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 5 Console Management Login in the Console Interface To configure the system via console mode connect a serial cable to a COM port on a PC or notebook computer and to RJ 45 type serial console port of the Managed Switch The console port of the Managed Switch is DCE already so that you can connect the console port directly through PC without the need of Null Modem To get more information about how to connect to the console interface of GE DS 242 PoE with HyperTerminal please refer to the GE DS 242 PoE Installation Sheet Once the terminal has connected to the device power on the GE DS 242 PoE the terminal will display that it is running testing procedures Then the following message asks the login password The factory default password as following and the login screen in Figure 5 1 appears Username admin Password admin GE DS 242 PoE Managed Ethernet Switch User Manual 121 Chapter 5 Console Management Figure 5 1 GE DS 242 PoE Console Login screen COM1_57600 HyperTerminal File Edit Yiew Call Transfer Help Daw g Username admin Password Switch _ Connected 00 02 14 ANSIW 57600 8 N 1 NOTE For security reasons please change and memorize the new username and password after this first setup Username Max 6 Min 1 characters Password Max 6 Min 1 characters Only enter commands in lowercase letters in console in
61. agement Figure 4 23 Port Sniffer interface Port Sniffer Sniffer Type Bom El Analysis Port Port E Port Monitor Porti Port2 Port3 Port4 PortS Port6 ie Port7 Port8 Port9 O Port10 Port11 Port12 Port13 This page includes the following fields OBJECT DESCRIPTION Select a sniffer mode e Disable Sniffer Type e Rx e Tx e Both Itt means Analysis port can be used to see the traffic on another port Analysis Monitoring Port you want to monitor You can connect Analysis port to LAN analyzer or netxray The port you want to monitor The monitor port traffic will be copied to Monitored Port Analysis port You can select one monitor ports in the switch User can choose which port that they want to monitor in only one sniffer type NOTE 1 When the Mirror Mode set to RX or TX and the Analysis Port be selected the packets to and from the Analysis Port will not be transmitted The Analysis Port will accept only COPIED packets from the Monitored Port 2 If you want to disable the function you must select monitor port to none GE DS 242 PoE Managed Ethernet Switch User Manual 53 Chapter 4 Web Based Management VLAN Configuration VLAN Overview A Virtual Local Area Network VLAN is a network topology configured according to a logical scheme rather than the physical layout VLAN can be used to combine any collection of LAN seg
62. are dependent upon whether the port concerned can only be connected to exactly another bridge i e it is served by a point to point LAN segment or can be connected to two or more bridges i e it is served by a shared medium LAN segment This function allows the P2P status of the link to be Admin P2P manipulated administratively e YES means the port is regarded as a point to point link e NO means the port is regarded as a shared link e AUTO means the link type is determined by the auto negotiation between the two peers The port directly connected to end stations won t create bridging loop Admin Edge in the network To configure the port as an edge port set the port to Admin Non STP YES status The port includes the STP mathematic calculation e YES is not including STP mathematic calculation e NO is including the STP mathematic calculation GE DS 242 PoE Managed Ethernet Switch User Manual 79 Chapter 4 Web Based Management NOTE Path cost 0 is used to indicate auto configuration mode When the short path cost method is selected and the default path cost recommended by the IEEE 8021w standard exceeds 65 535 the default is set to 65 535 By default the system automatically detects the speed and duplex mode used on each port and configures the path cost according to the values shown below Table 4 1 Recommended STP Path Cost Range Port Type IEEE 802 1D 1998 IEEE 802 1w 2001 Ethernet 50 600 200 000
63. ared show arp Show the IP ARP translation table ping Send ICMP ECHO_REQUEST to network hosts Parameters lt 1 999 gt specifies the number of repetitions If not entered it will continue to ping until you press lt Ctrl gt C to stop 128 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 6 Command Line Interface Switch Static Configuration Port Configuration and show status port state Description Turn the port state on or off Syntax port state lt on off gt lt port list gt Parameters lt port list gt specifies the ports to be turn on or off If not entered all ports are turn on or off port nego Description Set port negotiation Syntax port nego lt force auto nway force gt lt port list gt Parameters lt port list gt specifies the ports to be set If not entered all ports are set port speed Description Set port speed in mbps and duplex Syntax port speed lt 10 100 1000 gt lt full half gt lt port list gt Parameters lt port list gt specifies the ports to be set If not entered all ports are set GE DS 242 PoE Managed Ethernet Switch User Manual 129 Chapter 6 Command Line Interface port flow Description Enable or disable port flow control Syntax port flow lt enable disable gt lt enable disable gt lt port list gt Parameters The first lt enable disable gt enables or disables flow control in full duplex mode The se
64. available power ports priority maximum allowable power per port The Over Temperature Protection of the PoE Switch offers a safety and stable PoE operating by limit the output power according to detected temperature to prevent destructive breakdown due to un expected overheating This section provides PoE Power over Ethernet Configuration and PoE output status of PoE Switch screen in Figure 4 69 appears Figure 4 69 PoE Configuration PoE Configuration PoE PSU Status jon PoE Temperature Unit 1 28c 35F T PoE Temperature Unit 2 30C 37 5F Over Temperature Protection Disable Power Limit Mode norit E Power Allocation 0 ow 380 W Port Pee Priority paaa Current mA Consumption iw ros 1 Enable E o 2 Enavie E o 3 enable E o 4 Enable E o Sl Fnanie PA z al Sto Lolsils This page includes the following fields OBJECT DESCRIPTION PoE PSU Status PoE PSU Status shows status of power supply for PoE output PoE Temperature Unit 1 Display the current operating temperature of PoE chip unit 1 The unit 1 is in charge of PoE Port 1 Port 12 PoE Temperature Unit 2 Display the current operating temperature of PoE chip unit 2 The unit 1 is in charge of PoE Port 13 Port 24 GE DS 242 PoE Managed Ethernet Switch User Manual 117 Chapter 4 Web Based Management OBJECT Over Temperature Protection Power limit mode Power Allocation Po
65. ax show lacp agg lt trunk id gt Parameters lt trunk id gt specifies the trunk group to be shown show lacp port Description Show LACP information by port Syntax show lacp port lt port id gt Parameters lt port id gt specifies the port to be shown NOTE If VLAN group exists all of the members of static trunk group must be in same VLAN group GE DS 242 PoE Managed Ethernet Switch User Manual 137 Chapter 6 Command Line Interface VLAN Configuration Virtual LANs A Virtual LAN VLAN is a logical network group that limits the broadcast domain It allows you to isolate network traffic so only members of the VLAN receive traffic from the same VLAN members Basically creating a VLAN within a switch is logically equivalent of reconnecting a group of network devices to another Layer 2 switch However all the network devices are still plugged into the same switch physically A station can belong to more than one VLAN group VLAN prevents users from accessing network resources of another on the same LAN thus the users can not see the hard disks and printers of another user in the same building VLAN can also increase the network performance by reducing the broadcast traffic and enhance the security of the network by isolating groups The GE DS 242 PoE supports two types of VLANs e Port based e IEEE 802 1Q tag based Only one of the two VLAN types can be enabled at one time Port based VLANs are VLANs where
66. bit Type of Service TOS or Differentiated Service Code Point DSCP to 3 bit priority mapping The Type of Service TOS octet in the IPv4 header is divided into three parts Precedence 3 bits TOS 4 bits and MBZ 1 bit The Precedence bits indicate the importance of a packet whereas the TOS bits indicate how the network should make tradeoffs between throughput delay reliability and cost as defined in RFC 1394 The MBZ bit for must be zero is currently unused and is either set to zero or just ignored 0 1 2 3 4 5 6 7 Pv4 Packet Header Type of Service Octet The four TOS bits provide 15 different priority values however only five values have a defined meaning GE DS 242 PoE Managed Ethernet Switch User Manual 99 Chapter 4 Web Based Management DiffServ Code Point DSCP is the traffic prioritization bits within an IP header that are encoded by certain applications and or devices to indicate the level of service required by the packet across a network DSCP are defined in RFC2597 for classifying traffic into different service classes The Managed Switch extracts the codepoint value of the DS field from IPv4 packets and identifies the priority of the incoming IP packets based on the configured priority 4 bit 4 bit 6 bit 2 bit ver o100 Header DiffServ RES Size Daini VLAN Ethernet estination ource TAG Type Preamble Address Address yp Data FCS Optional 0800
67. bove parameters e Max Age_ 2 x Forward Delay 1 second e Max Age_ 2 x Hello Time 1 second Illustration of STP A simple illustration of three switches connected in a loop is depicted in the below diagram In this example you can anticipate some major network problems if the STP assistance is not applied If switch A broadcasts a packet to switch B switch B will broadcast it to switch C and switch C will broadcast it to back to switch A and so on The broadcast packet will be passed indefinitely in a loop potentially causing a network failure In this example STP breaks the loop by blocking the connection between switch B and C The decision to block a particular connection is based on the STP calculation of the most current Bridge and Port settings Now if switch A broadcasts a packet to switch C then switch C will drop the packet at port 2 and the broadcast will end there Setting up STP using values other than the defaults can be complex Therefore you are advised to keep the default factory settings and STP will automatically assign root bridges ports and block loop connections Influencing STP to choose a particular switch as the root bridge using the Priority setting or influencing STP to choose a particular port to block using the Port Priority and Port Cost settings is however relatively straight forward 74 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management Figure 4 34 Before Ap
68. ccess Control List ACL o IEEE 802 1x Port Based Authentication o MAC address Filtering and MAC address Binding o IP address security management to prevent unauthorized intruder o Port Mirroring to monitor incoming or outgoing traffic on a particular port e Management o Switch Management Interface Web switch management Telnet Command Line Interface SNMP v1 v2c switch management Console local management o SNMP Trap for alarm notification of events o Four RMON groups 1 2 3 9 history statistics alarms and events o Built in Trivial File Transfer Protocol TFTP client o Firmware upload download via TFTP or HTTP o Configuration upload download via TFTP or HTTP o Supports Ping function e Power over Ethernet o Complies with IEEE 802 3af Power over Ethernet End Span PSE o Upto 24 IEEE 802 3af devices powered o Support PoE Power up to 15 4 watts for each PoE ports GE DS 242 PoE Managed Ethernet Switch User Manual 5 Chapter 1 Introduction o Auto detect powered device PD o Circuit protection prevent power interference between ports o Remote power feeding up to 100m o PoE Management Total PoE power budget control Per port PoE function enable disable PoE Port Power feeding priority Per PoE port power limit PD classification detection PoE Power Supply Over temperature Protection 6 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 1 Introduction Product Specifications GE DS 242 PoE Back pres
69. ch User Manual 49 Chapter 4 Web Based Management Port Status This page displays current port configurations and operating status it is a ports configurations summary table Via the summary table you can learn the status of each port at a glance like Port Link Up Link Down status negotiation Link Speed Rate Control Duplex mode and Flow Control Figure 4 20 Port Status interface GE DS 242 PoE Port Status The following information provides a view of the current status of the unit Home B System amp Port Configuration k Rate Control Port State Link Negotiation Speed Duplex Flow Control Unit 128Kbps Security BSF Jumbo Frame Ingress Egress Port Control Port Status Port Statistics Set PDE Porti On Up Auto 100 Full off of off off Jon On Port2 On Down ext Bese Off Off Off On On Layer 2 Features Ports On Down ce Of Off Off on On Security Port4 On Down La s Off Off off On On Qos PortS On Down Off Off Off On On oan race Port On Down off of off on On Port7 On Down Off Off off On On Port8 On Down ee E off Off Off On On Port9 On Down He Off Off Off On On Porti0 On Down Off Off Off On On Port11 On Down ae oes Off Off Off On On Port12 On Down lt lt as ee Off Off Off On On Porti3 On Down aad se oes
70. ch be connected to a UPS Uninterruptable Power Supply to prevent data loss or downtime 2 In some areas installing a surge suppression device may also help protect your Managed Switch from being damaged by unregulated power surges or current to either the Switch or the power adapter Switch Installation This text describes how to install the Managed Switch and connect it as necessary Please read the following instructions and perform the procedures in the listed order Desktop Shelf Installation NOTE Refer to the environmental restrictions listed in the Product Specifications when selecting a location for the Managed Switch Step 1 Attach the rubber feet to the recessed areas on the bottom of the Managed Switch Step 2 Place the Managed Switch on a desktop or shelf near an AC power source as shown in Figure 2 4 GE DS 242 PoE Managed Ethernet Switch User Manual 15 Chapter 2 Installation Step 3 Ensure there is enough ventilation space between the Managed Switch and surrounding objects Figure 2 4 Typical placement of GE DS 242 PoE on desktop NOTE Connection to the Managed Switch requires UTP Category 5 network cabling with RJ 45 tips Refer to the Cabling Specification in Appendix A for further information Step 4 Connect the Managed Switch to network devices A Connect one end of a standard network cable to the 10 100 1000 RJ 45 ports on the front of the Managed Switch B Connect the other end of
71. ch for valid value GE DS 242 PoE Managed Ethernet Switch User Manual 139 Chapter 6 Command Line Interface Advanced 802 10 VLAN Configuration Ingress filters configuration When a packet was received on a port you can govern the switch to drop it or not if it is an untagged packet Furthermore if the received packet is tagged but not belonging to the same VALN group of the receiving port you can also control the switch to forward or drop the packet The example below configures the switch to drop the packets not belonging to the same VLAN group and forward the packets not containing VLAN tags show vlan mode Description Display the current VLAN mode vlan mode Description Change VLAN mode Syntax vlan mode disabled port based dot1iq Parameters disabled port based dot1q specifies the VLAN mode NOTE Change the VLAN mode for every time user have to restart the switch for valid value vlan mode Description Add or edit VLAN entry Syntax vlan add lt 1 4094 gt NAME cpu port no cpu port LIST LIST Parameters lt 1 4094 gt specifies the VLAN id or Group id if port based VLAN mode NAME specifies the VLAN group name 140 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 6 Command Line Interface cpu port no cpu port specifies the CPU port belong this VLAN group LIST specifies the ports to be set to VLAN members LIST specifies the ports to be set to tagged members If n
72. cond lt enable disable gt enables or disables flow control in half duplex mode lt port list gt specifies the ports to be set If not entered all ports are set port rate Description Set port effective ingress or egress rate Syntax port rate lt ingress egress gt lt 0 8000 gt lt port list gt Parameters lt 0 8000 gt specifies the ingress or egress rate lt 0 8000 gt lt port list gt specifies the ports to be set If not entered all ports are set port priority Description Set port priority Syntax port priority lt disable low high gt lt port list gt Parameters lt port list gt specifies the ports to be set If not entered all ports are set 130 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 6 Command Line Interface Description Set port jumbo frame When port jumbo frame is enable the port forward jumbo frame packet Syntax port jumboframe lt enable disable gt lt port list gt Parameters lt port list gt specifies the ports to be set If not entered all ports are set Description Show port status including port State Link Trunking VLAN Negotiation Speed Duplex Flow control Rate control Priority Security BSF control GE DS 242 PoE Managed Ethernet Switch User Manual 131 Chapter 6 Command Line Interface Description Show port statistics including TxGoodPkt TxBadPkt RxGoodPkt RxBadPkt TxAbort Collision and Drop
73. conds Set the number of authentication that must time out before authentication fails and the authentication session ends Default value is 2 times Set the period of time which clients connected must be re authenticated Default value is 3600 seconds GE DS 242 PoE Managed Ethernet Switch User Manual 115 Chapter 4 Web Based Management Power Over Ethernet Providing up to 24 PoE in line power interface the GE DS 242 PoE PoE Switch can easily build a power central controlled IP phone system IP Camera system AP group for the enterprise For instance 24 camera AP can be easily installed around the corner in the company for surveillance demands or build a wireless roaming environment in the office Without the power socket limitation the PoE Switch makes the installation of cameras or WLAN AP more easily and efficiently Power over Ethernet Powered Device Voice over IP phones Enterprise can install POE VoIP Phone ATA and other Ethernet non Ethernet end devices to the central where UPS is installed for un interrupt 3 5 watts power system and power control system Wireless LAN Access Points Museum Sightseeing Airport Hotel Campus Factory Warehouse can install the Access Point any where with no hesitation IP Surveillance Enterprise Museum Campus Hospital Bank can install IP Camera without limits of install location no need electrician to install AC sockets 10 12 watts PoE Splitter PoE Splitter
74. cted as the root switch e The shortest distance to the root switch is calculated for each switch e A designated switch is selected This is the switch closest to the root switch through which packets will be forwarded to the root e A port for each switch is selected This is the port providing the best path from the switch to the root switch e Ports included in the STP are selected Creating a Stable STP Topology It is to make the root port a fastest link If all switches have STP enabled with default settings the switch with the lowest MAC address in the network will become the root switch By increasing the priority lowering the priority number of the best switch STP can be forced to select the best switch as the root switch 70 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management When STP is enabled using the default parameters the path between source and destination stations in a switched network might not be ideal For instance connecting higher speed links to a port that has a higher number than the current root port can cause a root port change STP Port States The BPDUs take some time to pass through a network This propagation delay can result in topology changes where a port that transitioned directly from a Blocking state to a Forwarding state could create temporary data loops Ports must wait for new network topology information to propagate throughout the network before starting to f
75. cted to a port are members of the VLAN s the port belongs to whether there is a single computer directly connected to a switch or an entire department On port based VLAN NIC do not need to be able to identify 802 1Q tags in packet headers NIC send and receive normal Ethernet packets If the packet s destination lies on the same segment communications take place using normal Ethernet protocols Even though this is always the case when the destination for a packet lies 54 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management on another switch port VLAN considerations come into play to decide if the packet is dropped by the Switch or delivered IEEE 802 1Q VLANs IEEE 802 1Q tagged VLAN are implemented on the Switch 802 10 VLAN require tagging which enables them to span the entire network assuming all switches on the network are IEEE 802 1Q compliant VLAN allow a network to be segmented in order to reduce the size of broadcast domains All packets entering a VLAN will only be forwarded to the stations over IEEE 802 1Q enabled switches that are members of that VLAN and this includes broadcast multicast and unicast packets from unknown sources VLAN can also provide a level of security to your network IEEE 802 1Q VLAN will only deliver packets between stations that are members of the VLAN Any port can be configured as either tagging or untagging The untagging feature of IEEE 802 10 VLAN allows VL
76. cursor back one character lt Ctrl gt D Deletes the character at the cursor lt Ctrl gt E Jumps to the end of the current command line lt Ctrl gt F gt Moves the cursor forward one character lt Ctrl gt K Deletes from the cursor to the end of the command line lt Ctrl gt N Enters the next command line in the command history lt Ctrl gt P 1 Enters the previous command line in the command history lt Ctrl gt U Deletes from the cursor to the beginning of the command line lt Ctrl gt W Deletes the last word typed lt Esc gt B Moves the cursor backward one word lt Esc gt D Deletes from the cursor to the end of the word lt Esc gt F Moves the cursor forward one word lt Backspace gt Delete the character before the cursor lt Del gt Delete the character at the cursor The following generic function keys provide functions in all of the menus Command Help You may enter at any command mode and the CLI will return possible commands at that point along with some description of the command System Commands Command Description show running config Display the running configuration of the switch copy running config startup Backup the switch configurations config erase startup config Reset to default factory settings at next boot time clear arp lt ip addr gt specifies the IP address to be cleared If no IP address is entered the entire ARP cache is cle
77. d a new trunk group Syntax trunk add lt trunk id gt lt lacp no lacp gt lt port list gt lt active port list gt Parameters lt trunk id gt specifies the trunk group to be added GE DS 242 PoE Managed Ethernet Switch User Manual 135 Chapter 6 Command Line Interface Lacp Description Specifies the added trunk group to be LACP enabled Syntax lacp no lacp specifies the added trunk group to be LACP disabled Parameters lt port list gt specifies the ports to be set lt active port list gt specifies the ports to be set to LACP active no trunk Description Delete an existing trunk group Syntax no trunk lt trunk id gt Parameters lt trunk id gt specifies the trunk group to be deleted LACP Commands no lacp Description Enable disable LACP lacp system priority Description Set LACP system priority Syntax lacp system priority lt 1 65535 gt Parameters lt 1 65535 gt specifies the LACP system priority 136 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 6 Command Line Interface no lacp system priority Description Set LACP system priority to the default value 32768 show lacp status Description Show LACP enable disable status and system priority show lacp Description Show LACP information Switch config show lacp status LACP is enabled LACP system priority 32768 show lacp agg Description Show LACP aggregator information Synt
78. dcast traffic When broadcast traffic for a port rises above the threshold you set broadcast storm control becomes active The valid threshold values are 1 2 1 4 1 8 1 16 and OFF Default is OFF To select broadcast storm Filter Packets type If no packets type by selected mean can not filter any packets The Broadcast Storm Filter Mode will show OFF The selectable items as below e Broadcast Packets e IP Multicast e Control Packets e Flooded Unicast Multicast Packets Provide Collision Retry Forever function Disable or 16 32 48 collision numbers on Managed Switch If this function is disabled when a packet meet a collision the Managed Switch will retry 6 times before discard the packets Otherwise the Managed Switch will retry until the packet is successfully sent Default value is 16 Provide MAC address table Hashing setting on Managed Switch available options are CRC Hash and Direct Map Default mode is CRC Hash Enable disable 802 1x protocol Press the button to complete the configuration IP Configuration The Managed Switch is a network device which needs to be assigned an IP address for being identified on the network Users have to decide a means of assigning IP address to the Managed Switch 36 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management IP address overview What is an IP address Each device such as a computer which participates in an IP netwo
79. ddress Set this field if Packet Type is IPv4 else ignore Any IP and Mask Any Any IP address IP A certain IP address Mask AA Kk kkk soe is represent a digit from 0 9 is range from 0 to 255 Notice This is not subnet mask Dst IP Address Set this field if Packet Type is IPv4 else ignore Any IP and Mask Any Any IP address IP A certain IP address Maske AA 2 kkk eee is represent a digit from 0 9 is range from 0 to 255 IP Fragment Set this field if Packet Type is IPv4 else ignore Uncheck Check Uncheck Not check IP fragment field Check Check IP fragment field L4 Protocol Set this field if Packet Type is IPv4 else ignore Any ICMP 1 IGMP 2 TCP 6 UDP 17 Protocol Set this field if Packet Type is IPv4 else ignore 0 255 If protocol not find in L4 Protocol field you can direct assign number TCP Set this field if Packet Type is IPv4 else ignore Any FTP 21 HTTP 80 Port Set this field if Packet Type is IPv4 else ignore 0 65535 If TCP port not find in TCP field you can direct assign number UDP Set this field if Packet Type is IPv4 else ignore Any DHCP 67 TFTP 69 NetBios 137 DEFAULT VALUE Any Any Uncheck Any Any Any 104 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management OBJECT DESCRIPTION DEFAULT VALUE Port Set this field if Packet Type is IPv4 else ignore 0 65535 If UDP port not find in UDP field you
80. disable the port from learning any new MAC addresses Figure 4 61 MAC Limit Configure MAC Limit MAC Limit Configure MAC Limit MAC Limit i Port Number 1 64 0 to turn off MAC limit 15 MAC Limit Port Status Port Number Limit Porti off Port2 off Port3 off Port4 off PortS off Natt nFF This page includes the following fields OBJECT DESCRIPTION MAC Limit Enable or disable MAC limit function for the Managed Switch Port Number Indicate port 1 to port 26 Limit The maximum number of per port MAC addresses to be learned 1 64 O to disable this port s MAC limit function GE DS 242 PoE Managed Ethernet Switch User Manual 107 Chapter 4 Web Based Management MAC Limit Port Status This table displays current MAC Limit status of each port Figure 4 62 MAC Limit MAC Limit Port Status MAC Limit Port Status This page includes the following fields OBJECT DESCRIPTION Port Number Indicate port 1 to port 26 Limit Display the current MAC Limit configuration and status of each port 108 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management 802 1X Configuration 802 1x is an IEEE authentication specification which prevents the client from accessing a wireless access point or wired switch until it provides authority like the user name and password that are verified by an authentication server such as RADIUS server
81. dress If multicast MAC address address beginning with 01 00 5E is supplied the last parameter must be port list Otherwise it must be port id Syntax mac address table static lt mac addr gt lt vlan id gt lt port id port list gt no mac address table static mac addr Description Delete static unicast or multicast MAC address table entries Syntax no mac address table static mac addr lt vlan id gt show mac address table Description Display MAC address table entries Switch config show mac address table MAC Address VLAN Type Source 00 08 B6 00 06 90 1 Dynamic 25 00 40 63 00 65 30 1 Dynamic Trk1 00 03 63 F7 80 7F 1 Dynamic 25 GE DS 242 PoE Managed Ethernet Switch User Manual 159 Chapter 6 Command Line Interface show mac address table static Description Display static MAC address table entries show mac address table multicast Description Display multicast related MAC address table smac address table static Description Set static unicast or multicast MAC address in secondary MAC address table If multicast MAC address address beginning with 01 00 5E is supplied the last parameter must be port list Otherwise it must be port id Syntax smac address table static lt mac addr gt lt vlan id gt lt port id port list gt show smac address table Description Display sec
82. e is set to Total Limit Command Level Global Configuration Syntax poe maximum power lt 1 15 4 gt lt port list gt no poe mximum power lt port list gt Parameters lt 1 15 4 gt lt port list gt specifies the ports to be set If not entered all ports are set Example Switchiconfig poe maximum power 10 1 Switch config show poe status 1 Current Device Oper Priority Power Limit W Consumption W Cen op es 190 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 7 Switch Operation Address Table The Switch is implemented with an address table This address table composed of many entries Each entry is used to store the address information of some node in network including MAC address port no etc This information comes from the learning process of Ethernet Switch Learning When one packet comes in from any port the Switch will record the source address port no And the other related information in address table This information will be used to decide either forwarding or filtering for future packets Forwarding amp Filtering When one packet comes from some port of the Ethernet Switching it will also check the destination address besides the source address learning The Ethernet Switching will lookup the address table for the destination address If not found this packet will be forwarded to all the other ports except the port which this packet comes in And these ports will trans
83. e a higher priority and a greater chance of a given 32768 switch being elected as the root bridge The length of time between broadcasts of the hello message by the switch 2 seconds Hello Time Measures the age of a received BPDU for a port and Maximum Age Timer ensures that the BPDU is discarded when its age 20 seconds exceeds the value of the maximum age timer The amount time spent by a port in the learning and Forward Delay Timer listening states waiting fora BPDU that may return 15 seconds the port to the blocking state The following are the user configurable STP parameters for the port or port group level PARAMETER DESCRIPTION DEFAULT VALUE A relative priority for each switch lower numbers Port Priority give a higher priority and a greater chance of a given 128 switch being elected as the root bridge 200 000 100Mbps A value used by STP to evaluate paths STP Post ENEE pore Port Cost calculates path costs and selects the path with the 20 000 1000Mbps minimum cost as the active path Gigabit Ethernet ports 0 Auto GE DS 242 PoE Managed Ethernet Switch User Manual 73 Chapter 4 Web Based Management Default Spanning Tree Configuration Feature Default Value Enable state STP disabled for all ports Port priority 128 Port cost 0 Bridge Priority 32 768 NOTE The Hello Time cannot be longer than the Max Age Otherwise a configuration error will occur Observe the following formulas when setting the a
84. e process takes several minutes Please wait a while and then manually refresh the webpage Configuration Backup TFTP Restore Configuration You can restore a previous backup configuration from the TFTP server to recover the settings Before doing that you must locate the image file on the TFTP server first and the Managed Switch will download back the flash image 44 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management Figure 4 15 Configuration Restore interface Configuration Restore TFTP Restore Configuration TFTP Backup Configuration HTTP Config File Restore This page includes the following fields OBJECT DESCRIPTION TFTP Server IP Address Type in your TFTP server IP Restore File Name Type in the correct file name for restoring TFTP Backup Configuration You can back up the current configuration from flash ROM to the TFTP server for the purpose of recovering the configuration later It helps you to avoid wasting time on configuring the settings by backing up the configuration Figure 4 16 Configuration Backup interface Configuration Backup TFTP Restore Configuration TFTP Backup Configuration TFTP Server IP Address Backup File Name HTTP Config File Backup Click here to download configuation file GE DS 242 PoE Managed Ethernet Switch User Manual 45 Chapter 4 Web Based Management This page includes the following fields
85. ed Management Click the hyperlink VLAN Static VLAN to enter the VLAN configuration interface Select 802 1Q in the VLAN Operation Mode to enable the 802 10 VLAN function Click Add to create a new VLAN group or Edit to management exist VLAN groups Then the VLAN Group column appears Input a VLAN group ID and available range is 2 4094 Figure 4 28 VLAN Group Configuration interface 62 Static VLAN VLAN Operation Mode 802 10 Titer VLAN Name DEFAULT Poti fy Port2 i Port3 Port4 Add gt gt PortS Port Port7 Ports Port9 Port10 Portti Port12 2 CPU Port Select specific port as member port The screen in Figure 4 29 appears GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management Figure 4 29 802 1Q VLAN Setting Web Page screen VLAN Name DEFAULT VLAN ID 1 Untag Portis iv Untag Ej Port20 Untag EJ Untag 4 Port22 Untag J This page includes the following fields OBJECT DESCRIPTION VLAN Name Use this optional field to specify a name for the VLAN It can be up to 16 alphanumeric characters long including blanks You can configure the ID number of the VLAN by this item This field is VLAN ID used to add VLANs one at a time The VLAN group ID and available range is 2 4094 Port Indicate port 1 to port 26 Untag Packets forwarded by the interface are untagged UnTag Me
86. eny Permit Permit packet cross switch Deny Drop packet Any VID Any Any Vlan id VID 1 4094 A certain vlan id IPv4 Non IPv4 Binding IPv4 Set Ipv4 packet field Non IPv4 Set non Ipv4 packet field Binding Set binding entry KKK KKK RK KKK DEFAULT VALUE Permit Any IPv4 00 11 22 33 44 55 is represent a digit from 0 9 and A F is range from 0 to FF AAK eo Ido bbe is represent a digit from 0 9 is range from 0 to 255 Source port id from 1 26 You create ACL and Binding groups 0 0 0 0 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management MAC Limit MAC limit allows users to set a maximum number of MAC addresses to be stored in the MAC address table The MAC addresses chosen to be stored in MAC address table is the result of first come first save policy Once a MAC address is stored in the MAC address table it stays in until it is aged out When an opening is available the switch stored the first new MAC address it sees in that opening All packets from MAC addresses not in the MAC address table should be blocked MAC Limit Configuration The Layer 2 MAC Limit function can be per port configured for security management purposes When the port is in MAC Limit mode the port will be locked without permission of address learning Only the incoming packets with Source MAC already existing in the address table can be forwarded normally User can
87. ers lt name str gt specifies the system name string e g snmp system name SWITCH GE DS 242 PoE Managed Ethernet Switch User Manual 167 Chapter 6 Command Line Interface Snmp system location Description Set agent location string Syntax snmp system location lt location str gt Parameters lt location str gt specifies the location string e g snmp system location office Snmp system contact Description Set agent system contact string Syntax snmp system contact lt contact str gt Parameters lt contact str gt specifies the contact string e g snmp system contact abc sina com show snmp system Description Show SNMP system information 168 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 6 Command Line Interface Community Strings snmp community Description Set SNMP community string Syntax snmp community lt read sysinfo only read all only read write all gt lt community str gt Parameters lt community str gt specifies the community string e g snmp community read all only public no snmp community Description Delete SNMP community string Syntax no snmp community lt community str gt Parameters lt community str gt specifies the community string e g no snmp community public show snmp community Description Show SNMP community strings GE DS 242 PoE Managed Ethernet Switch User Manual 169 Chapter 6 Command Line Interface
88. et Switch User Manual Chapter 6 Command Line Interface The difference between a port based VLAN and a tag based VLAN is that the tag based VLAN truly divided the network into several logically connected LANs Packets rambling around the switches can be forwarded more intelligently In the figure shown below by identifying the tag broadcast packets coming from computer A in VLAN1 at sw1 can be forwarded directly to VLAN1 However the switch could not be so smart in the port based VLAN mechanism Broadcast packets will also be forwarded to port 4 of sw2 It means the port based VLAN can not operate a logical VLAN group among switches The GE DS 242 PoE supports both Port based VLAN and Tag based 802 1Q VLAN modes The default configuration is tag based 802 1Q VLAN In the 802 1Q VLAN initially all ports on the switch belong to default VLAN VID is 1 NOTE You cannot delete the default VLAN group in 802 10 VLAN mode VLAN Mode Port based Packets can go among only members of the same VLAN group Note all unselected ports are treated as belonging to another single VLAN If the port based VLAN enabled the VLAN tagging is ignored show vlan mode Description Display the current VLAN mode vlan mode Description Change VLAN mode Syntax vlan mode disabled port based dot1iq Parameters disabled port based dot1q specifies the VLAN mode NOTE Change the VLAN mode for every time user have to restart the swit
89. etting Link Aggregation LACP Port 1 Port 4 Dynamitic enabled Switch A LACP Enable Link Aggregation LACP Port 2 Port 5 Dynamitic enabled Switch A LACP Enable Keep 4GbE Active Link Port 1 Port 5 Configured Members GE DS 242 PoE Managed Ethernet Switch User Manual 81 Chapter 4 Web Based Management This section provides Port Trunk Aggregator settings for each port from the Managed Switch the screen in Figure 4 40 appears Figure 4 40 Port Trunk Aggregator setting interface two ports are added to the left field with LACP enabled Trunking Aggregator Setting Aggregator Information State Activity LACP stem Prio ca 32768 Group ID 1 lt lt Get LACP Enabie EJ work Ports l2 f Pe rent Port24 Port2 im Port3 S PortS Port Port Ports Porto WJ This page includes the following fields OBJECT System Priority Group ID LACP Work ports 82 DESCRIPTION A value which is used to identify the active LACP The Managed Switch with the lowest value has the highest priority and is selected as the active LACP peer of the trunk group There are 13 trunk groups to be selected Assign the Group ID to the trunk group e Enabled the trunk group is using LACP A port which joins an LACP trunk group has to make an agreement with its member ports first e Disabled the trunk group is a static trunk group The advantage of
90. f easy WEB based management but also the centralized SNMP application to monitor the status of Switch and traffic per port The key features are WEB SSL Telnet 802 19 Q in Q VLAN Rapid Spanning Tree IGMP Snooping 802 1X Authentication RADIUS e Access Control List e SNMP and 4 RMON groups How to Use this Manual This User Manual is structured as follows Section Section Content INTRODUCTION Product description with features and specifications INSTALLATION Explains the functions of the Managed Switch and how to physically SWITCH MANAGEMENT WEB CONFIGURATION CONSOLE MANAGEMENT COMMAND LINE install the Managed Switch Contains information about the software function of the Managed Switch Explains how to manage the Managed Switch by Web interface Describes how to use the Console management interface Explains how to manage the Managed Switch by Command Line INTERFACE interface SWITCH OPERATION Explains how to operate the Managed Switch POWER OVER ETHERNET Introduces the IEEE 802 3af PoE standard and PoE provision of the OVERVIEW Managed Switch TROUBLESHOOTING Explains how to troubleshoot the Managed Switch APPENDIX A Contains cable information for the Managed Switch GE DS 242 PoE Managed Ethernet Switch User Manual 3 Chapter 1 Introduction Product Features e Physical Port O O O O 24 Port 10 100Base TX RJ 45 with PoE Injector 2 Port Gigabit TP SFP combo interfaces Reset butt
91. fier Syntax radius server nas lt id str gt Parameters lt id str gt specifies NAS identifier string show radius server Description Show radius server information including radius server IP port number accounting port number shared key NAS identifier dot1x timeout quiet period Description Set 802 1x quiet period default 60 seconds Syntax dot1x timeout quiet period lt 0 65535 gt Parameters lt 0 65535 gt specifies the quiet period in seconds dot1x timeout tx period Description Set 802 1 Tx period default 15 seconds Syntax dotix timeout tx period lt 0 65535 gt Parameters lt 0 65535 gt specifies the Tx period in seconds 174 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 6 Command Line Interface dot1x timeout supplicant Description Set 802 1x supplicant timeout default 30 seconds Syntax dot1x timeout supplicant lt 1 300 gt Parameters lt 1 300 gt specifies the supplicant timeout in seconds dot1x timeout radius server Description Set radius server timeout default 30 seconds Syntax dot1x timeout radius server lt 1 300 gt Parameters lt 1 300 gt specifies the radius server timeout in seconds dot1x max req Description Set 802 1x maximum request retries default 2 times Syntax dot1x max req lt 1 10 gt Parameters lt 1 10 gt specifies the maximum request retries dot1x timeout re authperiod Descript
92. gnated Root for the Root Bridge Hello Time Minimum time between transmissions of Configuration BPDUs Forward Delay Derived value of the Root Port Bridge Forward Delay parameter Port Configuration This web page provides the port configuration interface for RSTP You can assign higher or lower priority to each port Rapid spanning tree will have the port with the higher priority in forwarding state and block other ports to make certain that there is no loop in the LAN 78 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management Figure 4 38 RSTP Port Configuration interface Spanning Tree System Configuration PerPort Configuration Configure Spanning Tree Port Parameters Path Cost Priority Admin Edge Admin Non STP Admin P2P Port Number 1200000000 antares Default NO Default NO Default AUTO 200000 128 STP Port Status Ports 2000000 128 Disabled NO NO NO Port4 2000000 128 Disabled No NO NO This page includes the following fields OBJECT DESCRIPTION The cost of the path to the other bridge from this transmitting bridge at Path Cost the specified port Enter a number 1 through 200 000 000 Decide which port should be blocked by setting its priority as the lowest Priority Enter a number between 0 and 240 The value of priority must be the multiple of 16 The rapid state transitions possible within RSTP
93. gress Priority e 802 1p Priority the 802 1p packet has a priority tag in its packet header The range of the priority is 7 0 The Managed Switch can specify the mapping between 802 1p priority and the four transmission queues In the default setting the packets with 802 1p priority O 1 are put into the queue with lowest priority the packets with 802 1p priority 2 3 are put into queue with second low priority and so on e Static Port Ingress Priority each port is assigned with one priority 7 0 The priority of the packet received from one port is set to the same priority of the receiving port When the priority of the received packet was determined the packet is treated as an 802 1p packet with that priority and will be put into a queue according to the 802 1p Priority setting QoS Configuration QoS mode e First Come First Service The sequence of packets sent is depending on arrive orders e All High before Low The high priority packets sent before low priority packets e WRR Weighted Round Robin Select the preference given to packets in the switch s high priority queue These options represent the number of higher 156 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 6 Command Line Interface priority packets sent before one lower priority packet is sent For example 8 Highest 4 second high means that the switch sends 8 highest priority packets before sending 4 second high priority packets e QoS level 0 7 prio
94. h PC Workstation with IE Brower IP Adress RJ 45 UTP Cable 192 168 0 100 IP Adress 192 168 0 x Logging on to the Switch 1 Use Internet Explorer 6 0 or above Web browser Enter the factory default IP address to access the Web interface The factory default IP Address as following http 192 168 0 100 2 When the following login screen appears please enter the default username admin with password admin or the username password you have changed via console to login the main screen of Managed Switch The login screen in Figure 4 2 appears Default User name admin Default Password admin 30 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management Figure 4 2 Login screen Connect to 192 168 0 100 The server 192 168 0 100 at 24 2G Switch requires a username and password Warning This server is requesting that your username and password be sent in an insecure manner basic authentication without a secure connection User name admin Password eocee C Remember my password 1 After entering the username and password the main screen appears as Figure 4 3 Figure 4 3 Web main page MENU GE DS 242 PoE 2 4 6 eo Pp 4 6 6 2 22 2 1 3 s oN amp 8 2 tS ae 8s Home System gt Port Configuration Welcome to GE Security Layer 2 Features Security GE DS 242 PoE Qos Power over Ethernet 24 Port 10 100Mbps 2G TP SFP Combo Managed PoE
95. h User Manual Chapter 4 Web Based Management This page includes the following fields OBJECT DESCRIPTION NO Indicate port 1 to port 26 Set the port VLAN ID that will be assigned to untagged traffic on a given port This feature is useful for accommodating devices that you want to participate in the VLAN but that don t support tagging PVID The switch each port allows user to set one VLAN ID the range is Ingress Filtering 1 Ingress Filtering 2 Apply button 1 255 default VLAN ID is 1 The VLAN ID must as same as the VLAN ID that the port belong to VLAN group or the untagged traffic will be dropped Ingress filtering lets frames belonging to a specific VLAN to be forwarded if the port belongs to that VLAN Enable Forward only packets with VID matching this port s configured VID Disable Disable Ingress filter function Drop untagged frame Disable Acceptable all Packet Enable Only packet with match VLAN ID can be permission to go through the port Press the button to save configurations GE DS 242 PoE Managed Ethernet Switch User Manual 65 Chapter 4 Web Based Management 802 10 VLAN IEEE 802 1Q Tunneling Q in Q IEEE 802 10 Tunneling QinQ is designed for service providers carrying traffic for multiple customers across their networks QinQ tunneling is used to maintain customer specific VLAN and Layer 2 protocol configurations even when different customers use the same internal VLAN IDs This
96. he GE DS 242 PoE in a rack lo kheoog GE DS 242 PoE Managed Ethernet Switch User Manual 17 Chapter 2 Installation Step 6 Follow steps 4 and 5 of the Desktop Installation section to connect the network cabling and supply power to the Managed Switch SFP Transceiver Installation This section describes how to insert an SFP transceiver into an SFP slot SFP transceivers are hot pluggable and hot swappable You can insert and remove a transceiver to and from any SFP port without powering down the Managed Switch as shown in Figure 2 7 Figure 2 7 Plugging in the SFP transceiver Approved GE Security SFP Transceivers The Managed Switch supports both single mode and multi mode SFP transceivers The following list of approved GE Security SFP transceivers is correct at the time of publication 1000Base SX LX SFP transceiver e SFP1000SX 220 SFP 1000BASE SX SFP transceiver Multi mode 220m e SFP1000LX 10Km SFP 1000BASE LX SFP transceiver Single Mode 10km NOTE It is recommended that only approved GE Security SFP transceivers be used on the Managed Switch If you insert an SFP transceiver that is not supported the Switch will not recognize it 18 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 2 Installation Before connecting the other switches workstations or Media Converter 1 Make sure both sides of the SFP transceiver are the same media type for example 1000Base Sx to 1000Base Sx 1000Bas Lx
97. how spanning tree port Description Show spanning tree per port information Syntax show spanning tree port lt port list gt Parameters lt port list gt specifies the port to be shown Null means all ports The remaining commands in this section are only for system with RSTP rapid spanning tree 802 1w capability spanning tree debug Description Enable or disable spanning tree debugging information 164 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 6 Command Line Interface spanning tree protocol version Description Change spanning tree protocol version Syntax spanning tree protocol version lt stp rstp gt Parameters stp specifies the original spanning tree protocol STP 802 14d rstp specifies rapid spanning tree protocol RSTP 802 1w no spanning tree port mcheck Description Force the port to transmit RST BPDUs No format means not force the port to transmit RST BPDUs Syntax no spanning tree port mcheck lt port list gt Parameters lt port list gt specifies the ports to be set Null means all ports no spanning tree port edge port Description Set the port to be edge connection No format means set the port to be non edge connection Syntax no spanning tree port edge port lt port list gt Parameters lt port list gt specifies the ports to be set Null means all ports GE DS 242 PoE Managed Ethernet Switch User Manual 165 Chapter 6 Command
98. hree attempts to start authentication the client transmits frames as if the port is in the authorized state A port in the authorized state effectively means that the client has been successfully authenticated When the client supplies its identity the switch begins its role as the intermediary passing EAP frames between the client and the authentication server until authentication succeeds or fails If the authentication succeeds the switch port becomes authorized The specific exchange of EAP frames depends on the authentication method being used Figure 4 64 shows a message exchange initiated by the client using the One Time Password OTP authentication method with a RADIUS server Figure 4 64 EAP message exchange Authentication Server 802 1 Switch RADIUS _ RADIUS Access Request Client EAPOL Start EAP Request Identity EAP Response Iidentity EAP Request OTP RADIUS Access Challenge EAP Response OTP RADIUS Access Request EAP Success RADIUS Access Accept Port Authorized EAPOL Logoff EEE sol Port Unauthonzed e Ports in Authorized and Unauthorized States The switch port state determines whether or not the client is granted access to the network The port starts in the unauthorized state While in this state the port disallows all ingress and egress traffic except for 802 1X protocol packets When a client is successfully authenticated the port transitions to the author
99. ible retain the carton including the original packing material and use them to repack the product in case there is a need to return it Product Description High Performance Wire Speed Switching The GE Security GE DS 242 PoE Managed Switch offers 24 Ethernet ports with 2 Gigabit TP SFP combo ports Port 25 26 The type 24 Fast Ethernet ports of GE DS 242 PoE are 10 100Base TX copper RJ 45 These two Gigabit TP SFP combo ports of all models can be either 1000Base T for 10 100 1000Mbps or 1000Base SX LX through SFP Small Form factor Pluggable interface The distance can be extended from 100 meters TP 550 meters Multi mode fiber up to above 10 50 70 120 kilometers Single mode fiber The series Managed Switch boasts a high performance switch s architecture that is capable of providing non blocking switch fabric and wire speed throughput as high as 8 8Gbps Its two built in GbE uplink ports also offer incredible extensibility flexibility and connectivity to the Core switches or Servers 2 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 1 Introduction Power Over Ethernet The PoE in line power following the standard IEEE 802 3af makes the GE DS 242 PoE able to power on 24 PoE devices at a distance of up to 100 meters through the 4 pair Cat 5 5e UTP wire Cost effective solution with SNMP monitor for Network deployment GE Security releases the cost effective Managed Switch not only for catering to the need o
100. in For example 8 Highest 4 SecHigh 2 SecLow 1 Lowest means that the switch sends 8 highest priority packets before sending 4 second high priority packet before sending 2 second low priority packet before sending 1 lowest priority packet 802 1p priority 0 7 Set up the COS priority level 0 7 High Middle Low Lowest NOTE 802 1p Priority Priority classifiers of the Switch forward packet COS range is from 0 to 7 Seven is the high class Zero is the less class The user may configure the mapping between COS and Traffic classifiers QoS PerPort Configuration Configure the priority level for each port With the drop down selection item of Priority Type above being selected as Port based this control item will then be available to set the queuing policy for each port 98 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management Figure 4 57 QoS Configuration Port Based Priority QoS Configuration Qes configuration Configure Port Priority Port Number Port Priority Disable 0 1 Gen 3 Port Pi PortNum 6 Porti Port2 Disable Port3 Disable Port4 Disable PortS Disable This page includes the following fields OBJECT DESCRIPTION Port Number Indicate port 1 to port 26 Port Priority Each port has 8 priority levels O 7 or Disable to be chosen 7 is the highest priority TOS DSCP TOS DSCP priority is obtained through a 6
101. ing table lists the CLI commands and descriptions Chapter 5 Console Management privileged EXEC mode exit or end Modes Access Method Prompt Exit Method About This Model The user commands available at the user level are a subset of those available at the privileged level User EXEC TA g ae switch gt Enter logout or quit with your switch Use this mode to e Perform basic tests e Display system information The privileged command is the advanced mode Enter the enable Use this mode to Privileged EXEC command while in switch a oaea User EXEC mode i e Display advanced function status e Save configuration Enter the Use this mode to Global configure switch To exit to privileged configure those command while in EXEC mode enter parameters that are Configuration config going to be applied to your switch GE DS 242 PoE Managed Ethernet Switch User Manual 125 Chapter 5 Console Management 126 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 6 Command Line Interface Operation Notice To enter the configuration mode you need to be in the privileged mode and then types in the command configure Switch configure Switch config GE DS 242 PoE Managed Ethernet Switch User Manual 127 Chapter 6 Command Line Interface Command Line Editing Key Function lt Ctrl gt B lt Moves the
102. ion Set 802 1x re auth period default 3600 seconds Syntax dotix timeout re authperiod lt 30 65535 gt Parameters lt 30 65535 gt specifies the re auth period in seconds GE DS 242 PoE Managed Ethernet Switch User Manual 175 Chapter 6 Command Line Interface show dot1x Description Show 802 1x information quiet period Tx period supplicant timeout server timeout maximum requests and re auth period dot1x port Description Set 802 1x per port information Syntax dot1x port lt fu fa au no gt lt port list gt Parameters fu specifies forced unauthorized fa specifies forced authorized au specifies authorization no specifies disable authorization lt port list gt specifies the ports to be set show dot1x port Description Show 802 1x per port information 176 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 6 Command Line Interface Access Control List Packets can be forwarded or dropped by ACL rules include lpv4 or non lpv4 The Managed Switch can be used to block packets by maintaining a table of packet fragments indexed by source and destination IP address protocol and so on lpv4 ACL commands no acl Description Delete ACL group Syntax no acl lt 1 220 gt Parameters lt 1 220 gt specifies the group id e g no acl 1 no acl count Description Reset the ACL group count Syntax no acl count lt Groupld gt Parameters Groupld lt 1
103. ized state allowing all traffic for the client to flow normally If a client that does not support 802 1X is connected to an unauthorized 802 1X port the switch requests the client s identity In this situation the client does not respond to the request the port remains in the unauthorized state and the client is not granted access to the network GE DS 242 PoE Managed Ethernet Switch User Manual 111 Chapter 4 Web Based Management In contrast when an 802 1X enabled client connects to a port that is not running the 802 1X protocol the client initiates the authentication process by sending the EAPOL start frame When no response is received the client sends the request for a fixed number of times Because no response is received the client begins sending frames as if the port is in the authorized state If the client is successfully authenticated receives an Accept frame from the authentication server the port state changes to authorized and all frames from the authenticated client are allowed through the port If the authentication fails the port remains in the unauthorized state but authentication can be retried If the authentication server cannot be reached the switch can retransmit the request If no response is received from the server after the specified number of attempts authentication fails and network access is not granted When a client logs off it sends an EAPOL logoff message causing the switch port to transiti
104. l Chapter 4 Web Based Management OBJECT DESCRIPTION Port 1 Port 24 supports by port ingress and egress rate control For example assume port 1 is 1OMbps users can set its effective egress rate at 1Mbps and ingress rate at 500Kbps Device will perform flow control or backpressure to confine the ingress rate to meet the specified rate e Ingress Type the port effective ingress rate Rate Control The valid range is 0 8000 The unit is 128K Unit 128KBbps 0 disable rate control 1 8000 valid rate value e Egress Type the port effective egress rate The valid range is 0 8000 The unit is 128K 0 disable rate control 1 8000 valid rate value A port in security mode will be locked without permission of address learning Only the incoming packets with SMAC already existing in the address table can be forwarded normally Security User can disable the port from learning any new MAC addresses then use the static MAC addresses screen to define a list of MAC addresses that can use the secure port Enter the settings then click Apply button to change on this page User can disable Enable port broadcast storm filtering option by port BSF The filter mode and filter packets type can be select in Switch Setting gt Misc Config page User can disable Enable port jumbo frame option by port When port Jumbo Frame jumbo frame is enable the port forward jumbo frame packet GE DS 242 PoE Managed Ethernet Swit
105. l 171 Chapter 6 Command Line Interface igmp debug Description Enable disable IGMP snooping debugging output Syntax no igmp debug show igmp Description Show IGMP snooping information Syntax show igmp lt status router groups table gt Parameters Status specifies IGMP snooping status and statistics information router specifies IGMP snooping router s IP address groups specifies IGMP snooping multicast group list table specifies IGMP snooping IP multicast table entries igmp clear_statistics Description Clear IGMP snooping statistics counters 172 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 6 Command Line Interface 802 1x Protocol dotix Description Enable or disable 802 1x Syntax no dotix radius server host Description Set radius server IP port number and accounting port number Syntax radius server host lt ip addr gt lt 1024 65535 gt lt 1024 65535 gt Parameters lt ip addr gt specifies server s IP address The first lt 1024 65535 gt specifies the server port number The second lt 1024 65535 gt specifies the accounting port number radius server key Description Set 802 1x shared key Syntax radius server key lt key str gt Parameters lt key str gt specifies shared key string GE DS 242 PoE Managed Ethernet Switch User Manual 173 Chapter 6 Command Line Interface radius server nas Description Set 802 1x NAS identi
106. le gt Parameters lt ip addr gt specifies the IP address of the TFTP server lt remote file gt specifies the file to be downloaded from the TFTP server 152 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 6 Command Line Interface Backup Configure File copy lt running config flash gt tftp Description Send configuration to the TFTP server If you want to save the configuration in a text file of CLI commands use the keywordrunning config If you want to save the configuration flash image instead use the keyword flash Syntax copy lt running config flash gt tftp lt ip addr gt lt remote file gt Parameters lt ip addr gt specifies the IP address of the TFTP server GE DS 242 PoE Managed Ethernet Switch User Manual 153 Chapter 6 Command Line Interface MAC limit MAC limit allows users to set a maximum number of MAC addresses to be stored in the MAC address table The MAC addresses chosen to be stored in MAC address table is the result of first come first save policy Once a MAC address is stored in the MAC address table it stays in until it is aged out When an opening is available the switch stored the first new MAC address it sees in that opening All packets from MAC addresses not in the MAC address table should be blocked User can configure the MAC limit setting and fill in the new value mac limit Description Enable MAC limit no mac limit Description Disable MAC limit
107. lly send LACP protocol packets and Passive responds only if it receives LACP protocol packets from the opposite device 86 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management Figure 4 47 State Activity of Switch 2 Trunking NOTE A link having two passive LACP nodes will not perform dynamic LACP trunk because both ports are waiting for an LACP protocol packet from the opposite device GE DS 242 PoE Managed Ethernet Switch User Manual 87 Chapter 4 Web Based Management Forwarding and Filtering The frames of Ethernet Packets contain a MAC address SMAC address which shows the MAC address of the equipment sending the frame The SMAC address is used by the switch to automatically update the MAC table with these dynamic MAC addresses Dynamic entries are removed from the MAC table if no frames with the corresponding SMAC address have been seen after a configurable age time Dynamic MAC Table Entries in the MAC Table are shown on this page The Dynamic MAC Table contains up to 8192 entries and is sorted first by VLAN ID then by MAC address You can view all of the dynamic MAC addresses learned by the listed port Figure 4 48 Dynamic MAC Address interface Forwarding and Filtering r IEN Dynamic MAC Table E Te Click Clear will clear Dynamic addresses from the switch Dynamic addresses currently learned on the switch are listed below mc 3 00 0E 2E 76 ED FD poo 00 IB
108. lt IE6 0 or later version does not allow Java Applets to open sockets The user has to explicitly modify the browser setting to enable Java Applets to use network ports The Managed Switch can be configured through an Ethernet connection make sure the manager PC must be set on same the IP subnet address with the Managed Switch For example the default IP address of the Managed Switch is 192 168 0 100 then the manager PC should be set at 192 168 0 x where x is a number between 1 and 254 except 100 and the default subnet mask is 255 255 255 0 If you have changed the default IP address of the Managed Switch to 192 168 1 1 with subnet mask 255 255 255 0 via console then the manager PC should be set at 192 168 1 x where x is a number between 2 and 254 to do the relative configuration on manager PC GE DS 242 PoE Managed Ethernet Switch User Manual 29 Chapter 4 Web Based Management Requirements e Workstations of subscribers running Windows 98 ME NT4 0 2000 2003 XP MAC OS9 or later Linux UNIX or other platform compatible with TCP IP protocols e Workstation installed with Ethernet NIC Network Card e Ethernet Port connect e Network cables Use standard network UTP cables with RJ45 connectors e Above PC installed with WEB Browser and JAVA runtime environment Plug in It is recommended to use Internet Explorer 6 0 or above to access the GE DS 242 PoE Managed Switch Figure 4 1 Web management setup Managed Switc
109. lticast group About the Internet Group Management Protocol IGMP Snooping Computers and network devices that want to receive multicast transmissions need to inform nearby routers that they will become members of a multicast group The Internet Group Management Protocol IGMP is used to communicate this information IGMP is also used to periodically check the multicast group for members that are no longer active In the case where there is more than one multicast router on a sub network one router is elected as the queried This router then keeps track of the membership of the multicast groups that have active members The information received from IGMP is then used to determine if multicast packets should be forwarded to a given sub network or not The router can check using IGMP to see if there is at least one member of a multicast group on a given subnet work If there are no members on a sub network packets will not be forwarded to that sub network Figure 4 51 Multicast Service i Multicast Receiver Multicast P Transmitter a f IPTV S Server Switch Switch ulticast Multicast Receiver lt Switch A Multicast Receiver GE DS 242 PoE Managed Ethernet Switch User Manual 91 Chapter 4 Web Based Management Figure 4 52 Multicast flooding Multicast Receiver i t z n IN come S m ca 7 aaf Switch Multicast Receiver E pe Receiver Figure 4 53 IGMP Snooping multicast s
110. matically take over when a primary link goes down The spanning tree algorithms supported by this switch include these versions e STP Spanning Tree Protocol IEEE 802 1D e RSTP Rapid Spanning Tree Protocol IEEE 802 1w The IEEE 802 1D Spanning Tree Protocol and IEEE 802 1W Rapid Spanning Tree Protocol allow for the blocking of links between switches that form loops within the network When multiple links between switches are detected a primary link is established Duplicated links are blocked from use and become standby links The protocol allows for the duplicate links to be used in the event of a failure of the primary link Once the Spanning Tree Protocol is configured and enabled primary links are established and duplicated links are blocked automatically The reactivation of the blocked links at the time of a primary link failure is also accomplished automatically without operator intervention This automatic network reconfiguration provides maximum uptime to network users However the concepts of the Spanning Tree Algorithm and protocol are a complicated and complex subject and must be fully researched and understood It is possible to cause serious degradation of the performance of the network if the Spanning Tree is incorrectly configured Please read the following before making any changes from the default values The Switch STP performs the following functions e Creates a single spanning tree from any combination of switchi
111. mber Defines the interface as a tagged member of a VLAN All Tag packets forwarded by the interface are tagged The packets contain VLAN information 6 After setup completed please press Apply button to take effect 7 Please press Back for return to VLAN configuration screen to add other VLAN group the screen in Figure 4 28 appears 8 If there are many groups that over the limit of one page you can click Next to view other VLAN groups 9 Use the Delete button to delete unwanted VLAN 10 Use the Edit button to modify existing VLAN group GE DS 242 PoE Managed Ethernet Switch User Manual 63 Chapter 4 Web Based Management NOTE Enable 802 1Q VLAN the all ports on the switch belong to default VLAN VID is 1 The default VLAN can t be deleted VLAN Filter e 802 1Q VLAN Port Configuration This page is used for configuring the Switch port VLAN The VLAN per Port Configuration page contains fields for managing ports that are part of a VLAN The port default VLAN ID PVID is configured on the VLAN Port Configuration page All untagged packets arriving to the device are tagged by the ports PVID This section provides 802 1Q Ingress Filter of each port from the Switch the screen in Figure 4 30 appears Figure 4 30 802 1Q Ingress filter interface Static VLAN VLAN Operation Mode 802 10 E F VLAN Group VLAN Filters Disable NO PVID Ingress Filtering 1 Ingress Filtering 2 64 GE DS 242 PoE Managed Ethernet Switc
112. me and Forward Delay Time 2 x Forward Delay Time value 1 gt Max Age value gt 2 x Hello Time value 1 NOTE Each switch in a spanning tree adopts the Hello Time Forward Delay time and Max Age parameters of the root bridge regardless of how it is configured Root Bridge Information This page provides a status overview for all RSTP bridge instances The displayed table contains a row for each RSTP bridge instance where the column displays the following information The RSTP Bridge Status screen in Figure 4 37 appears GE DS 242 PoE Managed Ethernet Switch User Manual 77 Chapter 4 Web Based Management Figure 4 37 RSTP Bridge Status page screenshot Root Bridge Information Priority 32768 MAC Address J00 30 4F 75 F2 AA Root Path Cost jo Root Port jo Maximum Age 20 Hello Time 2 Forward Delay 15 This page includes the following fields Object Description Priority The bridge identifier of the root bridge It is made up from the bridge priority and the base MAC address of the bridge MAC Address The bridge identifier of the root bridge It is made up from the bridge priority and the base MAC address of the bridge Root Path Cost For the Root Bridge this is zero For all other Bridges it is the sum of the Port Path Costs on the least cost path to the Root Bridge Root Port The switch port currently assigned the root port role Maximum Age Path Cost to the Desi
113. ments into an autonomous user group that appears as a single LAN VLAN also logically segment the network into different broadcast domains so that packets are forwarded only between ports within the VLAN Typically a VLAN corresponds to a particular subnet although not necessarily VLAN can enhance performance by conserving bandwidth and improve security by limiting traffic to specific domains A VLAN is a collection of end nodes grouped by logic instead of physical location End nodes that frequently communicate with each other are assigned to the same VLAN regardless of where they are physically on the network Logically a VLAN can be equated to a broadcast domain because broadcast packets are forwarded to only members of the VLAN on which the broadcast was initiated NOTE 1 No matter what basis is used to uniquely identify end nodes and assign these nodes VLAN membership packets cannot cross VLAN without a network device performing a routing function between the VLAN 2 The Managed Switch supports IEEE 802 1Q VLAN The port untagging function can be used to remove the 802 1 tag from packet headers to maintain compatibility with devices that are tag unaware The Managed Switch supports IEEE 802 1Q tagged based and Port Base VLAN setting in web management page In the default configuration VLAN support is 802 1Q Port based VLAN Port based VLAN limit traffic that flows into and out of switch ports Thus all devices conne
114. mit this packet to the network it connected If found and the destination address is located at different port from this packet comes in the Ethernet Switching will forward this packet to the port where this destination address is located according to the information from address table But if the destination address is located at the same port with this packet comes in then this packet will be filtered Thereby increasing the network throughput and availability GE DS 242 PoE Managed Ethernet Switch User Manual 191 Chapter 7 Switch Operation Store and Forward Store and Forward is one type of packet forwarding techniques A Store and Forward Ethernet Switching stores the incoming frame in an internal buffer do the complete error checking before transmission Therefore no error packets occurrence it is the best choice when a network needs efficiency and stability The Ethernet Switch scans the destination address from the packet header searches the routing table pro vided for the incoming port and forwards the packet only if required The fast forwarding makes the switch attractive for connecting servers directly to the network thereby increasing throughput and availability However the switch is most commonly used to segment existence hubs which nearly always improves overall performance An Ethernet Switching can be easily configured in any Ethernet network environment to significantly boost bandwidth using conventional cabling and
115. mitted or denied to access the resource The screen in following screen appears Packets can be forwarded or dropped by ACL rules include Ipv4 or non lpv4 The Managed Switch can be used to block packets by maintaining a table of packet fragments indexed by source and destination IP address protocol and so on Packet Type Bindings can be selected to ACL for lpv4 or Non lpv4 102 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management Figure 4 60 Access Control List ACL Web Page screen Access Control List p Id 1 220 1 4094 Any means Vid 0 if uses binding any rp 0 0 0 0 Mask255 255 255 255 any Owfoooo SS Mask255 255 255 255 E Protocol M Port v Port 1 26 0 don t care C3 C Crec re This page includes the following fields IPv4 ACL OBJECT DESCRIPTION DEFAULT VALUE Group ID 1 247 max 247 ACL group Action Permit Deny Permit Permit Permit packet cross switch Deny Drop packet VLAN Any VID Any Any Any VLAN id VID 1 4094 A certain VLAN id Packet Type IPv4 Non IPv4 Binding IPv4 IPv4 Set lpv4 packet field Non IPv4 Set non Ipv4 packet field Binding Set binding entry GE DS 242 PoE Managed Ethernet Switch User Manual 103 Chapter 4 Web Based Management OBJECT DESCRIPTION Src IP A
116. more information about using the console refer to Chapter 5 Console Management GE DS 242 PoE Managed Ethernet Switch User Manual 25 Chapter 3 Switch Management Figure 3 4 Console management setup Managed Switch PC Workstation with Terminal emulation software Serial Port 57600 8 n 1 Serial Port Direct Access Direct access to the administration console is achieved by directly connecting a terminal or a PC equipped with a terminal emulation program such as HyperTerminal to the Managed Switch console serial port When using this management method a straight DB9 RS 232 cable is required to connect the switch to the PC After making this connection configure the terminal emulation program to use the following parameters e 57600 bps e 8data bits e No parity e 1stop bit Figure 3 5 Terminal parameter settings COM1 Properties m Port Settings Bits per second ESUN Data bits Parity Stop bits Flow control 26 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 3 Switch Management You can change these settings if desired after you log on This management method is often preferred because you can remain connected and monitor the system during system reboots Also certain error messages are sent to the serial port regardless of the interface through which the associated action was initiated A Macintosh or PC attachment can use any
117. n is certified Classification Once a PD is detected the PSE may optionally perform classification to determine the maximal power a PD is to consume The PSE induces 15 5 20 5 VDC limited to 100 mA for a period of 10 to 75 ms responded by a certain current consumption by the PD indicating its power class The PD is assigned to one of 5 classes O default class indicates that full 15 4 watts should be provided 1 3 indicate various required power levels and 4 is reserved for future use PDs that do not support classification are assigned to class 0 Special care must be employed in the definition of class thresholds as classification may be affected by cable losses Classifying a PD according to its power consumption may assist a PoE system in optimizing its power distribution Such a system typically suffers from lack of power resources so that efficient power management based on classification results may reduce total system costs Start up Once line detection and optional classification stages are completed the PSE must switch from low voltage to its full voltage capacity 44 57 Volts over a minimal amount of time above 15 microseconds A gradual startup is required as a sudden rise in voltage reaching high frequencies would introduce noise on the data lines Once provision of power is initiated it is common for inrush current to be experienced at the PSE port due to the PD s input capacitance A PD must be designed to
118. next month e The company staff has been clamoring for a wireless access point in the picnic area behind the building so they can work on their laptops through lunch but the cost of electrical power to the outside is not affordable e Management asks for IP Surveillance Cameras and business access systems throughout the facility but they would rather avoid another electrician s payment References IEEE Std 802 3af 2003 Amendment to IEEE Std 802 3 2002 including IEEE Std 802 3ae 2002 2003 Pagels 0_1 121 White Paper on Power over Ethernet IEEE802 3af GE DS 242 PoE Managed Ethernet Switch User Manual 195 Chapter 8 Power Over Ethernet Overview http www poweroverethernet com articles php article_id 52 Microsemi PowerDsine http www microsemi com PowerDsine Linear Tech http www linear com The PoE Provision Process While adding PoE support to networked devices is relatively painless it should be realized that power cannot simply be transferred over existing CAT 5 cables Without proper preparation doing so may result in damage to devices that are not designed to support provision of power over their network interfaces The PSE is the manager of the PoE process In the beginning only small voltage level is induced on the port s output till a valid PD is detected during the Detection period The PSE may choose to perform classification to estimate the amount of power to be consumed by this PD After a time c
119. ng Tree System Configuration PerPort Configuration Configure Spanning a Parameters 4 30 Diekacie 15 Apply Root Bridge Information 76 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management This page includes the following fields OBJECT DESCRIPTION The user must enable the RSTP function first before configuring the RSTP mode related parameters A value used to specify the spanning tree protocol the original Protocol Version spanning tree protocol STP 802 1d or the rapid spanning tree protocol RSTP 802 1 The switch with the lowest value has the highest priority and is selected as the root If the value is changed the user must reboot the switch Priority 0 61440 The value must be a multiple of 4096 according to the protocol standard rule The number of seconds a switch waits without receiving Spanning tree Max Age 6 40 Protocol configuration messages before attempting a reconfiguration Enter a value between 6 through 40 The time that controls the switch to send out the BPDU packet to check Hello Time 1 10 RSTP current status Enter a value between 1 through 10 The number of seconds a port waits before changing from its Rapid f Spanning Tree Protocol learning and listening states to the forwarding Forward Delay Time 4 30 state Enter a value between 4 through 30 NOTE Follow the rule as below to configure the MAX Age Hello Ti
120. ng or bridging elements e Creates multiple spanning trees from any combination of ports contained within a single switch in user specified groups GE DS 242 PoE Managed Ethernet Switch User Manual 69 Chapter 4 Web Based Management e Automatically reconfigures the spanning tree to compensate for the failure addition or removal of any element in the tree e Reconfigures the spanning tree without operator intervention Bridge Protocol Data Units For STP to arrive at a stable network topology the following information is used e The unique switch identifier e The path cost to the root associated with each switch port e The port identifier STP communicates between switches on the network using Bridge Protocol Data Units BPDUs Each BPDU contains the following information e The unique identifier of the switch that the transmitting switch currently believes is the root switch e The path cost to the root from the transmitting port e The port identifier of the transmitting port The switch sends BPDUs to communicate and construct the spanning tree topology All switches connected to the LAN on which the packet is transmitted will receive the BPDU BPDUs are not directly forwarded by the switch but the receiving switch uses the information in the frame to calculate a BPDU and if the topology changes initiates a BPDU transmission The communication between switches via BPDUs results in the following e One switch is ele
121. nsmit or receive any packet Tx Good Packet The counts of transmitting good packets via this port The counts of transmitting bad packets including undersize less than Tx Bad Packet 64 octets oversize CRC Align errors fragments and jabbers packets via this port Rx Good Packet The counts of receiving good packets via this port The counts of receiving good packets including undersize less than 64 BK BadiPackel octets oversize CRC error fragments and jabbers via this port Tx Abort Packet The aborted packet while transmitting Packet Collision The counts of collision packet GE DS 242 PoE Managed Ethernet Switch User Manual 51 Chapter 4 Web Based Management OBJECT DESCRIPTION Packet Dropped The counts of dropped packet Rx Bcast Packet The counts of broadcast packet Rx Mcast Packet The counts of multicast packet Port Sniffer The Port Sniffer mirroring is a method for monitor traffic in switched networks Traffic through a port can be monitored by one specific port That is traffic goes in or out a monitored port will be duplicated into sniffer port Figure 4 22 Port Mirror application Port Mirroring UP Link Target Port Monitor Client With Ethereal or Sniffer Pro Configuring the port mirroring by assigning a source port from which to copy all packets and a destination port where those packets will be sent 52 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Man
122. nsmitted have a tag or not If the transmitting port is connected to a tag unaware device the packet should be untagged If the transmitting port is connected to a tag aware device the packet should be tagged Default VLANs The Switch initially configures one VLAN VID 1 called default The factory default setting assigns all ports on the Switch to the default As new VLAN are configured in Port based mode their respective member ports are removed from the default VLAN and Link Aggregation Groups In order to use VLAN segmentation in conjunction with port link aggregation groups you can first set the port link aggregation groupi s and then you may configure VLAN settings If you wish to change the port link aggregation grouping with VLAN already in place you will not need to reconfigure the VLAN settings after changing the port link aggregation group settings VLAN settings will automatically change in conjunction with the change of the port link aggregation group settings Static VLAN Configuration A Virtual LAN VLAN is a logical network grouping that limits the broadcast domain It allows you to isolate network traffic so only members of the VLAN receive traffic from the same VLAN members Basically creating a VLAN from a switch is logically equivalent of reconnecting a group of network devices to another Layer 2 switch However all the network devices are still plug into the same switch physically The Managed Switch su
123. ntication server performs the actual authentication of the client The authentication server validates the identity of the client and notifies the switch whether or not the client is authorized to access the LAN and switch services Because the switch acts as the proxy the authentication service is transparent to the client In this release the Remote Authentication Dial In User Service RADIUS security system with Extensible Authentication Protocol EAP extensions is the only supported authentication server it is available in Cisco Secure Access Control Server version 3 0 RADIUS operates in a client server model in which secure authentication information is exchanged between the RADIUS server and one or more RADIUS clients e Switch 802 1X device controls the physical access to the network based on the authentication status of the client The switch acts as an intermediary proxy between the client and the authentication server requesting identity information from the client verifying that information with the authentication server and relaying a response to the client The switch includes the RADIUS client which is responsible for encapsulating and decapsulating the Extensible Authentication Protocol EAP frames and interacting with the authentication server When the switch receives EAPOL frames and relays them to the authentication server the Ethernet header is stripped and the remaining EAP frame is re encapsulated in the RADIUS fo
124. on for system management 1 RS 232 male DB9 console interface for Switch basic management and setup e Layer 2 Features O Complies with the IEEE 802 3 IEEE 802 3u IEEE 802 3ab IEEE 802 3z Gigabit Ethernet standard High performance Store and Forward architecture broadcast storm control runt CRC filtering eliminates erroneous packets to optimize the network bandwidth 8K MAC Address Table automatic source address learning and ageing Support VLANs IEEE 802 1Q Tag Based VLAN Upto 255 VLANs groups out of 4096 VLAN IDs Port Based VLAN Q in Q tunneling Double Tag VLAN Supports Link Aggregation Upto 13 Trunk groups Up to 8 ports per trunk group with 1 6Gbps bandwidth Full Duplex mode IEEE 802 3ad LACP Link Aggregation Control Protocol Cisco ether Channel Static Trunk Support Spanning Tree Protocol STP IEEE 802 1D Classic Spanning Tree Protocol RSTP IEEE 802 1w Rapid Spanning Tree Protocol e Quality of Service O 4 priority queues on all switch ports o Traffic classification GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 1 Introduction EEE 802 1p Class of Service IP TOS DSCP code priority Port Base priority o Strict priority and weighted round robin WRR CoS policies o Ingress Egress Bandwidth control on each port e Multicast o IGMP Snooping v1 and v2 o IGMP Query mode for Multicast Media application o 256 multicast groups e Security o Layer 2 3 4 A
125. on to the unauthorized state If the link state of a port transitions from up to down or if an EAPOL logoff frame is received the port returns to the unauthorized state System Configuration 802 1x makes use of the physical access characteristics of IEEE802 LAN infrastructures in order to provide a means of authenticating and authorizing devices attached to a LAN port that has point to point connection characteristics and of preventing access to that port in cases in which the authentication and authorization process fails To enable 802 1x from System System Information Misc Config then you still to fill in the authentication server information Figure 4 65 System information Misc Configuration 802 1x Protocol Turn On Port Interval 0 seconds 0 3600 seconds interval time between turning off and turning on port for flooding CPU port O disable Broadcast Storm Filter Mode OFF E Broadcast Storm Filter Packet select Broadcast Packets CIP Multicast O Control Packets C Flooded Unicast Multicast Packets Collisions Retry Forever 16 Hash Algorithm CRC Hash E IP MAC Binding Disable 802 1x Protocol ETA 112 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management After enabling the IEEE 802 1X function you can configure the parameters of this function Figure 4 66 802 1x System Configuration interface 802 1x Configuration System Configuration PerPo
126. ondary MAC address table entries show smac address table multicast Description Display multicast related secondary MAC address table no filter Description Set MAC address filter The packets will be filtered if both of the destination MAC address and the VLAN tag matches the filter entry If the packet does not have a VLAN tag then it matches an entry with VLAN ID 1 Syntax no filter lt mac addr gt lt vlan id gt 160 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 6 Command Line Interface show filter Description Display filter MAC address table GE DS 242 PoE Managed Ethernet Switch User Manual 161 Chapter 6 Command Line Interface STP RSTP Commands no spanning tree Description Enable or disable spanning tree spanning tree forward delay Description Set spanning tree forward delay used in seconds Syntax spanning tree forward delay lt 4 30 gt Parameters lt 4 30 gt specifies the forward delay in seconds Default value is 15 NOTE The parameters must enforce the following relationships 2 hello time 1 lt maximum age lt 2 forward delay 1 spanning tree hello time Description Set spanning tree hello time in seconds Syntax spanning tree hello time lt 1 10 gt Parameters lt 1 10 gt specifies the hello time in seconds Default value is 2 NOTE The parameters must enforce the following relationships 2 hello time 1 lt maximum age
127. ont panel illustrations in this chapter display the unit s LED indicators Read this chapter completely before connecting any network device to the Managed Switch GE DS 242 PoE Managed Ethernet Switch User Manual 11 Chapter 2 Installation Hardware Description Switch Front Panel The Switches front panel provides a simple interface for monitoring the Managed Switch Figure 2 1 shows the front panel of the Managed Switch Figure 2 1 GE DS 242 PoE Switch front panel 24 2G Managed za Switch i 10 100Mbps TP Interface Port 1 Port 24 10 100Base TX Copper RJ 45 Twist Pair Up to 100 meters Gigabit TP Interface Port 25 Port 26 10 100 1000Base T Copper RJ 45 Twist Pair Up to 100 meters Gigabit SFP Slots Port 25 Port 26 1000Base SX LX mini GBIC slot SFP Small Form Factor Pluggable transceiver module from 550 meters Multi mode fiber up to 10 30 50 70 120 kilometers Single mode fiber Console Port The console port is a DB9 RS 232 male serial port connector It is an interface for connecting a terminal directly Through the console port it provides rich diagnostic information includes IP Address setting factory reset port management link status and system setting Users may use the attached RS 232 cable in the package and connect to the console port on the device After the connection users may run any terminal emulation program Hyper Terminal Procomm Plus Telix Winterm and so on to enter the
128. ontrolled start up the PSE begins supplying the 48 VDC level to the PD till it is physically or electrically disconnected Upon disconnection voltage and power shut down Since the PSE is responsible for the PoE process timing it is the one generating the probing signals prior to operating the PD and monitoring the various scenarios that may occur during operation All probing is done using voltage induction and current measurement in return Stages of powering up a PoE link Volts specified Volts managed Stage Action per 802 3af by chipset aain Measure whether powered device has the correct 27 10 0 1 8 10 0 signature resistance of 15 33 kQ Classification Measure which power level class the resistor indicates 14 5 20 5 12 5 25 0 Startup Where the powered device will startup gt 42 gt 38 Normal operation Supply power to device 36 57 25 0 60 0 196 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 8 Power Over Ethernet Overview Line Detection Before power is applied safety dictates that it must first be ensured that a valid PD is connected to the PSE s output This process is referred to as line detection and involves the PSE seeking a specific 25 KO signature resistor Detection of this signature indicates that a valid PD is connected and that provision of power to the device may commence The signature resistor lies in the PD s PoE front end isolated from the rest of the the PD s circuitries till detectio
129. ord If the cord is inserted correctly check that the AC power source is working by connecting a different device in place of the switch 4 If that device works refer to the next step 5 If that device does not work check the AC power While IP Address be changed or forgotten admin password To reset the IP address to the default IP Address 192 168 0 100 or reset the password to default value Press the hardware reset button at the front panel about 10 seconds After the device is rebooted you can login the management WEB interface within the same subnet of 192 168 0 xx GE DS 242 PoE Console e eee e e o TE E HHE co 57600 N 8 1 Y PoE In Use Reset 202 GE DS 242 PoE Managed Ethernet Switch User Manual Appendix A RJ 45 Pin Assignment Switch s RJ 45 Pin Assignments 1000Mbps 1000Base T Contact MDI MDI X 1 BI_DA BI_DB 2 BI_DA BI_DB 3 BI_DB BI_DA 4 BI_DC BI_DD 5 BI_DC BI_DD 6 BI_DB BI_DA 7 BI_DD BI_DC 8 BI_DD BI_DC Implicit implementation of the crossover function within a twisted pair cable or at a wiring panel while not expressly forbidden is beyond the scope of this standard GE DS 242 PoE Managed Ethernet Switch User Manual 203 Appendix A RJ 45 Pin Assignment 10 100Mbps 10 100Base TX When connecting your 10 100Mbps Ethernet Switch to another switch a bridge or a hub a straight or crossover cable is necessary
130. ort list gt Parameters lt port list gt specifies the ports to be set If not entered all ports are set Example Switch config poe enable 1 Current Device Oper Priority Power Limit W Consumption W Se ee inee Switch config no poe enable 1 witch config show poe status 1 Current Device Oper Priority Power Limit W Consumption W Sea eines Disable off 188 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 6 Command Line Interface poe priority Description Set port priority for the power supply management The command is configurable while poe limit mode is set to Port Priority Command Level Global Configuration Syntax poe priority Critical High Low lt port list gt Parameters Critical High Low e Critical Indicates that operating the powered device is high e High Indicates that operating the powered device has medium priority e Low Indicates that operating the powered device has low priority lt port list gt specifies the ports to be set If not entered all ports are set Example Switchiconfig poe priority low 1 witch config show poe status 1 Current Device Oper Priority Power Limit W Consumption W Current mA Cince GE DS 242 PoE Managed Ethernet Switch User Manual 189 Chapter 6 Command Line Interface poe maximum power Description Enabling or disabling per port power output limit The command is configurable while poe limit mod
131. ort s configured VID enable disable specifies the untagged frame will be dropped or not If set enable drop untagged frame show vlan filter Description Show VLAN filter setting Syntax show vlan filter LIST Parameters LIST specifies the ports to be showed If not entered all ports filter rules will be shown GE DS 242 PoE Managed Ethernet Switch User Manual 145 Chapter 6 Command Line Interface 146 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 6 Command Line Interface Misc Configuration no mac age time Description Set MAC address age out time Syntax no mac age time Enable or disable MAC address age out mac age time lt 6 1572858 gt Parameters lt 6 1572858 gt specifies the MAC address age out time Must be divisible by 6 Type the number of seconds that an inactive MAC address remains in the switch s address table show mac age time Description Show MAC address age out time broadcast Description Set broadcast storm filter mode to off 1 2 1 4 1 8 1 16 Syntax broadcast mode lt off 1 2 1 4 1 8 1 16 gt GE DS 242 PoE Managed Ethernet Switch User Manual 147 Chapter 6 Command Line Interface broadcast select Description Select the Broadcast storm filter packet type Unicast Multicast Flood unicast multicast filter Control Packets Control packets filter IP multicast IP multicast packets filter Broadcast Packets Broadcast Packe
132. orward packets They must also wait for the packet lifetime to expire for BPDU packets that were forwarded based on the old topology The forward delay timer is used to allow the network topology to stabilize after a topology change In addition STP specifies a series of states a port must transition through to further ensure that a stable network topology is created after a topology change Each port on a switch using STP exists is in one of the following five states e Blocking the port is blocked from forwarding or receiving packets e Listening the port is waiting to receive BPDU packets that may tell the port to go back to the blocking state e Learning the port is adding addresses to its forwarding database but not yet forwarding packets e Forwarding the port is forwarding packets e Disabled the port only responds to network management messages and must return to the blocking state first A port transitions from one state to another as follows e From initialization switch boot to blocking e From blocking to listening or to disabled e From listening to learning or to disabled e From learning to forwarding or to disabled e From forwarding to disabled e From disabled to blocking GE DS 242 PoE Managed Ethernet Switch User Manual 71 Chapter 4 Web Based Management Figure 4 33 STP Port State Transitions 5 You can modify each port state by using management software When you enable STP every port on
133. ot entered all members set to untagged e g switch config vlan add 1 vlan1 cpu port 1 4 This VLAN entry has four members from port1 to port4 and all members are untagged no vian Description Delete VLAN entry Syntax no vian lt 1 4094 gt Parameters lt 1 4094 gt specifies the VLAN id or group id if port based VLAN e g no vlan 1 show vlan Description Show VLAN entry information Syntax show vlan lt 1 4094 gt Parameters lt 1 4094 gt specifies the VLAN id null means all valid entries e g GE DS 242 PoE Managed Ethernet Switch User Manual 141 Chapter 6 Command Line Interface GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 6 Command Line Interface show vlan static Description Show static VLAN entry information show vlan pvid Description Show port default VLAN id Syntax show vlan pvid LIST Parameters LIST specifies the ports to be showed If not entered all port s PVID will be showed e g GE DS 242 PoE Managed Ethernet Switch User Manual 143 Chapter 6 Command Line Interface 144 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 6 Command Line Interface vlan filter Description Set ingress filter rules Syntax vian filter enable disable enable disable LIST Parameters enable disable specifies the non members packet will be forwarded or not If set enable forward only packets with VID matching this p
134. our connected cables are with same pin assignment and color as above picture before deploying the cables into your network GE DS 242 PoE Managed Ethernet Switch User Manual 205
135. p addr gt Description Show IP address subnet mask and the default gateway Description Shows basic information including system info MAC address and versions 150 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 6 Command Line Interface dhcp Description Set switch as dhcp client it can get ip from dhcp server NOTE If you set this command the switch will reboot show dhcp Description Show dhcp enable disable Reboot switch boot Description Reboot warm start the switch Reset to Default erase startup config Description Reset configurations to default factory settings at next boot time GE DS 242 PoE Managed Ethernet Switch User Manual 151 Chapter 6 Command Line Interface TFTP Update Firmware copy tftp firmware Description Download firmware from TFTP server Syntax copy tftp firmware lt ip addr gt lt remote file gt Parameters lt ip addr gt specifies the IP address of the TFTP server lt remote file gt specifies the file to be downloaded from the TFTP server Restore Configure File copy tftp lt running config flash gt Description Retrieve configuration from the TFTP server If the remote file is the text file of CLI commands use the keyword running config If the remote file is the configuration flash image of the switch instead use the keyword flash Syntax copy tftp lt running config flash gt lt ip addr gt lt remote fi
136. pairs or spare pairs of standard CAT 5 cabling How Power is Transferred Through the Cable A standard CATS Ethernet cable has four twisted pairs but only two of these are used for 1OBASE T and 100BASE T The specification allows two options for using these cables for power shown in Figure 8 1 and Figure 8 2 The spare pairs are used Figure 8 1 shows the pair on pins 4 and 5 connected together and forming the positive supply and the pair on pins 7 and 8 connected and forming the negative supply In fact a late change to the spec allows either polarity to be used Figure 8 1 Power Supplied over the Spare Pins POWER SOURCING POWER DEVICE EQUIPMENT PSE PD SPARE PAIR 1 1 ON SIGMAL PAIR 7 SPARE PAIR SIGNAL PAIR 3 3 194 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 8 Power Over Ethernet Overview The data pairs are used Since Ethernet pairs are transformer coupled at each end it is possible to apply DC power to the center tap of the isolation transformer without upsetting the data transfer In this mode of operation the pair on pins 3 and 6 and the pair on pins 1 and 2 can be of either polarity Figure 8 2 Power Supplied over the Data Pins POWER SOURCING POWER DEVICE EQUIPMENT PSE SPARE PAIR When to install PoE Consider the following scenarios e e You re planning to install the latest VoIP Phone system to minimize cabling building costs when your company moves into new offices
137. plying the STA Rules _ LAN Portcast 19 A Bridge 10 15 Portcast 4 Portcast 4 Porteast 4 Portcast 4 B rej C pr Bridge ID 30 Bridge 10 20 Portcast 19 Portcast 19 Aan e a AN mH In this example only the default STP values are used Figure 4 35 After Applying the STA Rules A Root Bridges Designated Port Designated Port Root Port Root Port C m Designated Bridge GE DS 242 PoE Managed Ethernet Switch User Manual 75 Chapter 4 Web Based Management The switch with the lowest Bridge ID switch C was elected the root bridge and the ports were selected to give a high port cost between switches B and C The two optional Gigabit ports default port cost 4 on switch A are connected to one optional Gigabit port on both switch B and C The redundant link between switch B and C is deliberately chosen as a 100 Mbps Fast Ethernet link default port cost 19 Gigabit ports could be used but the port cost should be increased from the default to ensure that the link between switch B and switch C is the blocked link RSTP System Configuration This section provides RSTP System Configuration from the Switch the screen in Figure 4 36 appears e The user can view spanning tree information of Root Bridge e The user can modify RSTP state After modification click the Apply button Figure 4 36 RSTP System Configuration interface Spanni
138. ports by clicking the Add button after selecting the port number and the column field of Work Ports changes automatically Figure 4 44 Switch 2 configuration interface Trunking Aggregator Information state Activity 10 Click on the tab of Aggregator Information to check the trunked group information as the illustration shown above after the two switches have been configured Figure 4 45 Switch 1 Aggregator Information Trunking Aggregator Setting Aggregator Information State Activity The following information provides a view of LACP current status 32768 00304f10c976 ports asof eeeeeclporra faali Pom aso felexedporre sia GE DS 242 PoE Managed Ethernet Switch User Manual 85 Chapter 4 Web Based Management State Activity Having set up the LACP aggregator on the tab of Aggregator Setting you can configure the state activity for the members of the LACP trunk group You can tick or cancel the checkbox beside the state label When you remove the tick mark of the port and click the Apply button the port state activity will change to Passive Figure 4 46 State Activity of Switch 1 Trunking Aggregator Setting Aggregator Information State Activity Ponl ACP State Activity pord Lap Stat nei Active Wile olrniu m e This page includes the following fields OBJECT DESCRIPTION Active The port automatically sends LACP protocol packets The port does not automatica
139. pports Port based and 802 1Q Tagged based VLAN in web management page In the default configuration VLAN support is 802 1Q GE DS 242 PoE Managed Ethernet Switch User Manual 57 Chapter 4 Web Based Management Figure 4 24 Static VLAN interface Static VLAN VLAN Operation Mode 802 10 E No VLAN Port Based VLAN 802 1Q TT iter VLAN Information DEFAULT_1 Ada Edi Delete PrePage NextPage Help NOTE 1 No matter what basis is used to uniquely identify end nodes and assign these nodes VLAN membership packets cannot cross VLAN without a network device performing a routing function between the VLAN 2 The Switch supports Port based VLAN and IEEE 802 1Q VLAN The port untagging function can be used to remove the 802 1 tag from packet headers to maintain compatibility with devices that are tag unaware Port Based VLAN Packets can go among only members of the same VLAN group Note all unselected ports are treated as belonging to another single VLAN If the port based VLAN enabled the VLAN tagging is ignored In order for an end station to send packets to different VLANs it itself has to be either capable of tagging packets it sends with VLAN tags or attached to a VLAN aware bridge that is capable of classifying and tagging the packet with different VLAN ID based on not only default PVID but also other information about the packet such as the protocol 58 GE DS 242 PoE Managed Ethernet Switch User Man
140. ransmit information between reporting GE DS 242 PoE Managed Ethernet Switch User Manual 27 Chapter 3 Switch Management devices and data collection programs SNMP runs on top of the User Datagram Protocol UDP offering a connectionless mode service Management Architecture All of the management application modules use the same Messaging Application Programming Interface MAPI By unifying management methods with a single MAPI configuration parameters set using one method console port for example are immediately displayable by the other management methods for example SNMP agent of Web browser The management architecture of the switch adheres to the IEEE open standard This compliance assures customers that the Managed Switch is compatible with and will interoperate with other solutions that adhere to the same open standard 28 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management Summary This section introduces the configuration and functions of the Web Based management About Web based Management The Managed Switch offers management features that allow users to manage the Managed Switch from anywhere on the network through a standard browser such as Microsoft Internet Explorer The Web Based Management supports Internet Explorer 6 0 It is based on Java Applets with an aim to reduce network bandwidth consumption enhance access speed and present an easy viewing screen NOTE By defau
141. rity com For contact information see our Web site www gesecurity eu Content Chapter 1 Introduction 1 Package Contents 2 Product Description 2 How to Use this Manual 3 Product Features 4 Product Specifications 7 Chapter 2 Installation 11 Hardware Description 12 Switch Installation 15 Chapter 3 Switch Management 21 Requirements 22 Management Access Overview 22 Web Management 23 SNMP Based Network Management 25 Administration Console 25 Protocols 27 Management Architecture 28 Chapter 4 Web Based Management 29 About Web based Management 29 System 34 VLAN Configuration 54 Rapid Spanning Tree 69 Trunking 81 Forwarding and Filtering 88 IGMP Snooping 91 QoS Configuration 96 Access Control List 102 MAC Limit 107 802 1X Configuration 109 Power Over Ethernet 116 Chapter 5 Console Management 121 Login in the Console Interface 121 Configure IP address 123 Commands Level 125 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 6 Command Line Interface 127 Operation Notice 127 System Commands 128 Switch Static Configuration 129 Trunk Configuration 135 VLAN Configuration 138 Misc Configuration 147 Administration Configuration 149 MAC limit 154 Port Mirroring Configuration 155 Quality of Service 156 MAC Address Configuration 159 STP RSTP Commands 162 SNMP 167 IGMP 171 802 1x Protocol 173 Access Control List 177 Binding 182 Power over Ethernet Commands 184 Chapter 7 Switch Operation 191 Chapter 8 Power Over
142. rity level can map to highest second high second low lowest queue qos priority Description Set 802 1p priority Syntax qos priority lt first come first service all high before low weighted round robin gt Parameters lt highest weight gt lt sechighweight gt lt sec low weight gt lt lowest weight gt e g qos priority weighted round robin 8 4 2 1 qos level Description Set priority levels to highest second high second low and lowest Syntax qos level lt highest second high second low lowest gt lt level list gt Parameters lt level list gt specifies the priority levels to be high or low Level must be between 1 and 7 e g qos level highest 7 e g gos level lowest 4 GE DS 242 PoE Managed Ethernet Switch User Manual 157 Chapter 6 Command Line Interface Description Show QoS configurations including802 1p priority priority level e g Per Port Priority Description Set port priority Syntax port priority lt disable 0 7 gt lt port list gt Parameters lt port list gt specifies the ports to be set If not entered all ports are set e g port priority disable 1 5 158 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 6 Command Line Interface MAC Address Configuration clear mac address table Description Clear all dynamic MAC address table entries mac address table static Description Set static unicast or multicast MAC ad
143. rk needs a unique address on the network It s similar to having a US mail address so other people have a know way to send you messages An IP address is a four byte number which is usually written in dot notation each of the bytes decimal value is written as a number and the numbers are separated by dots aka periods An example 199 25 123 1 How do I get one for this box The IP addresses on most modern corporate nets are assigned by an employee called a Network Administrator or Sys Admin This person assigns IP addresses and is responsible for making sure that IP addresses are not duplicated If this happens one or both machines with a duplicate address will stop working Another possibility is getting your address assigned to you automatically over the net via DHCP protocol Enable DHCP function and reset the machine If your network is set up for this service you will get an IP address assigned over the network If you don t get an address in about 30 seconds you probably don t have DHCP IP Configuration The IP Configuration includes the IP Address Subnet Mask and Gateway The Configured column is used to view or change the IP configuration Fill up the IP Address Subnet Mask and Gateway for the device The screen in Figure 4 8 appears GE DS 242 PoE Managed Ethernet Switch User Manual 37 Chapter 4 Web Based Management Figure 4 8 IP configuration interface IP Configuration DHCP Disable IP
144. rmat The EAP frames are not modified or examined during encapsulation and the authentication server must support EAP within the native frame format When the switch receives frames from the authentication server the server s frame header is removed leaving the EAP frame which is then encapsulated for Ethernet and sent to the client e Authentication Initiation and Message Exchange The switch or the client can initiate authentication If you enable authentication on a port by using the dot1x port control auto interface configuration command the switch must initiate authentication when it determines that the port link state transitions from down to up It then sends an EAP request identity frame to the client to request its identity typically the switch sends an initial identity request frame followed by one or more requests for authentication information Upon receipt of the frame the client responds with an EAP response identity frame However if during bootup the client does not receive an EAP request identity frame from the switch the client can initiate authentication by sending an EAPOL start frame which prompts the switch to request the client s identity 110 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management NOTE If 802 1X is not enabled or supported on the network access device any EAPOL frames from the client are dropped If the client does not receive an EAP request identity frame after t
145. rol Negotiation Duplex sitio ne aa Ingress o enable E fo Enable Enable J Rate Control Negotiation Duplex Unit 128Kbps Port24 Jon _ Downjauto _ 100_Full_ of Jort joff_ fon This page includes the following fields OBJECT DESCRIPTION Port Use the scroll bar and click on the port number to choose the port to be configured State Current port state The port can be set to disable or enable mode If the port state is set as Disable it will not receive or transmit any packet Auto and Force Being set as Auto the speed and duplex mode are Negotiation negotiated automatically When you set it as Force you have to set the speed and duplex mode manually It is available for selecting when the Negotiation column is set as Force opeen When the Negotiation column is set as Auto this column is read only D plex It is available for selecting when the Negotiation column is set as Force p When the Negotiation column is set as Auto this column is read only Whether or not the receiving node sends feedback to the sending node is determined by this item When enabled once the device exceeds the input data rate of another device the receiving device will send a Flow Control PAUSE frame which halts the transmission of the sender for a specified period of time When disabled the receiving device will drop the packet if too much to process 48 GE DS 242 PoE Managed Ethernet Switch User Manua
146. roup members It then propagates the service requests on to any upstream multicast switch router to ensure that it will continue to receive the multicast service NOTE Multicast routers use this information along with a multicast routing protocol such as DVMRP or PIM to support IP multicasting across the Internet 94 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management IGMP Configuration The Switch support IP multicast you can enable IGMP protocol on web management s switch setting advanced page then the IGMP snooping information displays IP multicast addresses range are from 224 0 0 0 through 239 255 255 255 Figure 4 55 IGMP Configuration interface IGMP Snooping MP Protocol v Group G VID MemberPort GI GI Multicast Ip_Address I This page includes the following fields OBJECT DESCRIPTION IGMP Protocol Enable or disable the IGMP protocol IGMP Fastleave Enable or disable Fast Leave on the port IGMP Querier Enable or disable the IGMP query function The IGMP query information will be displayed in IGMP status section NOTE Fast Leave The Managed Switch can be configured to immediately delete a member port of a multicast service if a leave packet is received at that port and the fastleave function is enabled for the parent VLAN This allows the Managed witch to remove a port from the multicast forwarding table without first having to send an IGMP g
147. roup specific query to that interface GE DS 242 PoE Managed Ethernet Switch User Manual 95 Chapter 4 Web Based Management QoS Configuration Understand QOS Quality of Service QoS is an advanced traffic prioritization feature that allows you to establish control over network traffic QoS enables you to assign various grades of network service to different types of traffic such as multi media video protocol specific time critical and file backup traffic QoS reduces bandwidth limitations delay loss and jitter It also provides increased reliability for delivery of your data and allows you to prioritize certain applications across your network You can define exactly how you want the switch to treat selected applications and types of traffic You can use QoS on your system to e Control a wide variety of network traffic by e Classifying traffic based on packet attributes e Assigning priorities to traffic for example to set higher priorities to time critical or business critical applications e Applying security policy through traffic filtering e Provide predictable throughput for multimedia applications such as video conferencing or voice over IP by minimizing delay and jitter e Improve performance for specific types of traffic and preserve performance as the amount of traffic grows e Reduce the need to constantly add bandwidth to the network e Manage network congestion The QoS page of the Switch contains
148. rt Description Show port monitoring information GE DS 242 PoE Managed Ethernet Switch User Manual 155 Chapter 6 Command Line Interface Quality of Service There are four transmission queues with different priorities in the Managed Switch Highest SecHigh SecLow and Lowest The Managed Switch will take packets from the four queues according to its QoS mode setting If the QoS mode was set to Disable the Managed Switch will not perform QoS on its switched network If the QoS mode was set to High Empty Then Low the Managed Switch will never exhaust packets from a queue until the queues with higher priorities are empty If the QoS mode was set to weight ratio the Managed Switch will exhaust packets from the queues according to the ratio The default value of QoS mode is weight 8 4 2 1 That means the switch will first exhaust 8 packets from the queue with highest priority and then exhaust 4 packets from the queue with second high priority and so on When the switch received a packet the switch has to decide which queue to put the received packet into In the Managed Switch it will put received packets into queues according to the settings of 802 1p Priority and Static Port Ingress Priority When the received packet is an 802 1p tagged packet the switch will put the packet into a queue according to the 802 1p Priority setting Otherwise the switch will put the packet into a queue according the setting of Static Port In
149. rt Configuration Misc Configuration Configure 802 1x Parameters 192 168 0 99 Server Port accounting Po ee E This page includes the following fields OBJECT IEEE 802 1x Protocol Radius Server IP Server Port Accounting Port Shared Key NAS Identifier IEEE 802 1x Protocol DESCRIPTION Enable or disable 802 1x protocol Assign the RADIUS Server IP address Set the UDP destination port for authentication requests to the specified RADIUS Server Set the UDP destination port for accounting requests to the specified RADIUS Server Set an encryption key for using during authentication sessions with the specified RADIUS server This key must match the encryption key used on the RADIUS Server Set the identifier for the RADIUS client Enable or disable 802 1x protocol 4 12 3 802 1x Port Configuration In this page you can select the specific port and configure the authorization state The state provides No Authorization Force Authorized Force unauthorized and Authorize GE DS 242 PoE Managed Ethernet Switch User Manual 113 Chapter 4 Web Based Management Figure 4 67 802 1x Per Port Setting interface 802 1x Configuration System Configuration Port Configuration Misc Configuration Configure 802 1x Per Port State hee Port Status This page includes the following fields OBJECT FU Force Unauthorized FA Force Authorized
150. rvation value Once power overload detected the port will auto shut down and keep on detection mode until PD s power consumption lower than the power limit value NOTE For GE DS 242 PoE the total PoE power reservation from Port 1 24 is up to 380W 118 GE DS 242 PoE Managed Ethernet Switch User Manual e PD Classifications Chapter 4 Web Based Management A PD may be classified by the PSE based on the classification information provided by the PD The intent of PD classification is to provide information about the maximum power required by the PD during operation Class 0 is the default for PDs However to improve power management at the PSE the PD may opt to provide a signature for Class 1 to 3 The PD is classified based on power The classification of the PD is the maximum power that the PD will draw across all input voltages and operational modes A PD shall return Class 0 to 3 in accordance with the maximum power draw as specified by Table 4 3 Table 4 13 1 Device class Class Usage Range of maximum power used by the PD 0 Default 0 44 to 12 95 Watts 1 Optional 0 44 to 3 84 Watts 2 Optional 3 84 to 6 49 Watts 3 Optional 6 49 to 12 95 Watts 4 Not Allowed Reserved for Future Use NOTE Class 4 is defined but is reserved for future use A Class 4 signature cannot be provided by a compliant PD GE DS 242 PoE Managed Ethernet Switch User Manual 119 Chapter 4 Web Based Man
151. sure for Half Duplex Flow Control IEEE 802 3x Pause Frame for Full Duplex Power FAN Alarm Link Activity Green PoE In Use Amber 1000 LNK ACT Green 10 100 LNK ACT Green Operating Humidity 10 to 90 Non condensing Storage Temperature 20 to 70 C Layer 2 Functions Management Interface Console Telnet Web Browser SNMP v1 v2c GE DS 242 PoE Managed Ethernet Switch User Manual 7 Chapter 1 Introduction Port disable enable Auto negotiation 10 100Mbps full and half duplex mode selection Port Configuration Flow Control disable enable Bandwidth control and broadcast storm filter on each port Portstatus Display each port s speed duplex mode link status flow control status auto negotiation status Port Based VLAN up to 26 VLAN groups EEE 802 1q Tagged Based VLAN 4K VLAN ID up to 256 VLAN groups VLAN EEE 802 1d Spanning Tree Spanning Tree f EEE 802 1w Rapid Spanning Tree Static Port Trunk Link Aggregation EEE 802 3ad LACP Link Aggregation Control Protocol Supports 13 groups of 8 Port trunk support Traffic classification based on e Port Based priority Quality of Service o e 802 1p priority e P DSCP TOS field in IP Packet v1 and v2 IGMP Snooping 256 multicast groups and IGMP query Bandwidth Control Per port ingress egress bandwidth control in steps of128Kbps Port Mirror RX TX Both 802 1x Port Based Network access control MAC Limit Static MAC MAC Filtering RF
152. t the queuing policy for each port Priority Queue Service settings QoS settings allow customization of packet priority in order to facilitate delivery of data traffic that might be affected by latency problems The IEEE 802 1p Priority specification uses 8 priority levels to classify data packets In 802 1p compliant devices a tag inserted into the packet header is used to identify the priority level of data packets The Switch supports Static Port Ingress priority and four queues The screen in Figure 4 56 appears GE DS 242 PoE Managed Ethernet Switch User Manual 97 Chapter 4 Web Based Management Figure 4 56 QoS Configuration 802 1Priority QoS Configuration parrort contiguration Priority Queue Service QoS Mode O First Come First Service OAll High before Low Highest SecHigh SecLow Lowest wrr e a 2 802 1p priority 0 7 Lowest E Lowest E SecLow E SecLow Sectigh E Section E Highest E Hignest 3 l This page includes the following fields OBJECT DESCRIPTION First Come First Service The sequence of packets sent is depend on arrival order All High before Low The high priority packets sent before low priority packets Select the preference given to packets in the switch s higher priority queue These options represent the number of higher priority packets sent before one lower priority packet is sent Weighted Round Rob
153. tch or use dial up connection Not convenient for remote users Modem connection may prove to be unreliable or slow Web Management The Managed Switch offers management features that allow users to manage the Managed Switch from anywhere on the network through a standard browser such as Microsoft Internet Explorer After you set up your IP address for the switch you can access the Managed Switch s Web interface applications directly in your Web browser by entering the IP address of the Managed Switch You can then use your Web browser to list and manage the Managed Switch configuration parameters from one central location just as if you were directly connected to the Managed Switch s console port Web Management requires either Microsoft Internet Explorer 6 0 or later Safari or Mozilla Firefox 2 0 or later GE DS 242 PoE Managed Ethernet Switch User Manual 23 Chapter 3 Switch Management Figure 3 1 Web management setup Managed Switch PC Workstation with IE Brower IP Adress RJ 45 UTP Cable 192 168 0 100 Ly IP Adress 192 168 0 x Figure 3 2 Web main screen of Managed Switch GE DS 242 PoE Home System Welcome to GE Security GE DS 242 PoE 24 Port 10 100Mbps 2G TP SFP Combo Managed PoE Switch Port Configuration Layer 2 Features Security QoS Power over Ethernet Copyright 2009 GE Security Corporation All rights reserved 24 GE DS 242 PoE Managed Ethernet Switch User Manual
154. terface 122 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 5 Console Management Configure IP address The GE DS 242 PoE Managed Switch is shipped with default IP address as follows IP Address 192 168 0 100 Subnet Mask 255 255 255 0 To check the current IP address or modify a new IP address for the Switch please use the procedures as follows Show the current IP address 1 On Switch prompt enter configure 2 On Switch config prompt enter show ip 3 The screen displays the current IP address Subnet Mask and Gateway As show in Figure 5 2 Figure 5 2 Show IP information screen COM1_57600 HyperTerminal File Edit view Call Transfer Help Dm Forwarding IP Mcst TOS DSCP MAC Completed Username admin Password Switch configure Switch config show ip IP address 192 168 0 100 Subnet mask 259 255 255 0 Gateway 192 168 0 254 Switch config _ Connected 00 07 05 ANSIW 57600 8 N 1 Configure IP address 1 On Switch config prompt enter the following commands and press lt Enter gt As show in Figure 5 3 Switch config ip address 192 168 1 100 255 255 255 0 Switch config ip default gateway 192 168 1 254 The previous commands would apply the follow settings for the Switch GE DS 242 PoE Managed Ethernet Switch User Manual 123 Chapter 5 Console Management IP 192 168 1 100 Subnet Mask 255 255 255 0 Gateway 192 168 1 254 Figure 5
155. terminal emulation program for connecting to the terminal serial port A workstation attachment under UNIX can use an emulator such as TIP Protocols The Managed Switch supports the following protocols e Virtual terminal protocols such as Telnet e Simple Network Management Protocol SNMP Virtual Terminal Protocols Telnet A virtual terminal protocol is a software program such as Telnet that allows you to establish a management session from a Macintosh a PC or a UNIX workstation Because Telnet runs over TCP IP you must have at least one IP address configured on the Managed Switch before you can establish access to it with a virtual terminal protocol Terminal emulation differs from a virtual terminal protocol in that you must connect a terminal directly to the console serial port NOTE See the Installation Sheet that came with this product for a Telnet step by step procedure using Hyper Terminal To access the Managed Switch through a Telnet session 1 Be Sure of the Managed Switch is configured with an IP address and the Managed Switch is reachable from a PC 2 Start the Telnet program on a PC and connect to the Managed Switch The management interface is exactly the same with RS 232 console management SNMP Protocol Simple Network Management Protocol SNMP is the standard management protocol for multi vendor IP networks SNMP supports transaction based queries that allow the protocol to format messages and to t
156. the Ethernet Switch is not functioning properly make sure the Ethernet Switch was set up according to the instructions in this manual The Link LED is not lit Solution Check the cable connection and remove duplex mode of the Ethernet Switch Some stations cannot talk to other stations located on the other port Solution Check the VLAN settings trunk settings or port enabled disabled status Performance is bad Solution Check the full duplex status of the Ethernet Switch If the Ethernet Switch is set to full duplex and the partner is set to half duplex then the performance will be poor Please also check the in out rate of the port Why the Switch doesn t connect to the network Solution 1 Check the LNK ACT LED on the switch 2 Try another port on the Switch 3 Make sure the cable is installed properly GE DS 242 PoE Managed Ethernet Switch User Manual 201 Chapter 9 Troubleshooting 4 Make sure the cable is the right type 5 Turn off the power After a while turn on power again 100Base TX port link LED is lit but the traffic is irregular Solution Check that the attached device is not set to dedicate full duplex Some devices use a physical or software switch to change duplex modes Auto negotiation may not recognize this type of full duplex setting Switch does not power up Solution 1 AC power cord not inserted or faulty 2 Check that the AC power cord is inserted correctly 3 Replace the power c
157. the module Pulling out the module with too much force could damage the module and SFP module slot of the Managed Industrial Switch 20 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 3 Switch Management This chapter explains the methods that you can use to configure management access to the Managed Switch It describes the types of management applications and the communication and management protocols that deliver data between your management device work station or personal computer and the system It also contains information about port connection options This chapter covers the following topics Requirements Management Access Overview Administration Console Access Web Management Access SNMP Access Standards Protocols and Related Reading GE DS 242 PoE Managed Ethernet Switch User Manual 21 Chapter 3 Switch Management Requirements e Workstations of subscribers running Windows 98 ME NT4 0 2000 XP MAC OS9 or later Linux UNIX or other platform compatible with TCP IP protocols e Workstation installed with Ethernet NIC Network Interface Card e Ethernet Port connection e Network cables Use standard network UTP cables with RJ45 connectors e Above Workstation installed with WEB Browser and JAVA runtime environment Plug in e Serial Port connection e Above PC with COM Port DB 9 RS 232 or USB to RS 232 converter NOTE We recommended Internet Explore 6 0 or above to access the Managed Switch
158. the packet forwarding decision is made based on the destination MAC address and its associated port You must define the outgoing ports allowed for each port when you use port based VLANs In port based VLANs the packets received from one port can only be sent to the ports which are configured to the same VLAN As shown in the following figure the switch administrator configured port 1 2 as VLAN 1 and port 3 4 as VLAN 2 The packets received from port 1 can only be forwarded to port 2 The packets received from port 2 can only be forwarded to port 1 That means the computer A can send packets to computer B and vice versa The same situation also occurred in VLAN 2 The computer C and D can communicate with each other However the computers in VLAN 1 can not see the computers in VLAN 2 since they belonged to different VLANs IEEE 802 10 tag based VLANs enable the Ethernet functionality to propagate tagged packets across the bridges and provides a uniform way for creating VLAN within a network then span across the network For egress packet you can choose to tag it or not with the associated VLAN ID of this port For ingress packet you can forward this packet to a specific port as long as it is also in the same VLAN group The 802 1Q VLAN works by using a tag added to the Ethernet packets The tag contains a VLAN Identifier VID which belongs to a specific VLAN group And ports can belong to more than one VLAN 138 GE DS 242 PoE Managed Ethern
159. three types of QoS mode the CoS mode TOS mode or Port based mode can be selected Both the three mode rely on predefined fields within the packet to determine the output queue e CoS 802 1p Tag Priority Mode The output queue assignment is determined by the IEEE 802 1p VLAN priority tag e TOS DSCP Mode The output queue assignment is determined by the TOS or DSCP field in the IP packets e Port Based Priority Mode Any packet received from the specify high priority port will treated as a high priority packet 96 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management QoS Configuration QoS settings allow customization of packet priority in order to facilitate delivery of data traffic that might be affected by latency problems When CoS 802 1p Tag Priority is applied the Switch recognizes 802 1Q VLAN tag packets and extracts the VLAN tagged packets with User Priority value 802 1Q Tag and 802 1p priority User Priority CFI VLAN ID VID 3 bits 1 bits 12 bits TPID Tag Protocol TCI Tag Control Identifier Information 2 bytes 2 bytes Destination Source R Ethernet Preamble Address Address VLAN TAG Type Data FCS 6 bytes 6 bytes 4 bytes 2bytes 46 1517 bytes 4 bytes Set up the COS priority level With the drop down selection item of Priority Type above being selected as COS only COS first this control item will then be available to se
160. tream control Multicast Receiver Multicast Transmitter IGMP Snooping Switch IGMP Snooping Switch IPTV Server Router IGMP Snooping Switch IGMP Snooping Multicast Switch Receiver Multicast Receiver 92 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management IGMP Versions 1 and 2 Multicast groups allow members to join or leave at any time IGMP provides the method for members and multicast routers to communicate when joining or leaving a multicast group IGMP version 1 is defined in RFC 1112 It has a fixed packet size and no optional data The format of an IGMP packet is shown below IGMP Message Format Octets 0 8 16 31 Type Response Time Checksum Group Address all zeros if this is a query The IGMP Type codes are shown below Type Meaning 0x11 Membership Query if Group Address is 0 0 0 0 0x11 Specific Group Membership Query if Group Address is Present 0x16 Membership Report version 2 0x17 Leave a Group version 2 0x12 Membership Report version 1 IGMP packets enable multicast routers to keep track of the membership of multicast groups on their respective sub networks The following outlines what is communicated between a multicast router and a multicast group member using IGMP A host sends an IGMP report to join a group A host will never send a report when it
161. ts filter Syntax broadcast select lt unicast multicast control packet ip multicast broadcast gt Collision Retry Description Collision Retry setting Syntax Collision Retry lt off 16 32 48 gt Parameters 16 32 48 In Half Duplex collision retry maximum is 16 32 48 times and packet will be dropped if collisions still happen Disable In Half Duplex if collision occurs will retry forever Default 148 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 6 Command Line Interface Administration Configuration Change Username Password hostname Description Set switch name Syntax hostname lt name str gt Parameters lt name str gt specifies the switch name If you would like to have spaces within the name use quotes around the name no hostname Reset the switch name to factory default setting no password Description Set or remove username and password for manager or operator Syntax no password lt manager operator all gt Parameters The manager username and password is also used by the web UI GE DS 242 PoE Managed Ethernet Switch User Manual 149 Chapter 6 Command Line Interface IP Configuration User can configure the IP setting and fill in a new value Description Set IP address and subnet mask Syntax ip address lt ip addr gt lt ip mask gt Description Set the default gateway IP address Syntax ip default gateway lt i
162. ual Chapter 4 Web Based Management Figure 4 25 Port based VLAN interface Static VLAN VLAN Operation Mode Port Based VLAN VLAN Information Ada Edit Delete PrePage NextPage Help Create a VLAN and add member ports to it 1 Click the hyperlink VLAN Static VLAN to enter the VLAN configuration interface 2 Select Port Based VLAN at the VLAN Operation Mode to enable the port based VLAN function 3 Click Add to create a new VLAN group See Figure 4 26 appears 4 Type a name and Group ID for the new VLAN the available range is 2 4094 From the Available ports box select ports to add to the Managed Switch and click Add 6 Click Apply 7 You will see the VLAN Group displays 8 If the port based VLAN groups list over one page please click Next Page to view other VLAN groups on other page 9 Use the Delete button to delete unwanted port based VLAN groups 10 Use the Edit button to modify existing port based VLAN groups By adding ports to the VLAN you have created one port based VLAN group completely GE DS 242 PoE Managed Ethernet Switch User Manual 59 Chapter 4 Web Based Management Figure 4 26 Static VLAN interface Static VLAN VLAN Operation Mode Port Based VLAN EJ VLAN Name VLAN 1 Group ID 1 Ports D Portt J Port2 Port Port Port Port9 Port10 Port11 Port13 Port14 PorttS Port16 Ka Port3 Ports
163. us GE DS 242 PoE Managed Ethernet Switch User Manual 83 Chapter 4 Web Based Management This page includes the following fields OBJECT DESCRIPTION Group Key This is a read only column field that displays the trunk group ID Port member This is a read only column field that displays the members of this static trunk group LACP enabled Having set up the aggregator setting with LACP enabled you will see the trunking group information between two switches on the tab of Aggregator Information e Switch 1 configuration 1 2 3 4 Set System Priority of the trunk group The default is 1 Select a trunk group ID by pull down the drop down menu bar Enable LACP Include the member ports by clicking the Add button after selecting the port number and the column field of Work Ports changes automatically Figure 4 43 Aggregation Information of Switch 1 5 84 Trunking Aogregator Information state activity LACP System Priority Group ID 1x Click on the tab of Aggregator Information to check the trunked group information as the illustration shown above after the two switches configured GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 4 Web Based Management e Switch 2 configuration 6 Set System Priority of the trunk group For example 32768 7 Select a trunk group ID by pull down the drop down menu bar 8 Enable LACP 9 Include the member
164. valid groups e g show bind 1 bind add Description Add Binding group Syntax bind add lt 1 220 gt A B C D E F lt 0 4094 gt A B C D lt 1 26 gt Parameters lt 1 220 gt specifies the group id A B C D specifies the MAC address lt 0 4094 gt specifies the VLAN id 0 means don t care A B C D specifies the Source IP address 0 0 0 0 means don t care A B C D specifies the IP Address lt 1 26 gt specifies the Port id e g Switch config bind add 1 00 11 22 33 44 55 O 192 168 1 1 1 This Binding rule will permit all packet cross switch from device s IP is 192 168 1 1 and MAC is 00 11 22 33 44 55 and this device connect to switch port id 1 GE DS 242 PoE Managed Ethernet Switch User Manual 183 Chapter 6 Command Line Interface Power over Ethernet Commands Show System Power over Ethernet information show poe status Show PoE port information poe temperature protection Enabling or disabling the PoE power supply over temperature protection Display System PoE status Description Show System Power over Ethernet information Command Level Global Configuration Example 184 GE DS 242 PoE Managed Ethernet Switch User Manual Chapter 6 Command Line Interface Description Show per PoE port information Command Level Global Configuration Syntax show poe status lt port list gt Parameters lt port list gt specifies the ports to be set If not entered all ports are set Example 1
165. wants to leave a group for version 1 A host will send a leave report when it wants to leave a group for version 2 Multicast routers send IGMP queries to the all hosts group address 224 0 0 1 periodically to see whether any group members exist on their sub networks If there is no response from a particular group the router assumes that there are no group members on the network GE DS 242 PoE Managed Ethernet Switch User Manual 93 Chapter 4 Web Based Management The Time to Live TTL field of query messages is set to 1 so that the queries will not be forwarded to other sub networks IGMP version 2 introduces some enhancements such as a method to elect a multicast queried for each LAN an explicit leave message and query messages that are specific to a given group The states a computer will go through to join or to leave a multicast group are shown below Figure 4 54 IGMP State Transitions Non Member Leave Group Stop Timer Join Group Send Report Start Timer Leave Group Query Received Start Timer Report Received Stop Timer Timer Expried Send report Idle Member Delaying Member IGMP Querier A router or multicast enabled switch can periodically ask their hosts if they want to receive multicast traffic If there is more than one router switch on the LAN performing IP multicasting one of these devices is elected querier and assumes the role of querying the LAN for g

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