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Smart Switch Software User Manual GS748T

1. Figure 4 23 Viewing Packet Statistics The Port Statistics screen shows reports of packet traffic and packet errors formatted as follows Port Selection The port number on the switch selected from the Port pull down menu Statistics Detailed Tx and Rx statistical information by port Summary Statistics All ports Tx and Rx statistics summarized Presents the information from each port s internal counters To view statistics for a single port 1 From the Port pull down menu select the port number 2 Click Apply To retrieve summary statistics 1 Click Refresh to retrieve the current count from the device and update the tables 2 Click Clear Counters to reset all counters to zero 4 24 v1 0 October 2007 Configuring the Switch Smart Switch Software User Manual GS748T Port Statistics Port Statistics Port Selection Port Statistics ee Bytes D Bytes D UnicastPkts 0 UnicastPkts 0 CarrierSenseErrors 0 DropPkts D MulticastPkts 0 MulticastPkts 0 PausePkts 0 PausePkts 0 BroadcastPkts D BroadcastPkts 0 FrameInDisc 0 ExcessSizeDisc 0 DeferredTransmit 0 UnderSizePkts o Collision 0 OverSizePkts 0 ExcessiveCollision 0 Jabbers 0 Fragments 0 FCSErrors D 64 BytePkts D 65 to 127 BytePkts D 128 to 255 BytePkts D 256 to 511 BytePkts 0 12 to 1023 BytePkts D 1024 to 1518 BytePkts D Summary Statistics a KEEN E EENEG Packets Pack
2. Figure 4 11 3 Inthe VLAN ID field specify a VLAN ID from 1 to 4094 This field is available only when the 802 1Q VLAN type is selected If you have not previously created a VLAN this window shows VLAN ID 1 default with all ports set Untagged 4 Inthe VLAN Name field assign a name to help you to identify this VLAN 5 Click Add Use the VLAN Membership table to manage each port s VLAN membership for transmitting packets These settings determine if packets transmitted from each port are tagged with the VLAN ID and other information By default every port is a member of VLAN 1 which has a port VLAN ID PVID of 1 To modify 802 1Q VLAN membership 1 Select Switching gt VLAN gt VLAN Membership from the main menu The VLAN Membership screen will display 2 Inthe VLAN Identifier list select the VLAN that you want to modify The possible operations are e Untag All Add all the ports to this VLAN and remove tag on all egress packets 4 8 Configuring the Switch v1 0 October 2007 Smart Switch Software User Manual GS748T e Tag All Add all the ports to this VLAN and tag all egress packets e Remove All Remove all the ports from this VLAN Click the Unit link to display all available ports Toggle the check box for each port to change its membership and tag setting e An empty check box indicates that the port is not a member of this VLAN e T indicates that the egress packet is tagged e U indic
3. Figure 2 4 To modify your NIC settings you need Windows Administrator privilege to change these settings 1 On your PC access the MS Windows operating system TCP IP Properties page as shown In MS Windows XP this is found in Control Panel gt Network Connections gt Local Area Connection gt General Properties 2 Select Internet Protocol TCP IP and click on Properties Set the appropriate IP address and subnet mask The subnet mask value should be identical to that set in the switch The PC IP address must be different from that of the switch but lie in the same subnet 4 Click Web Access The Login screen will display Enter the default password password Then click Login to proceed to management of the switch covered in Chapter 3 Basic Web Management 2 4 Using the Smartwizard Discovery Utility v1 0 October 2007 Smart Switch Software User Manual GS748T GS748T 48 Port Gigabit Smart Switch Figure 2 5 Smartwizard Utilities Alternatively from the Smartwizard main page of Figure 2 1 you can access the following features e Password Change e Firmware Upgrade Password Change You can set a new password of up to 20 ASCII characters 1 On the Smartwizard Utility screen click Password Change The Password Change screen appears You can set a new password In this process you are required to enter the old password and to confirm the new one 2 Click Set to enable the new passwo
4. Link Port Duplex Flow Default Interf Port D ti iM TANA a CE ETD Status Speed Mode Control Priority on LR DES Wa E de Erang x eree ER o Oe Down Auto Enable 0 B Down Auto Full Enable 0 E o Down Auto Full Enable o TT g4 Down Auto Full Enable 0 O o Down Auto Ful Enable 0 O g Down Auto Full Enable H o Down Auto Ful Enable 0 Cl op Down Auto Full Enable o g9 Down Auto Ful Enable 0 TT gio Down Auto Full Enable 0 os Down Auto Full Enable 0 Figure 4 8 Configuring the Link Aggregation Group LAG Link Aggregation Groups otherwise known as Port Trunking enables multiple links between switches to work as one virtual link aggregate link to provide greater bandwidth than would be available by confining the traffic to a single port LAGs can be defined for similar port types only For example a 10 100 port cannot form a LAG with a gigabit port Up to 10 LAGs can be operating at the same time The LAG table displays the status and administration settings for all the available LAGs also known as trunks The GS748T Smart Switch supports 10 static LAGs To enable or disable a LAG 1 Select Switching gt LAG gt LAG Configuration from the main menu The LAG Configuration screen will display 2 Select the row of the LAG ID you want to enable or disable 3 From the Admin Mode pull down menu select Enable or Disable Configuring the Switch 4 3 v1 0 October 2007
5. Click Start Upgrade to begin loading the upgrade The system software is automatically loaded to all stacking members When the process is complete the switch automatically reboots 2 6 Using the Smartwizard Discovery Utility v1 0 October 2007 Smart Switch Software User Manual GS748T Exit Click Exit from the Switch Setting section to close the Smartwizard Discovery Utility program Using the Smartwizard Discovery Utility 2 7 v1 0 October 2007 Smart Switch Software User Manual GS748T 2 8 Using the Smartwizard Discovery Utility v1 0 October 2007 Chapter 3 Basic Web Management This section contains information for performing basic configuration using your web browser It also describes how to backup your configuration and how to reboot or reset your router if necessary The section includes this information under the following headings e Accessing the Switch Management Home Screen e Changing Your Password e Saving and Restoring Your Configuration e Performing a Factory Reset or a Device Reboot Your NETGEAR Smart Switch series provides a built in browser interface that enables you to configure and manage it remotely using a standard Web browser such as Microsoft Internet Explorer or Netscape Navigator This interface also allows for system monitoring of the switch The help page covers many of the basic functions and features of the switch and its web interface Web Management requ
6. 2007 Smart Switch Software User Manual GS748T Cancel Cancels changes made to that screen NETGEAR GS748T 48 Port Gigabit Smart Switch ect with Innovation System Switching QoS Security Monitoring Maintenance Help Locourt SNMP System System Information Information gt IP Configuration Switch Status d Product Name D d Firmware Version V3 0 1_06 System Name System Location Idle Timeout 30 3 to 30 minutes DHCP Enabled IP address 10 1 31 39 Subnet mask 255 255 255 0 Default gateway 10 1 31 13 MAC address 00 18 4D E9 A2 E6 System UpTime 0 days 0 hours 1 mins 4 seconds Figure 3 2 System Information Settings The main screen System gt Management gt System Information shows the condition of the functions available in the switch Click Refresh at the bottom of the pane to display updated status information This information is described briefly as follows Product Name The name of the switch Firmware Version The version of the firmware currently installed on the switch System Name User supplied value the same as sysName in MIB 2 System Location User supplied value the same as the sysLocation in MIB 2 Idle Timeout 3 to 30 minutes The default is 5 minutes DHCP Shows whether it was enabled IP Address The IP Address assigned to the switch Subnet Mask The subnet of the switch Default Gateway The switch gateway address MAC address The MAC address of the switch
7. 64 Disabled Filter Multicast Control 1 Disabled Table A 9 Management Feature Sets Supported Default SNMPv1 V2c 4 Disabled MIB Support 1 Disabled Specifications and Default Values A 3 v1 0 October 2007 Smart Switch Software User Manual GS748T Table A 9 Management Feature Sets Supported Default Smartwizard N A Enabled Statistics 48 per port N A A 4 Specifications and Default Values v1 0 October 2007 Appendix B Virtual Local Area Networks VLANs A Local Area Network LAN can generally be defined as a broadcast domain Hubs bridges or switches in the same physical segment or segments connect all end node devices End nodes can communicate with each other without the need for a router Routers connect LANs together routing the traffic to the appropriate port A virtual LAN VLAN is a local area network with a definition that maps workstations on some other basis than geographic location for example by department type of user or primary application To communicate between VLANs traffic must go through a router just as if they were on two separate LANs A VLAN is a group of PCs servers and other network resources that behave as if they were connected to a single network segment even though they may not be For example all marketing personnel may be spread throughout a building Yet if they are all assigned to a single VLAN they can share resources and bandwidth as if they were
8. MDI PORT as on a PC B Normal or MDI X port as on a hub or switch 1 2 3 6 Pin numbers Figure C 1 Figure C 2 illustrates crossover twisted pair cable Key B Normal or MDI X port as on a hub or switch 1 2 3 6 Pin numbers Figure C 2 Patch Panels and Cables If you are using patch panels make sure that they meet the 1OOBASE TX requirements Use Category 5 UTP cable for all patch cables and work area cables to ensure that your UTP patch cable rating meets or exceeds the distribution cable rating To wire patch panels you need two Category 5 UTP cables with an RJ 45 plug at each end as shown in Figure C 3 Network Cabling C 3 v1 0 October 2007 Smart Switch Software User Manual GS748T Key 525 1 1 RJ 45 plug 2 Category 5 UTP patch cable Figure C 3 Note Flat silver satin telephone cable may have the same RJ 45 plug However using EH telephone cable results in excessive collisions causing the attached port to be partitioned or disconnected from the network Using 1000BASE T Gigabit Ethernet over Category 5 Cable When using the new 1O00BASE T standard the limitations of cable installations and the steps necessary to ensure optimum performance must be considered The most important components in your cabling system are patch panel connections twists of the pairs at connector transition points the jacket around the twisted pair cable bundling of multiple pairs
9. Smart Switch Software User Manual GS748T 3 Click Apply Switching QoS Security Monitoring Maintenance Help Ports LAG LAr STP Multicast Switch Configuration gt LAN Port P VID Configuration Configuration gt VLAN Membership P ID Configuration Port PVID GOTOINTERFACE so owen O ES WW E o 1 RRE 1 ia Sa Cl o 1 C o 1 Figure 4 13 Configuring Port Based VLANs Unlike 802 1Q based VLAN an ingress packet with an 802 1Q tag is ignored and preserved To modify port based VLAN membership 1 Select Switching gt VLAN gt VLAN Configuration from the main menu The VLAN Configuration screen will display Switching QoS Security Monitoring Maintenance Help Ports LAG L STP Multicast Switch Configuration X VLAN VLAN Configuration Configuration e e LAN Membership VLAN Type Configuration VLAN Type IEEE 802 19 Port Based VLAN Configuration REGER LAFEN WM Fl i VLANL Figure 4 14 Ensure that the Port Based radio box has been enabled for VLAN Type In the VLAN Name field assign a name to help you to identify this VLAN Click Add 4 10 Configuring the Switch v1 0 October 2007 Smart Switch Software User Manual GS748T To modify a Port Based VLAN membership 1 Select VLAN Membership The VLAN Membership screen will display all port based VLAN members 2 From the VLAN Identifier pull down menu select the VLAN that you want to modify You
10. VLAN ID setting for each port can be changed in the PVID Setting page e When a tagged packet enters a port the tag for that packet is unaffected by the default VLAN ID Setting The packet proceeds to the VLAN specified by its VLAN ID VID tag number e Ifthe port in which the packet entered does not have membership with the VLAN specified by the VLAN ID tag the packet is dropped e If the port is a member of the VLAN specified by the packet s VLAN ID the packet is able to be sent to other ports with the same VLAN ID e Packets leaving the switch are either tagged or untagged depending on the setting for that port s VLAN membership properties A U for a given port means that packets leaving the switch from that port are Untagged Inversely a T for a given port means that packets leaving the switch from that port are tagged with the VLAN ID associated with the port The example given in this section comprises numerous steps to illustrate a wide range of configurations to help provide an understanding of tagged VLANs 802 1Q Example This example demonstrates several scenarios of VLAN use and describes how the switch handles Tagged and Untagged traffic 1 Setup the following VLANs VLAN 10 20 2 Configure the VLAN membership Be sure to set all of them as follows e Setting up first VLAN group VLAN ID 10 e Setting up second VLAN group VLAN ID 20 3 Modify PVID Setting to apply previous two VLAN groups Modi
11. can also click the Unit link to display all available ports 3 Select or clear the check box for the port for the VLAN 4 Click Apply To delete a VLAN Select the VLAN you want to remove and click Delete all port associations are separated from the VLAN and it is removed Selecting a Management VLAN The Management VLAN allows you to establish an IP connection to the switch from a PC connected to a port in that VLAN This increases security by allowing only PCs in the management VLAN to configure the switch Any VLAN can be designated as the management VLAN To configure the management VLAN 1 Select System gt Management gt IP Configuration The IP Configuration screen will display 2 Inthe Management VLAN ID field enter the ID of the VLAN that you want to use for managing the switch A zero value means that any PC in any of the VLANs can establish an IP connection to the switch 3 Click Apply to save your settings Enabling Spanning Tree Protocol To achieve reliability in a network some path redundancy must be provided However multiple paths between network nodes can cause loops to exist and result in switching confusion and duplication of traffic Spanning Tree Protocol defined by IEE 802 1D controls the duplicate paths by accounting for statistical weights in the available paths It blocks the least efficient alternate paths and causes traffic only to be carried over the optimal paths between nodes The GS748T
12. is not necessary to understand and use all of its capabilities Once basic configuration is performed it will function in a network using its remaining factory default parameters However a greater level of configuration anywhere from the basic up to the maximum possible will give your network more advantage of its features The web interface simplifies this configuration at all levels How to Use This Book This document describes configuration commands for the GS748T switch software The commands can all be accessed from the Web interface e Chapter 1 Switch Management Overview describes what you can expect from Web management and gives host system requirements e Chapter 2 Using the Smartwizard Discovery Utility describes how to use the Smartwizard Discovery utility to set up your switch so that you can communicate with it e Chapter 4 Configuring the Switch describes the features that your switch offers and tells you how to configure and activate them in your network e Appendix A Specifications and Default Values gives GS748T switch specifications and lists default feature values e Appendix B Virtual Local Area Networks VLANs describes some concepts of VLANs v1 0 October 2007 Smart Switch Software User Manual GS748T e Appendix C Network Cabling gives cabling requirements and describes some details of port cabling connections san Note Refer to the product release n
13. may result in personal injury or death e Scope This manual is written for the GS748T switch according to these specifications Product Version GS748T Smart Switch Manual Publication Date October 2007 For more information about network Internet firewall and VPN technologies use the link to the NETGEAR shown below Note Product updates are available from the NETGEAR Inc website at http www netgear com support GS748T asp HTML Manual Navigation If an HTML version of this manual is provided it includes the following e Buttons gt and lt for browsing forwards or backwards through the manual one page at a time es A button that displays the table of contents and an button Double click on a link in the table of contents or index to navigate directly to where the topic is described in the manual A button to access the full NETGEAR Inc online knowledge base for the product model e Links to PDF versions of the full manual and individual chapters About This Manual xi v1 0 October 2007 Smart Switch Software User Manual GS748T How to Print this Manual To print this manual you can choose one of the following options according to your needs e Printing a Page from HTML Each page in the HTML version of the manual is dedicated to a major topic Select File gt Print from the browser menu to print the page conte
14. on horizontal runs and punch down blocks All of these factors affect the performance of 1OOOBASE T technology if not correctly implemented The following sections are designed to act as a guide to correct cabling for 1000BASE T Cabling The 1000BASE T product is designed to operate over Category 5 cabling To further enhance the operation the cabling standards have been amended The latest standard is Category 5e which defines a higher level of link performance than is available with Category 5 cable If installing new cable we recommend using Category 5e cable since it costs about the same as Category 5 cable If using the existing cable be sure to have the cable plant tested by a professional who can verify that it meets or exceeds either ANSI EIA TIA 568 A 1995 or ISO IEC 11801 1995 Category 5 specifications C 4 Network Cabling v1 0 October 2007 Smart Switch Software User Manual GS748T Length The maximum distance limitation between two pieces of equipment is 100 m as per the original Ethernet specification The end to end link is called the channel TSB 67 defines the Basic Link which is the portion of the link that is part of the building infrastructure This excludes patch and equipment cords The maximum basic link length is 295 feet 90 m Return Loss Return loss measures the amount of reflected signal energy resulting from impedance changes in the cabling link The nature of 1OOOBASE T renders th
15. the wire pair is allowed at any termination point Network Cabling C 1 v1 0 October 2007 Smart Switch Software User Manual GS748T Category 5 Cable Specifications Ensure that the fiber cable is crossed over to guarantee link Table C 1 lists the electrical requirements of Category 5 UTP cable Table C 1 Electrical Requirements of Category 5 Cable Specifications Category 5 Cable Requirements Number of pairs Four Impedance 100 15 Mutual capacitance at 1 KHz 5 6 nF per 100 m Maximum attenuation at 4 MHz 8 2 dB per 100 m at 20 C at 31 MHz 11 7 at 100 MHz 22 0 NEXT loss dB minimum at 16 MHz 44 at 31 MHz 39 at 100 MHz 32 Twisted Pair Cables For two devices to communicate the transmitter of each device must be connected to the receiver of the other device The crossover function is usually implemented internally as part of the circuitry in the device Computers and workstation adapter cards are usually media dependent interface ports called MDI or uplink ports Most repeaters and switch ports are configured as media dependent interfaces with built in crossover ports called MDI X or normal ports Auto Uplink technology automatically senses which connection MDI or MDI X is needed and makes the right connection Figure C 1 illustrates straight through twisted pair cable C 2 Network Cabling v1 0 October 2007 Smart Switch Software User Manual GS748T Key A UPLINK OR
16. to the four hardware traffic queues To map 802 1p priorities to queues 1 Select QoS gt Advanced gt 802 1p Queue Mapping The 802 1p to Queue Mapping screen will display System Switching QoS Securit Monitorin Maintenance Hel yY g P gt Basic 802 1p to Queue Mapping y Advanced 8021p to Queue 802 1p to Queue Mapping 802 1 802 1 802 1 802 1 See leie i SCH Tez om DSCP Priority Priority riority Priority Priority Mapping D Lowest i Lowest wi 2 Low i Normal zi 5 mal ze 6 High Ss F High H Figure 4 20 4 18 Configuring the Switch v1 0 October 2007 Smart Switch Software User Manual GS748T 2 From each 802 1p priority value pull down menu select one of the four hardware priority queues 3 Click Apply Differentiated Services Code Point DSCP based QoS The DSCP 6 bit field in an IP packet header enables levels of service to be assigned to network traffic according to the field s binary value This 6 bit field comprises three IP Precedence MSBs with a least significant 3 bit expansion field as defined in RFC 2474 The IP Precedence bits in the DSCP field are compatible with routers that only support IP Precedence DSCPs specifically tailored to be backward compatible with routers that only support IP precedence lack the 3 bit expansion field and are called Class selector DSCPs The DSCP to Priority Mapping table contains fields for mapping DSCP values to the eigh
17. utility displays a login window similar to the following GS748T 48 Port Gigabit Smart Switch Login Password eecccees Figure 2 2 8 Enter the default password which is password Then use your web browser to manage your switch Network without DHCP Server This section describes how to set up your switch in a network without a DHCP server and is divided into the following tasks e Manually assigning network parameters for your switch e Configuring the Network Interface Card NIC settings on the host PC e Logging into the web based switch management utility 2 2 Using the Smartwizard Discovery Utility v1 0 October 2007 Smart Switch Software User Manual GS748T Manually Assigning Network Parameters If your network has no DHCP service you must assign a static IP address to your switch If you choose you can assign a static IP address to the switch even if your network has DHCP service To manually assign a static IP address to your switch 1 Connect the GS748T Smart Switch to your existing network Power on the switch by plugging in the power cord Default IP is 192 168 0 239 2 3 Install the Smartwizard Discovery Utility program on your computer 4 Start the Smartwizard Discovery utility 5 Click Discover for the Smartwizard Discovery Utility to find your GS748T Smart Switch You should see a screen similar to that shown in Figure 2 1 on page 2 1 6 Click on Configuration Setting A screen
18. LAN STP Multicast Switch Configuration gt LAG Configuration LAG Membership LAG Membership j ge LAG Membership l 06 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 MUMUEMUM MMMM 30 3 35 36 37 38 39 40 41 42 43 44 45 46 47 48 v v v Figure 4 10 gt Note The selected LAG ID port must correspond to VLAN group IDs Setting Up SNMP SNMP Simple Network Management Protocol is a transport protocol used for network management The protocol is used in communication between a Manager the management station and an agent within the managed device in this case your switch The Manager polls the agent which responds by returning data from the Management Information Bases MIBs that it maintains on the managed device to indicate its status An agent can return Traps to the Manager Traps are messages that alert the manager to conditions that may need attention Managers and Agents work within Communities which are defined to confine messaging within named groups An agent only responds to requests from Managers within its community The SNMP screen allows you to limit the IP addresses from which the switch MIBs can be accessed and to which IPs the switch sends SNMP traps The switch only responds to requests from management computers whose IP addresses are carried in the list This list also holds Privilege information that controls which IPs have read only or read write access You can also sele
19. Smart Switch Software User Manual GS748T NETGEAR NETGEAR Inc 4500 Great America Parkway Santa Clara CA 95054 USA 202 10331 01 October 2007 2007 by NETGEAR Inc All rights reserved Trademarks NETGEAR the NETGEAR logo and Auto Uplink are trademarks or registered trademarks of NETGEAR Inc Microsoft Windows and Windows NT are registered trademarks of Microsoft Corporation Other brand and product names are registered trademarks or trademarks of their respective holders Portions of this document are copyright Intoto Inc October 2007 Statement of Conditions In the interest of improving internal design operational function and or reliability NETGEAR reserves the right to make changes to the products described in this document without notice NETGEAR does not assume any liability that may occur due to the use or application of the product s or circuit layout s described herein Certificate of the Manufacturer Importer It is hereby certified that the GS748T Smart Switch has been suppressed in accordance with the conditions set out in the BMPT AmtsblVfg 243 1991 and Vie 46 1992 The operation of some equipment for example test transmitters in accordance with the regulations may however be subject to certain restrictions Please refer to the notes in the operating instructions The Federal Office for Telecommunications Approvals has been notified of the placing of this equipment on the market and has be
20. Smart Switch Software User Manual GS748T 4 Click Apply System Switching QoS Security Monitoring Maintenance Help Ports LAG VLAN STP Multicast Switch Configuration LAG Configuration LAG Configuration gt LAG Membership weg LAG Configuration LAG ID Admin Mode LAG State li 01 Disable Down o 03 Disable Down C 04 Disable Down O os Disable Down Oo 06 Disable Down o 07 Disable Down O 08 Disable Down o 09 Disable Down a 10 Disable Down Figure 4 9 The LAG Membership table displays the port members in each LAG You can also specify port members for LAGs When specifying LAGs the following policies apply e Each port can belong to only one LAG e Each LAG can have up to 8 ports e Ports ina LAG must have the same speed and be in the same VLAN group To configure port membership of a LAG 1 Select Switching gt LAG gt LAG Membership The LAG Membership screen will display 2 From the LAG ID pull down menu select the LAG that you want to modify 3 Click the Unit link next to the check box to display all available ports All ports are selected if the Unit checkbox is selected If not selected no ports are selected 4 Select or clear the check box for the ports you want to include or remove 5 Click Apply 4 4 Configuring the Switch v1 0 October 2007 Smart Switch Software User Manual GS748T Switching Security Monitoring Maintenance Help Ports LA V
21. Switch Business English 202 10331 01 1 0 v1 0 October 2007 v1 0 October 2007 Contents Smart Switch Software User Manual GS748T About This Manual Who Should Se TS BOOR ait se iGiarteata car ccasudars aitiee eum Tea dan bunkuads Git adie a i ix How TO Use TRIS BOOK ition aai daeancsenosoetacnanneiedasscdonurges seamen ix Conventions Formats and SCONE si icsssinsssssrnasesriaasiaserniaieel insane x RATNE Manual Neng ze AE ee xi How to Prini TOMS Mangal seeiis aa cade Eeer xii PO O iE dec anal hace cxsanin laa deatinsaediatin iy dl xii Chapter 1 Switch Management Overview Switeh Management IWISHAGE sn iresgeniio inanon aoaia iiai 1 1 Set JEE teen 1 2 Chapter 2 Using the Smartwizard Discovery Utility Network with DACP Seer iiucntmirunion ne siniiemniinnimiiseniiiensmoliineea 2 1 Network without le 2 2 Manually Assigning Network Parameters cccccscccceeesereeeeeeseneeeseeeseneeeeeeeneneees 2 3 Gonigunna Your NG SomgS sianie a a arena erga ege 2 4 S AE E E E A A E E E E T 2 5 Password Change esse ssaceeciccccstad seca dessecesaarnceeadacedaniepencccnencd iaxetamedusonaanaedsdbedaanaeaananaere 2 5 SIT 2 5 EE 2 7 Chapter 3 Basic Web Management Accessing the Switch Management Home Screen c cccccceeeeneeeeeteeeeeeeeeceeeeeteeaeeeee 3 2 System MULES UAE ALLE Ld e E 3 3 IF COANN EE 3 4 OMNI Your EE 3 4 Contents v v1 0 October 2007 Managing Your System Coniguration siiccciisiscncaienicccis
22. System Up Time Indicates how long the switch has been active Basic Web Management 3 3 v1 0 October 2007 Smart Switch Software User Manual GS748T IP Configuration 1 Select the System gt Management gt IP Configuration screen shown below to set your IP Configuration Switching QoS Security Monitoring Maintenance Help tocour gt System IP Configuration Information IP Configuration IP Configuration e Get Dynamic IP from DHCP Server Static IP Address IP address Subnet mask Gateway Management VLAN e 1 4094 or 0 0 Management LAN ID D means all VLANs ANCEL APPLY Figure 3 3 2 Select the Get Dynamic IP from DHCP Server radio box to enable the DHCP Server or select the Static IP Address to set up a static IP address for the switch Enter the following fields for a Static IP address e IP Address Enter a static IP address for you switch make a note of this address for accessing your switch without using the Smartwizard Discovery utility e Subnet Mask Enter the subnet mask make sure that all devices are on the same subnet e Gateway Enter the gateway address for the switch Changing Your Password It is good practice to secure your system and change the default password For optimum security your password should be more than 8 characters long and should be a combination of numbers and letters names and simple words can be easy to guess If you forget your pa
23. The maximum number of trusted MAC addresses is 256 per system All source MACs are trusted when the Trusted MAC list is empty If the list includes MAC addresses any incoming traffic with a source MAC address that is not included in the trusted MAC table is dropped If the VLAN mode for the switch is set up as Port based you enter a MAC address and port number that you want to permit access this switch If the VLAN is set up in 802 1Q mode you enter a MAC address and VLAN ID to permit access To add a trusted MAC address 1 Select Security gt Access gt Trusted MAC The Trusted MAC screen will display 4 22 Configuring the Switch v1 0 October 2007 Smart Switch Software User Manual GS748T 2 Specify the trusted MAC address parameters in the configuration row e Interface From the Interface pull down menu select the interface or port that you want to have this feature e MAC Address Specify the trusted source MAC address e VLAN ID Enter a VLAN ID that the interface belongs to if the 802 1Q VLAN mode is enabled 3 Click Add To delete a trusted MAC address 1 Select the checkbox adjacent to the trusted MAC entry that you want to delete from the list 2 Click Apply Setting up Mirroring or Sniffer Ports Port Mirroring allows you to configure traffic from any number of ports to be copied mirrored to your selected sniffer port which may be any port that is not a source port This traffic may be
24. age traffic in a network by treating different types of traffic with different levels of priority Higher priority traffic receives preferential treatment during times of switch congestion 1 Egress rate limiting is available only with v3 hardware Configuring the Switch 4 17 v1 0 October 2007 Smart Switch Software User Manual GS748T Two possible system mode implementations of QoS are supported e IEEE 802 1p based QoS e DSCP based Differentiated Services Code Point QoS To specify the QoS Global system mode 1 Select QoS gt Basic gt QoS Global Configuration from the main menu The QoS Global Configuration screen will display 2 Select either the 802 1p Based radio box or the DSCP Based radio box 3 Click Apply IEEE 802 1p Based QoS IEEE 802 1p based QoS enables the user to map each of the eight priority levels specified in IEEE 802 1p p0 to p7 to one of four internal hardware priority queues High Normal Low and Lowest The eight priority levels specified in IEEE 802 1p p0 to p7 are implemented by a three bit priority field in the VLAN tag The switch empties the four hardware priority queues in order from High to Lowest Packets are transferred to empty the buffers of each higher hardware priority queue in turn before the next lower hardware priority queue can begin to transfer its received packets through the switch The 802 1p to Queue Mapping table contains fields for mapping 802 1p priority values
25. anged This option is the default and signifies that the port is not associated with a VLAN Every port is a member of VLAN ID 1 by default You can change the default assignment of any port adjusting the Primary VLAN ID Setting PVID table Use this feature to ensure that untagged frames reach the VLAN that you require Port based VLAN This implementation confines VLAN members to the ports on the particular switch for example the VLANs cannot span multiple switches VLAN port membership is determined via a lookup table that you set up when you configure the switch You can create up to 48 port based VLANS Every port belongs to VLAN ID 1 by default Configuring the Switch 4 7 v1 0 October 2007 Smart Switch Software User Manual GS748T Adding and Configuring IEEE 802 1Q VLAN Groups Depending on the VLAN type selected in the VLAN Type Configuration table you can create 256 IEEE 802 1Q based VLANs or 48 port based VLANs To create a VLAN 1 Select Switching gt VLAN gt VLAN Configuration from the main menu The VLAN Configuration screen will display 2 Select the IEEE 802 1Q radio box and click Apply Switchin Securit Monitorin Maintenance Hel 9 y g P STP Multicast Switch Configuration a VLAN VLAN Configuration Configuration gt LAN Membership VLAN Type Configuration i gt Port P ID WLAN Type IEEE 802 19 O Port Based Configuration VLAN Configuration LAN ID LAN Name
26. ates that the egress packet is untagged Click Apply Switching Security Ports LAG LAt STP Multicast Switch Configuration Monitoring Maintenance Help gt VLAN VLAN Membership Configuration n VLAN Membership VLAN Membership Ka gt Port P ID VLAN Identifier configuration POA o a Port 01 02 3 4 5 ei Ek 06 07 08 09 10 12 13 14 15 16 18 19 20 21 22 23 24 UU UH HHH HHH HHH HUH UU HU UU JU Port 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 UU UU UU UU UU UU uo a UUHU UU U Figure 4 12 Note Every port has an initial default VID of 1 PVID 1 Whether a port has this VID or has been made a member of another default VID you cannot remove any port from its prior default VLAN until you have reassigned its PVID to its new value Use the PVID Setting menu option of VLAN Management to change its PVID before attempting to remove it from its prior default membership The PVID Configuration table contains parameters for assigning Port VLAN ID PVID values to interfaces All ports must have a defined PVID If no other value is specified the default VLAN PVID is used If you want to change the port s default PVID you must first create a VLAN group that includes the port To modify a PVID 1 Select the interface or port that you want to modify 2 Inthe PVID field enter a valid VLAN ID Configuring the Switch 4 9 v1 0 October 2007
27. connected to the same segment The resources of other departments can be invisible to the marketing VLAN members accessible to all or accessible only to specified individuals depending on how the IT manager has set up the VLANs The Advantages of VLANs e Easy to do network segmentation Users that communicate most frequently with each other can be grouped into common VLANs regardless of physical location Each group s traffic is largely contained within the VLAN reducing extraneous traffic and improving the efficiency of the whole network e Easy to manage The addition of nodes as well as moves and other changes can be dealt with quickly and conveniently from a management interface rather than from the wiring closet e Increased performance VLANs free up bandwidth by limiting node to node and broadcast traffic throughout the network e Enhanced network security VLANs create virtual boundaries that can only be crossed through a router So standard router based security measures can be used to restrict access to each VLAN Virtual Local Area Networks VLANs B 1 v1 0 October 2007 Smart Switch Software User Manual GS748T IEEE 802 1Q VLANs Packets received by the switch are treated in the following way e When an untagged packet enters a port it is automatically tagged with the port s default VLAN ID tag number Each port has a default VLAN ID setting that is user configurable the default setting is 1 The default
28. counting department traffic can be separated from one another VLAN memberships are manipulated by associating switch ports with VLAN IDs VIDs You can choose from two types of VLAN to set up on the switch IEEE 802 1Q VLAN Tagged VLAN or Port based VLAN You cannot mix the types on the same switch In either case any port can be a member of multiple VLANs IEEE 802 1Q VLAN The VLAN tagging option is a standard set by the IEEE to facilitate the spanning of VLANs across multiple switches Reference Appendix A and IEEE Std 802 1Q 1998 Virtual Bridged Local Area Networks This switch supports the creation of 256 Static Tag VLAN groups This implementation separates traffic by adding a VLAN tag into the appropriate egress frames packets from selected switch ports A receiving switch associates the tagged frame with the VLAN and forwards it according to its own VLAN to port lookup table to all ports on the VLAN except the ingress port In this way a VLAN structure may be built across a tree of switches You have the option of setting egress frames to be e Tagged This setting adds an 802 1Q tag into the frame leaving the selected port e Untagged This option strips the 802 1Q tags from frame leaving the selected port The port retains its association with the VLAN This facility is used when these ports are connected to downstream equipment that does not recognize and which consequently may be confused by 802 1Q tags e Unch
29. ct the traps which the switch sends to the hosts from the following trap events The Status field must be set to Enable to allow management host communication Trap Events are indicated by e T1 Authentication fail The switch generates an SNMP trap when a host tries to gain access to the switch but the host s IP is not in the SNMP host table e T2 Device bootup The switch generates an SNMP trap when it reboots Configuring the Switch 4 5 v1 0 October 2007 Smart Switch Software User Manual GS748T e T3 Link Up Down The switch generates an SNMP trap when one of its ports changes its link status You can specify the SNMP management station that can access the MIB of the switch and to which the switch will send the trap When adding a management station be aware that e You can specify up to four management station IP addresses e The switch will respond only to requests from a computer or management station with an IP address that is in the list e You can also select the traps that the switch will send to the hosts when the trap events you specify occur To add a management station 1 Select System gt SNMP The SNMP V1 V2 screen will display 2 In the Management Station field enter the IP address of the management station 3 In the Community String field specify the community string The switch processes requests from the management station only if the community string in the request packet matches the c
30. e Navigator 6 0 or later or equivalent 1 2 Switch Management Overview v1 0 October 2007 Chapter 2 Using the Smartwizard Discovery Utility This section leads you through the steps necessary to begin managing your GS748T Smart Switch It covers how to install in a network that contains a DHCP server and one without DHCP Network with DHCP server To install the switch in a network with a DHCP server proceed as follows 1 Connect the GS748T switch to a DHCP network Power on the switch by connecting its power cord 2 3 Install the Smartwizard Discovery Utility program on your computer 4 Start the Smartwizard Discovery utility 5 Click Discover for the Smartwizard Discovery to find your GS748T Smart Switch You should see a screen similar to that shown below MAC Address IP Address Protocol Ver Product Name I System Name I Location DHC 00 00 55 34 4 172 24 4 40 2 001 002 GS748T GS748Tv2 SF Lab Ena gt EEN Device Setting Configuration Setting Password Change Web Access Firmware Upgrade Exit Figure 2 1 2 1 v1 0 October 2007 Smart Switch Software User Manual GS748T 6 Make a note of the displayed IP address assigned by the DHCP server You will need this value to access the switch directly from a web browser without using Smartwizard Discovery 7 Select your switch by clicking on the line that displays the switch address Then click Web Access The discovery
31. ement Methods Management Method Features Smartwizard Discovery Utility No IP address or subnet mask setup needed program Discover all switches on the network User friendly interface under Microsoft Windows Firmware upgrade capability Password change feature Provides entry to web configuration of switch Web browser Password protection Ideal for configuring the switch remotely Compatible with Internet Explorer and Netscape Navigator on any platform Extensive switch configuration possible Configuration backup and restore For a more detailed discussion of the Smartwizard Discovery Utility Program see For a detailed discussion of the Web Browser Interface see Chapter 3 Basic Web Management System Requirements The following hardware and software facilities are required to run the applications described in this manual Network facilities e Ethernet network with or without DHCP server as appropriate see Chapter 2 Using the Smartwizard Discovery Utility For running the Smartwizard Discovery Utility e IBM type PC with CD drive RAM size and disk specification is not critical e OS software Microsoft Windows Vista Windows XP or Windows 2000 e Ethernet cable Straight or crossover e IBM type PC to run web management GUI RAM and disk requirement is not critical For running local or remote Web Management e Desktop computer running Microsoft Internet Explorer 5 0 or later or Netscap
32. en granted the right to test the series for compliance with the regulations Bestatigung des Herstellers Importeurs Es wird hiermit best tigt daf dasGS748T Smart Switch gem der im BMPT AmtsblVfg 243 1991 und Vie 46 1992 aufgef hrten Bestimmungen entst rt ist Das vorschriftsmafige Betreiben einiger Ger te z B Testsender kann jedoch gewissen Beschr nkungen unterliegen Lesen Sie dazu bitte die Anmerkungen in der Betriebsanleitung Das Bundesamt f r Zulassungen in der Telekommunikation wurde davon unterrichtet da dieses Ger t auf den Markt gebracht wurde und es ist berechtigt die Serie auf die Erf llung der Vorschriften hin zu berpr fen Voluntary Control Council for Interference VCCI Statement This equipment is in the Class B category information equipment to be used in a residential area or an adjacent area thereto and conforms to the standards set by the Voluntary Control Council for Interference by Data Processing Equipment and Electronic Office Machines aimed at preventing radio interference in such residential areas When used near a radio or TV receiver it may become the cause of radio interference Read instructions for correct handling v1 0 October 2007 Product and Publication Details Model Number Publication Date Product Family Product Name Home or Business Product Language Publication Part Number Publication Version Number GS748T October 2007 Smart Switch Series GS748T Smart
33. ernet Cable Guidelines Fast Ethernet uses UTP cable as specified in the IEEE 802 3u standard for 1OOBASE TX The specification requires Category 5 UTP cable consisting of either two pair or four pair twisted insulated copper conductors bound in a single plastic sheath Category 5 cable is certified up to 100 MHz bandwidth 1OOBASE TX operation uses one pair of wires for transmission and the other pair for receiving and for collision detection When installing Category 5 UTP cabling use the following guidelines to ensure that your cables perform to the following specifications e Certification Ensure that your Category 5 UTP cable has completed the Underwriters Laboratories UL or Electronic Testing Laboratories ETL certification process e Termination method To minimize cross talk noise maintain the twist ratio of the cable up to the point of termination untwist at any RJ 45 plug or patch panel should not exceed 0 5 inch 1 5 cm Category 5 Cable Category 5 distributed cable that meets ANSI EIA TIA 568 A building wiring standards can be a maximum of 328 feet ft or 100 meters m in length divided as follows 20 ft 6 m between the hub and the patch panel if used 295 ft 90 m from the wiring closet to the wall outlet 10 ft 3 m from the wall outlet to the desktop device The patch panel and other connecting hardware must meet the requirements for 100 Mbps operation Category 5 Only 0 5 inch 1 5 cm of untwist in
34. ets Packets Packets 1 D D D D D D 2 346 D D D D D Figure 4 24 Configuring the Switch 4 25 v1 0 October 2007 Smart Switch Software User Manual GS748T 4 26 Configuring the Switch v1 0 October 2007 Appendix A Specifications and Default Values GS748T Smart Switch Specifications The GS748T Smart Switch conforms to the TCP IP UDP HTTP ICMP TFTP DHCP 802 1D 802 1p and 802 1Q standards Table A 1 GS748T Smart Switch Specifications Feature Value Interfaces 48G P01 P48 Fiber Optic 4 Mini GBIC Combo P45f P48f PoE N A Flash Memory Size 2MB SRAM Size and Type 16MB DDR Table A 2 Switch Performance Feature Value Switching Capacity 48 x 1Gbps Forwarding Method Store and Forward Packet Forwarding Rate 10M 14 880 pps 100M 148 809 pps 1G 1 488 095 pps MAC addresses 8K Packet RAM buffer capacity 512K bytes Specifications and Default Values A 1 v1 0 October 2007 Smart Switch Software User Manual GS748T GS748T Smart Switch Features and Defaults Table A 3 Port Characteristics Feature Sets Supported Default Auto Negotiation 48 per port Auto Negotiation Static Speed Duplex Auto MDI MDIX N A Enabled 802 3x flow control 48 per port Enabled Back Pressure Port Mirroring 1 Disabled Port Trunking Aggrega
35. fferent VLAN groups The default VLAN group is a port based VLAN that has all ports belonging to VLAN 1 Packets received by the switch are treated in the following way When a packet enters a port it can only proceed to ports with the same VLAN membership as that ingress port If a port on the switch does not have a common VLAN membership with the source port the packet is dropped Port based VLAN Example Configuration This example basically demonstrates how the port based VLANs work to meet your needs Setup the following VLANs each with defined descriptions VLAN 1 IT department VLAN 2 Sales department VLAN 3 Marketing department VLAN 4 Accounting department Configure the VLAN membership Be sure to set all of them as follows Setting up second VLAN group Sales VLAN ID 02 with membership of ports 1 8 25 Virtual Local Area Networks VLANs B 3 v1 0 October 2007 Smart Switch Software User Manual GS748T Setting up third VLAN group Marketing VLAN ID 03 with membership of ports 7 14 25 Setting up fourth VLAN group Accounting VLAN ID 04 with membership of ports 19 20 25 Setting up first VLAN group IT VLAN ID 01 with membership of all ports Since VLAN ID 01 has been setup by default you will have to remove the ports that belong to all other VLAN groups except port 25 Ports 7 and 8 are kept for connected file server and printer server use Sales and Marketing departmen
36. fy Default VLAN group VLAN ID 1 to apply two new VLAN groups The specific ports above have the following Port VLAN ID settings e Default VLAN Port 7 Port 26 all U VID 1 e VLAN 1 Port 1 U Port 2 U Port 3 T VID 10 e VLAN 2 Port 4 U Port 5 T Port 6 U VID 20 B 2 Virtual Local Area Networks VLANs v1 0 October 2007 Smart Switch Software User Manual GS748T 4 The following situations produce results as described e Ifan untagged packet enters Port 1 the switch tags it with a VLAN tag value 10 The packet has access to Port 2 and Port 3 The outgoing packet is stripped of its tag to leaves Port 2 as an untagged packet For Port 3 the outgoing packet leaves as a tagged packet with a VLAN tag value of 10 e Ifatagged packet with a VLAN tag value 10 enters Port 3 the packet has access to Port 1 and Port 2 If the packet leaves Port 1 and or Port 2 it is stripped of its tag to leave the switch as an untagged packet e Ifan untagged packet enters Port 4 the switch tags it with a VLAN tag value 20 The packet will have access to Port 5 and Port 6 The outgoing packet is stripped of its tag to become an untagged packet as it leaves Port 6 For Port 5 the outgoing packet leaves as a tagged packet with a VLAN tag value of 20 Port based VLANs Port based VLANs help to confine broadcast traffic to the switch ports This switch allows up to 26 port based VLAN group Any one port can belong to di
37. h Management Home Screen You can access the home screen for the GS748T Smart Switch from any PC with a web browser To start the application 1 Open a web browser 2 Enter the device IP address in the address bar 3 Press Enter The Login page appears as shown below GS748T 48 Port Gigabit Smart Switch LOGIN Figure 3 1 4 Enter the password the factory default is password and click Login The GS748T switch System gt Management home page is displayed as shown below The home page shows the navigation tabs across the top which provide a menu for access to the various configuration functions of the switch Under the navigation tab headings are the secondary tabs which allow you to view change all the components under a specific feature There are secondary functions available under the subtabs on the left navigation pane The main navigation tabs remain displayed as each successive screen is accessed From the main screen click Help to access customer support Within the various browser interface screens there are several buttons that you can use Their names and functions are listed below e Refresh Refreshes the system data to current values on the system e Apply Submits change request to system and refreshes screen data e Add Adds new entries to table information and refreshes screen data e Delete Deletes selected entries from table and refreshes screen data 3 2 Basic Web Management v1 0 October
38. he Return Loss section The cross talk performance is directly related to the quality of the cable installation Network Cabling C 5 v1 0 October 2007 Smart Switch Software User Manual GS748T Patch Cables When installing your equipment replace old patch panel cables that do not meet Category 5e specifications As pointed out in the NEXT section this near end piece of cable is critical for successful operation RJ 45 Plug and RJ 45 Connectors In a Fast Ethernet network it is important that all IOOBASE T certified Category 5 cabling use RJ 45 plugs The RJ 45 plug accepts 4 pair UTP or shielded twisted pair STP 100 ohm cable and connects into the RJ 45 connector The RJ 45 connector is used to connect stations hubs and switches through UTP cable it supports 10 Mbps 100 Mbps or 1000 Mbps data transmission Figure C 4 shows an RJ 45 plug and RJ 45 connection with built in LEDs 8 1 Key 1 to 8 pin numbers Figure C 4 Table C 2 lists the pin assignments for the 10 100 Mbps RJ 45 plug and the RJ 45 connector Table C 2 0 100 Mbps RJ 45 Plug and RJ 45 Connector Pin Assignments Pin Normal Assignment on Ports 1 to 8 Uplink Assignment on Port 8 1 Input Receive Data Output Transmit Data 2 Input Receive Data Output Transmit Data 3 Output Transmit Data Input Receive Data 6 Output Transmit Data Input Receive Data 4 5 7 8 Internal termination not used for data transmissi
39. iasscosunmnisaainannartanwinencaiuene 3 5 Saving and Restoring Your Configuration ccccccescceecseeceeeneeeeeneeeeeaaeeseceeeenaeeeeeas 3 5 Performing a Factory Reset or a Device Reboot c ccisiccisccrmasssicestrsedeicornncccncaanes 3 6 Chapter 4 Configuring the Switch EU e EE 4 1 Configuring the Link Aggregation Group LAG ccccceeeecececeeeeeeeeeeeeeeeeeeeeeeestaeeseenes 4 3 OO MU UP SNEP geed EE EE 4 5 Canhiguring and Creating KE CT 4 7 Adding and Configuring IEEE 802 1Q VLAN Groupe 4 8 CGonigurmg PortBased KAS Gegzesgeg AER SEENEN 4 10 Selecting a Management VLAN e sesitsninnnccotieceesadanininiaen nies 4 11 Enabling Spanning Tree ProtOGOl ceases cxcccendicaccouamansrsapsiuieddadnniouastculinesdonumasmriaiuades 4 11 Establishing Multicast EE cosisonoio E 4 14 AE a E AE E E A E E E 4 14 Multicast Gronp Configuratio eegen eege EE aetna tn ENEE eege ee 4 14 Multicast Group Membership scrissi aana 4 15 PRUNE SI ONS eseridir E eraa aE eene EE 4 16 PO HIG POLO LS a R 4 17 Seiling Q09 GOVA Conran NEE 4 17 IEEE 0021P BEET OQS E 4 18 Differentiated Services Code Point DSCP based QOS ccceeeseeeeeteeeeeteeeeees 4 19 Enabling Sonn R EE 4 20 e ee ihe IP Access Let E 4 22 Controlling Switch Access by MAC Address and VLAN ID 4 22 Setting up Mirroring or Sniffer PONE asissssivisneasinsn nna aai ia 4 23 le RE 4 24 Appendix A Specifications and Default Values GSTABT Smart Zwielef cccceeicscdsamrcanrsinnnd dnceiesat
40. ing Class Selector CS PHB ow o 001010 010010 011010 100010 AF 12 AF 22 reo joke Poa RENG ov D 001100 a 010100 011100 100100 AF 13 ow AF 23 fo re AF 33 o wl AF 43 001110 eme 010110 011110 100110 Expedited Forwarding EF PHB DSCP Priority EF 101110 o Other DSCP Values Local Experimental Use 1 000001 ps 2 000010 E 3 000011 4 000100 jo se 5 000101 6 000110 7 000111 9001001 ov 11 001011 13 001101 15 001111 17 010001 19 010011 21 010101 23 010111 25 011001 27 011011 29 011101 31 011111 33 100001 35 100011 37 100101 39 100111 41 101001 42 101010 43 101011 44 101100 45 101101 47 101111 49 110001 50 110010 w 51 110011 52 110100 53 110101 54 110110 3 55 110111 57 111001 58 111010 59 111011 60 111100 61 111101 62 111110 63 111111 Figure 4 21 Enabling Storm Control The Storm Control feature enables you to prevent network performance from being disrupted by specifying the threshold of ingress broadcast or multicast and broadcast packets on each port The traffic source may be Multicast and Broadcast Broadcast only or Unknown Unicast Multicast or Broadcast or it may be disabled A selected received threshold rate
41. inse aaeei aaraa A 1 GS748T Smart Switch Features and Defaults A A 2 Appendix B Virtual Local Area Networks VLANs ELSE TO Io Coo E B 2 ee EE B 2 vi Contents v1 0 October 2007 PO eeh CG B 3 Port based VLAN Example Configuration cccccccceeeeeeeeneeeeeeeeeseaeeseeeeeeseaeeecaes B 3 VLAN Coniig raton Feit cars sccsvaeconsscsundaacteaedsaesst E ege B 4 Appendix C Network Cabling Fast Ethernet Cable Ci WAG ssrin a a aE aaar aE C 1 e E C 1 Category S Cable Specilicaligne tennis C 2 RSTO Pair CSS eege eege deed EE Ee C 2 CAOIN WEE C 4 Near End Gross TAME RE C 5 SE C 6 Pid Plug EN E C 6 OC TE E C 7 Contents vii v1 0 October 2007 viii Contents v1 0 October 2007 About This Manual The NETGEAR Smart Switch Software User Manual GS74S8T describes how to install configure operate and troubleshoot the GS748T Smart Switch using its included software This book describes the software configuration procedures and explains the options available within those procedures Who Should Use this Book The information in this manual is intended for readers with intermediate to advanced system management skills This document was created primarily for the system administrator who wishes to install and configure the GS748T switch in a network It assumes that the reader has a general understanding of switch platforms and a basic knowledge of Ethernet and networking concepts To install this switch it
42. ires either Microsoft Internet Explorer 5 0 or later or Netscape Navigator 6 0 or later This section describes setting browser interface options and using the home page for the GS748T Smart Switch This interface is essentially similar to that entered as a result of selecting Web Access from the Smartwizard Discovery utility see Chapter 2 Using the Smartwizard Discovery Utility However if you want to access the switch directly without using the Smartwizard Discovery utility you must work from the same network segment that contains the switch the subnet mask values of switch and PC host must be the same and you must point your browser to the switch using the switch IP address If you used the Smartwizard Discovery utility to set up the IP address and subnet mask either with or without a DHCP server use that IP address in your browser window If you are starting with an out of the box switch and are not using the Smartwizard Discovery utility you must first configure your host PC with a static IP address that is on the same network segment as the default parameters of the switch which are e JP address 192 168 0 239 e Subnet Mask 255 255 255 0 From the home page you can change the network parameters to match those of your network by selecting Setup Your host PC network parameters must then also be set back to match your network 3 1 v1 0 October 2007 Smart Switch Software User Manual GS748T Accessing the Switc
43. is measurement very important if too much energy is reflected back on to the receiver the device does not perform optimally Unlike 1OBASE T and 100BASE TX which use only two of the four pairs of wires within the Category 5 1OOOBASE T uses all four pairs of the twisted pair Make sure all wires are tested this is important Factors that affect the return loss are The number of transition points as there is a connection via an RJ 45 to another connector a patch panel or device at each transition point Removing the jacket that surrounds the four pairs of twisted cable It is highly recommended that when RJ 45 connections are made this is minimized to 1 1 4 inch 32 mm Untwisting any pair of the twisted pair cabling It is important that any untwisting be minimized to 3 8 inch 10 mm for RJ 45 connections Cabling or bundling of multiple Category 5 cables This is regulated by ANSI EIA TIA 568A 3 If not correctly implemented this can adversely affect all cabling parameters Near End Cross Talk NEXT This is a measure of the signal coupling from one wire to another within a cable assembly or among cables within a bundle NEXT measures the amount of cross talk disturbance energy that is detected at the near end of the link the end where the transmitter is located NEXT measures the amount of energy that is returned to the sender end The factors that affect NEXT and cross talk are exactly the same as outlined in t
44. k up your system configuration settings to your PC To save the configuration 1 Select Maintenance gt Save Config from the main menu The Save Configuration screen will display 2 Select the All configuration settings will backup to file check box 3 Click Apply A dialog box appears Basic Web Management 3 5 v1 0 October 2007 Smart Switch Software User Manual GS748T 4 Click Save When the file location field displays specify the file name and path for saving the configuration file System Switching QoS Security Monitoring Maintenance Reset Download Save Configuration Save Configuration All configuration settings will backup to file Figure 3 5 File Download enables you to restore the saved configuration file from your PC To restore your saved configuration file 1 Select Maintenance gt Download The File Download screen will appear 2 Click Browse and select the configuration file that you want to restore on the switch 3 Click Apply to restore your file System Switching Security Monitoring Maintenance Save Config Reset File Download File Download Restore saved setting from file II Browse Figure 3 6 When the saved file has been uploaded the browser window will close and the switch will reboot Performing a Factory Reset or a Device Reboot Factory Reset restores factory defaults when you want or make a major configuration change or need t
45. lt To enable Storm Control 1 Select Security gt Traffic Control The Storm Control screen will display 2 Select the checkbox adjacent to the port that you want to change Configuring the Switch 4 21 v1 0 October 2007 Smart Switch Software User Manual GS748T 3 In the top row from the Status pull down menu select either Enable or Disable 4 Click Apply Configuring the IP Access List The IP Access List table allows you to limit and specify the IP addresses that can access the management portion of the switch An empty list means that all IP addresses are allowed to access the switch Otherwise the switch will respond only to requests from computers with an IP address in the list So make sure that you include the IP address of your PC if you are setting this feature The list can have a maximum of 10 IP addresses To add an entry to the IP Access list 1 Select Security gt Access gt IP Access List from the main menu The IP Access List will display 2 Inthe IP Address field of the configuration row enter the IP address of the PC that you want to manage the switch from 3 Click Add To delete an entry from the IP Access list 1 Select the checkbox adjacent to the entry of the IP address you want to remove 2 Click Delete Controlling Switch Access by MAC Address and VLAN ID The Trusted MAC table shows all the Trusted MAC addresses that you can specify to allow forwarded traffic to the switch
46. nts e Printing from PDF Your computer must have the free Adobe Acrobat reader installed in order to view and print PDF files The Acrobat reader is available on the Adobe Web site at http www adobe com Printing a PDF Chapter Use the PDF of This Chapter link at the top left of any page e Click the PDF of This Chapter link at the top left of any page in the chapter you want to print The PDF version of the chapter you were viewing opens in a browser window e Click the print icon in the upper left of your browser window Printing a PDF version of the Complete Manual Use the Complete PDF Manual link at the top left of any page e Click the Complete PDF Manual link at the top left of any page in the manual The PDF version of the complete manual opens in a browser window e Click the print icon in the upper left of your browser window O Tip If your printer supports printing two pages on a single sheet of paper you can 7 save paper and printer ink by selecting this feature Revision History Document Date Version Description Part Number Number p 202 10233 02 February 2007 1 0 Document created 202 10331 01 October 2007 1 0 GUI update xii About This Manual v1 0 October 2007 Chapter 1 Switch Management Overview Switch Management Interface This section gives an overview of switch management including the methods you can use to manage your NETGEAR GS748T Smart S
47. o regain management access to the switch Use this feature under the following conditions e You have lost your password e You are installing your switch into a different network environment for which it is simpler to configure from the factory settings 3 6 Basic Web Management v1 0 October 2007 Smart Switch Software User Manual GS748T e You want to make a major configuration change for another reason AN Warning Restoring Factory Defaults erases any prior user configuration You can perform a Factory Reset using either of the following methods e From the main menu Maintenance gt Reset gt Factory Default The Factory Default screen will display e Select the Check this box and click Apply below to reboot and return all configuration settings to default values check box and then click Apply or e Press the Factory Defaults button on the right hand side of the front panel The effect of each of these alternatives is identical Performing a Device Reboot restarts the system Your configuration settings remain intact You can reboot the switch externally by either e Power cycle it by disconnecting and reconnecting the power cord or e Use the Reset button on the left hand side of the front panel This operation does not disturb your switch configuration To reboot the switch from the switch GUI 1 Select Maintenance gt Reset gt Device Reboot The Device Reboot screen will display 2 Select the Check
48. of between 1000 and 65535 packets per second may be specified in each case If Multicast and Broadcast is selected as the source of the traffic then the threshold value is the combined rate of both types of packet If the incoming traffic rate of the specified packet types is above the specified value the packets are discarded 4 20 Configuring the Switch v1 0 October 2007 Smart Switch Software User Manual GS748T The Storm Control Settings table contains system wide configuration parameters for storm control To configure storm control 1 Select Security gt Traffic Control The Storm Control screen will display System Switching QoS Security Monitoring Maintenance Help Management Security on Access l Storm Control Storm Control Storm Control Settings co Port Settings Ka GOTO INTERFACE lL Go gi Disable g2 Disable g3 Disable od Di ble bon EN i Figure 4 22 2 From the Ingress Control Mode pull down menu select the type of the packet storm e Disable to turn off storm control e Unknown Unicast Multicast and Broadcast e Multicast and Broadcast e Broadcast Only 3 In the Threshold field specify the threshold rate limit packets per seconds for storm control The valid range is from 1000 to 65535 4 Click Apply You must enable the Storm Control feature on each port individually from the Port Settings table Storm Control is disabled on every port by defau
49. ommunity string entered here 4 From the Access Mode pull down menu select the access privilege for the management station e Read Only for GET and GETNEXT requests e Read Write for GET GETNEXT and SET requests 5 From the Trap T2 pull down menu select Enable if you want the switch to generate the SNMP cold Start trap when it reboots otherwise select Disable 6 From the Trap T3 pull down menu select Enable if you want the switch to generate the SNMP linkUp and linkDown trap when one of its ports changes its link status 7 From the Status pull down menu select Enable or Disable to specify the administration status A managed station or host is not active until it is set to Enable 8 Click Add to add a management station To delete a management station Select the entry you want to delete and click Delete To modify an entry 1 Select the checkbox by the entry you want to modify The fields available for modifying will appear at the top of the table 4 6 Configuring the Switch v1 0 October 2007 Smart Switch Software User Manual GS748T 2 Modify the settings in the top row and click Apply Configuring and Creating VLANs A Virtual Local Area Network VLAN is a means of electronically separating ports on the same switch from a single broadcast domain into separate broadcast domains By using VLANs users can group nodes by logical function instead of physical location For example Engineering and Ac
50. on Table C 2 lists the pin assignments for the 100 1000 Mbps RJ 45 plug and the RJ 45 connector C 6 Network Cabling v1 0 October 2007 Smart Switch Software User Manual GS748T Table C 3 100 1000 Mbps RJ 45 Plug and RJ 45 Connector Pin Assignments Pin Channel Description 1 A Rx Tx Data 2 Rx Tx Data 3 B Rx Tx Data 6 Rx Tx Data 4 C Rx Tx Data 5 Rx Tx Data 7 D Rx Tx Data 8 Rx Tx Data Conclusion For optimum performance of your 1000BASE T product it is important to fully qualify your cable installation and ensure that it meets or exceeds ANSI EIA TIA 568 A 1995 or ISO IEC 11801 1995 Category 5 specifications Install Category 5e cable where possible including patch panel cables Minimize transition points jacket removal and untwisted lengths Cable bundles must be properly installed to meet the requirements in ANSI EIA TIA 568A 3 Network Cabling C 7 v1 0 October 2007 Smart Switch Software User Manual GS748T C 8 v1 0 October 2007 Network Cabling
51. ort The switch uses this value to determine which port is the forwarding port If all other factors are equal the path with the lowest cost to the root bridge is the active path e Priority Displays the priority of this port This is the value of the priority field contained in the first octet of the port ID The port with the lowest number has the highest priority e Edge Indicates if this port is the edge port Once configured as an edge port the port immediately transitions to the forwarding state e P2P Force Indicates if this port is a point to point link If you connect a port to another port though a point to point link and the local port becomes a designated port it negotiates a rapid transition with the other port to ensure a loop free topology Click Apply System Switching QoS Security Monitoring Maintenance Help Ports LAG VLAN STP Multicast Switch Configuration gt Basic Rapid Spanning Tree Port Configuration v Advanced RSTP Configuration GOTO INTERFACE laso 3 Port rt Configuration P2P Interface Path Cost Priority State Force C EC e Disable 128 Yes Yes Disable 128 Yes Yes Disable Disable 128 Yes Yes Disable 128 Yes Yes Disable Port Configuration D ge D R n o ES H N ao lt bi D z ia KO Figure 4 16 Configuring the Switch 4 13 v1 0 October 2007 Smart Switch Software User Manual GS748T Establishing Multicast Groups Yo
52. ort parameters To configure port settings 1 Select Switching gt Ports from the main menu The Port Configuration screen will display 4 1 v1 0 October 2007 Smart Switch Software User Manual GS748T 2 Select the row of the port that you want to configure Then at the top of screen enter the following information for the selected port e Type a description for the port in the Port Description field e From the Port Speed pull down menu select the rate for the port 100M 100 Mbps 10M 10 Mbps Auto Auto will set the speed to 1000Mbps Disable disable the port 3 From the Duplex Mode pull down menu select the duplex mode for the port this field is available only when auto negotiation is disabled and the port speed is set to 10M or 100M e Full Full duplex e Half Half duplex 4 From the Flow Control pull down menu select whether or not to enable or disable Flow Control 5 From the Default Priority pull down menu assign a default packet priority for packets without IEEE802 1P tagging If the packet comes in with a priority tag the priority is retrieved from priority field of the tag 6 Click Apply 4 2 Configuring the Switch v1 0 October 2007 Smart Switch Software User Manual GS748T System Switching QoS Security Monitoring Maintenance Help LAG VLAN STP Multicast Switch Configuration Y Port Configuration Port Configuration Port Configuration Ka GOTO INTERFACE GO
53. otes for the GS748T switch Software application gt level code The release notes detail the platform specific functionality of the Switching SNMP Config and Management packages Note Although this document applies to the NETGEAR GS748T Smart Switch some p of the illustrations used may show references to other switch model numbers Where such model numbers appear the illustration concerned should be treated as an example The procedures described with these illustrations apply to each of the family of Smart Switches Conventions Formats and Scope The conventions formats and scope of this manual are described in the following paragraphs e Typographical Conventions This manual uses the following typographical conventions Italics Emphasis books CDs URL names Bold User input Fixed Screen text file and server names extensions commands IP addresses width e Formats This manual uses the following formats to highlight special messages Note This format is used to highlight information of importance or special interest Ac Tip This format is used to highlight a procedure that will save time or resources x About This Manual v1 0 October 2007 Smart Switch Software User Manual GS748T A Warning This is a warning of possible malfunction or damage to the equipment A Danger This is a safety warning Failure to take heed of this notice
54. rame Configuration will display 2 Inthe Jumbo Frame radio box select Enable Click Apply 4 16 Configuring the Switch v1 0 October 2007 Smart Switch Software User Manual GS748T Setting Rate Limits Rate Limiting determines the bandwidth of ingress and egress traffic for a specific port There are 11 data rate options in the range 512K bps to 1000M bps including a disable option that applies no limit to the data rate Ingress and egress rates are separately configurable To configure the rate limit for a specific port 1 Select QoS gt Basic gt Rate Limit The Rate Limit Rate Control Setting screen will display 2 Select the checkbox adjacent to the port you want to configure 3 In the top row select the rate limitations from the pull down menus e Inthe Ingress Rate list select the rate limitation of incoming traffic in this port e Inthe Egress Rate list select the rate limitation of outgoing traffic in this port 4 Click Apply System Switching Security Monitoring Maintenance Help SET Rate Limit QoS Global o SEA Rate Control Setting Rate Limit GO TO INTERFACE Go gt Advanced Port nares Rate Egress Rate CONE m I H F oi 1000M bps 1000M bps O a2 1000M bps 1000M bps Ol g3 1000M bps 1000M bps O g4 1000M bps 1000M bps O op 1000M bps 1000M bps C g6 1000M bps 1000M bps Figure 4 19 Setting QoS Global Configuration Quality of Service QoS is used to man
55. rd Firmware Upgrade The application software for the GS748T switch is upgradeable enabling your switch to take advantage of improvements and additional features as they become available The upgrade procedure and the required equipment are described as follows This procedure assumes that you Using the Smartwizard Discovery Utility 2 5 v1 0 October 2007 Smart Switch Software User Manual GS748T have downloaded or otherwise obtained the firmware upgrade and that you have it available as a binary file on your computer This procedure uses the TFTP protocol to implement the transfer from computer to switch To upgrade your firmware 1 After selecting the switch you want to upgrade click Firmware Upgrade see Figure 2 1 The following screen will display Firmware Upgrade x Upgrade List Progr Status Product Name IP Address Protocol Ve GS748T 172 24 4 40 2 001 002 lt gt Upgrade Configuration Product Name GS748T Product IPAddress 172 24 4 40 Product Assigned Firmware Browse Upgrade Password peen Apply Upgrade State Start Upgrade Close Window Figure 2 6 2 Enter the following values into the appropriate places in the form e Product Assigned Firmware The location of the new firmware file You can click Browse to locate the file For example tftp tftp address file name e Upgrade Password Enter your password the default password is password Click Apply 3
56. roup Select the Unit 1 checkbox to select all ports Click Apply Configuring the Switch 4 15 v1 0 October 2007 Smart Switch Software User Manual GS748T Security Monitoring Maintenance Help Ports LAG VLAN STP Multicas Switch Configuration gt Basic Multicast Group Membership v Advanced Multicast Group Configuration ETH s Multicast Group Membership Multicast Group Membership D Port 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 ECAC Pee E C E E S S SC E C O O S E Port 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 Il RN RS PPR RP RRR ERR Ree eae Figure 4 18 To remove a multicast group 1 In the line of the table that specifies the group check the Delete box 2 Click Apply to remove the group Enabling Jumbo Frames Jumbo Frames are not an approved standard Ethernet frame size so you must ensure that all of your networking equipment can support these nonstandard jumbo frames to prevent them from being dropped The Jumbo Frame screen allows you to enable or disable jumbo frame support The maximum default frame size is 1 518 bytes When jumbo frame support is enabled the frame size can vary from 64 bytes to 9 216 bytes Jumbo frames is disabled by default To configure a jumbo frame 1 Select Switching gt Switch Configuration from the main menu The Jumbo F
57. selected from transmitted or outgoing egress frames received or incoming ingress frames or all frames A port cannot be both a mirrored and a destination port at the same time Sniffing may be disabled globally To configure port mirroring 1 Select Monitoring gt Mirroring The Port Mirroring screen will display 2 From the Destination Port pull down menu select a port to be the destination port All mirrored traffic will be routed to this port 3 From the Mirroring pull down menu select the mirroring mode The possible settings are e Tx and Rx Mirrors both incoming and outgoing traffic on the designated source ports e Rx Only Mirrors only the incoming traffic to the designated source ports e Tx Only Mirrors only the outgoing traffic to the designated source ports e Disable Disables port mirroring globally 4 Select the Source Port check boxes for the ports to be mirrored Clear the check boxes for the ports you do not want to be mirrored 5 Click Add Configuring the Switch 4 23 v1 0 October 2007 Smart Switch Software User Manual GS748T System Switching Security Monitoring Maintenance Help Port Mirroring Port Mirroring Configuration Destination Port Mirroring Disable Vv Port 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 CRW RR RRB RRR RRR eee Port 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 DOOOOOOOOOOOOOOOOOOOOOOO00
58. similar to that shown below appears H Smartwizard Discovery S 1x Device List MAC Address IP Address Protocol Ver Product Name System Name Location DHC 00 00 55 34 4 172 24 4 40 2 001 002 GS748T GS748TV2 SE Lab Ena Configuration setting Product Name GS748T MAC Address 00 00 55 34 45 FE IP Address 192 168 0 3 Subnet Mask 255 255 255 Gateway 192 168 0 254 System GS748Tv2 r Location 5F Lab Password een DHCP C Enable Disable Set Cancel Device Setting Configuration Setting Password Change Web Access Firmware Upgrade Exit Figure 2 3 Choose the Disable radio button for DHCP Enter your chosen switch IP address gateway IP address and subnet mask and then type your password and click Set Please ensure that your PC and the GS748T Smart Switch are in the same subnet Make a note of these settings for later use Using the Smartwizard Discovery Utility 2 3 v1 0 October 2007 Smart Switch Software User Manual GS748T Configuring Your NIC Settings The settings of your NIC on the host that accesses the GS748T Smart Switch under MS Windows OS are made with entries into the Windows screens shown below For comparison the settings of the switch are also shown although they do not appear in the Windows view D erf server odierni etomatinaty Use the following DNS server addresses Preteved ONS server Abemsate DNS server
59. ssword you can press the Factory Reset button on the front on the device and the password will return to the default see Performing a Factory Reset or a Device Reboot 3 4 Basic Web Management v1 0 October 2007 Smart Switch Software User Manual GS748T To change password 1 Select Security gt Management Security The User Configuration gt Change Password screen will display 2 Inthe Old Password field enter the current password In the New Password field enter the new password and then reenter your new password in the Re Type New Password field to confirm the change 4 Click Apply to enable the new password System Switching Security Monitoring Maintenance Help Traffic Control Access v User Change Password Configuration gt Change Password Change Password Old Password eeccccee New Password ececcccee Re type New Password egeeeeeeel Figure 3 4 Managing Your System Configuration The Maintenance tab on the main menu allows you to access the backup and restore features of the GS748T Smart Switch These topics are described at this stage of the description because their utility may be needed early in the configuration process Saving and Restoring Your Configuration This facility may be used to protect your system configuration and save a possibly long manual configuration in case of a loss or an accidental manual factory reset Save Configuration enables you to bac
60. st groups can be supported To add a static multicast entry 1 1 Select Switching gt Multicast gt Advanced gt Multicast group Configuration The Multicast Group Configuration screen will display 2 Enter the following parameters for each field in the top row 4 14 Configuring the Switch v1 0 October 2007 Smart Switch Software User Manual GS748T e VLAN ID Specifies the VLAN ID This field is only applicable if 802 1Q VLAN mode is used e Multicast Entry Specifies the multicast group MAC address associated with the VLAN Click Add Ports LAG VLAN STP ulticast Switch Configuration Security Monitoring Maintenance Help Multicast Group Configuration Static Multicasting kt reser Membership Bl 1 01 00 5E 01 01 02 Figure 4 17 To delete a static multicast entry 1 Select the checkbox adjacent to the multicast group you want to delete 2 Click Delete Multicast Group Membership The Multicast Group Membership table displays the ports associated with each multicast group To configure the multicast group membership 1 Select Switching gt Multicast gt Advanced gt Multicast Group Membership The Multicast Group Membership screen will display From the ID pull down menu select a multicast group that you created in the Multicast Group Configuration screen Click the Unit 1 link All the available ports will display Select the ports for the Multicast G
61. switch supports Rapid Spanning Tree Protocol defined by IEEE 802 1w which is an improvement over the 802 1D STP that shortens connection latency between nodes The Configuring the Switch 4 11 v1 0 October 2007 Smart Switch Software User Manual GS748T resultant path between nodes determined by RSTP is the same as that eventually determined by STP Use the Bridge Settings table to manage attributes related to the Spanning Tree Protocol e Bridge Priority The priority value of this switch After exchanging BPDUs with other STP enabled devices the device with the lowest priority value becomes the root bridge e Bridge Max Age The maximum age of the current bridge This is the maximum age of the Spanning Tree Protocol information learned from the network before it is discarded in seconds e Bridge Hello Time Indicates the amount of time in seconds that the switch waits before sending configuration PDUs when it is the root of the spanning tree or trying to become the root e Bridge Forward Delay Indicates the amount of time measured in seconds that the port stays in each of the listening and learning states that precedes the forward state This value is also used to age all dynamic entries in the forwarding databases when a topology change has been detected and is underway The IEE 802 1W RSTP Setting page of the GS748T switch contains a set of default values which are optimal for most applications Adjust these values if
62. t 802 1p priority values For the DSCP QoS to work properly make sure that the priority values are correctly mapped to the appropriate hardware queues To map DSCP values to 802 1p priorities 1 Select QoS gt Advanced gt DSCP Priority Mapping from the main menu The DSCP to Priority Mapping screen will display 2 Select one of the eight priority values for each DSCP value e Match these DHCP values to set Per Hop Behavior PHB priorities by selecting a QoS service class value of between 0 and 7 Packets within these service classes are treated with equal priority e RFC 2597 defines the assured forwarding AF PHB It guarantees a certain amount of bandwidth to an AF class e The Expedited Forwarding EF PHB is defined in RFC 2598 and uses Codepoint 101110 The EF PHB is used to build a low loss low latency low jitter assured bandwidth service This premium service can appear to the user be a point to point connection 3 Click Apply Configuring the Switch 4 19 v1 0 October 2007 Smart Switch Software User Manual GS748T DSCP to Priority Mapping gt Basic v Advanced 802 1p to Queue Mapping DSCP Priority Mapping csi cs2 cs3 cs 4 0 v 000000 001000 010000 011000 css cs6 J cs css v v Ka 100000 Lo e 101000 Lo i 110000 111000 Assured Forwarding AF PHB osc Priority psce Priority eg Priority scp iori AF AL AF 21 a AF 31 AF 41 ov DSCP to Priority Mapp
63. this box and click APPLY below to reboot unit checkbox 3 Click Apply Switching Maintenance System Security Monitoring Help Save Config Download Device Reboot Device Reboot gt Factory Default Device Reboot Check this box and click APPLY below to reboot unit Figure 3 7 Basic Web Management 3 7 v1 0 October 2007 Smart Switch Software User Manual GS748T 3 8 v1 0 October 2007 Basic Web Management Chapter 4 Configuring the Switch The navigation tabs across the top of the user interface provide access to all of the submenu screens which allow you to manage your GS748T Smart Switch The features under the following main headings Configuring Ports Configuring the Link Aggregation Group LAG Setting Up SNMP Configuring and Creating VLANs Enabling Spanning Tree Protocol Establishing Multicast Groups Enabling Jumbo Frames Setting Rate Limits Setting QoS Global Configuration Enabling Storm Control Configuring the IP Access List Controlling Switch Access by MAC Address and VLAN ID Setting up Mirroring or Sniffer Ports Viewing Packet Statistics The description that follows in this chapter covers these features and tells you how to configure them in the GS748T switch Configuring Ports The Port Configuration table displays the port status and contains fields for defining p
64. tion 10 Disabled 802 1D Spanning Tree 1 Disabled 802 1w RSTP 1 Disabled IGMP Snooping 1 Disabled Static 802 1Q Tagging 256 VID 1 Member Ports 1 48 Port Based Private VLAN 48X1 MemberPorts 1 1 48 Learning Process N A N A Table A 4 Quality Of Service Feature Sets Supported Default Number of Queues N A N A Port Based 48 per port Normal for all ports 802 1p 1 Disabled DSCP 1 Disabled Table A 5 Security Feature Sets Supported Default ACL 10 All IP addresses allowed Password Control Access 1 Login Time Out 5 mins Password password A 2 Specifications and Default Values v1 0 October 2007 Smart Switch Software User Manual GS748T Table A 5 Security continued Feature Sets Supported Default Trust Matadors Filter 256 Disabled Port MAC lock down 48 per port Disabled Management VLAN 1 0 Table A 6 Traffic Control Feature Sets Supported Default Rate control 48 per port Disabled Storm control 1 per switch Disabled Jumbo frame 48 per port Disabled Table A 7 System Setup Feature Sets Supported Default DHCP Manual IP 1 192 168 0 239 System Name Configuration 1 NULL Configuration Save Restore 1 N A Firmware Upgrade 1 N A Factory Reset 1 N A Table A 8 Other Features Feature Sets Supported Default Static Multicast Entry
65. ts can share file archives and printing services Port 25 provides Gigabit speed for e mail server and Internet connection The specific ports above have the following functions VLAN 1 Port 15 Port 18 Port 21 Port 24 Port 26 for IT department to monitor and control activities on all other VLANs VLAN 2 Port 1 Port 8 for Sales department port 7 and 8 connect to file archives and printer server VLAN 3 Port 7 Port 14 for Marketing department port 7 and 8 connect to file archives and printer server VLAN 4 Port 19 Port 20 for Accounting department its work is kept secret from other departments except IT VLAN Configuration Results If a packet comes in on port 2 it can go to ports 1 3 4 5 6 7 8 and 25 as those are the only ports in that VLAN A Sales person on Port 2 can get to the Internet send and receive e mail but cannot access the marketing department print server or file archives If a Marketing user sends out a broadcast message the Sales and Accounting departments are not affected by the message because it does not go out on their ports Only the Marketing department and the IT group will receive the broadcast message If an IT user sends out a broadcast message everyone receives it B 4 Virtual Local Area Networks VLANs v1 0 October 2007 Appendix C Network Cabling This appendix provides specifications for cables used with a NETGEAR GS748T Smart Switch Fast Eth
66. u can specify specific ports and VLANs for receiving Multicast packets with specific MAC addresses The MAC addresses are IPv4 Multicast Addresses RFC 1112A formatted as 01 00 5E XX XX XX A maximum of 64 groups is supported IGMP Snooping IGMP Internet Group Management Protocol specifies how to register a host to a router in order to receive specific multicast traffic It allows your switch to examine IGMP packets and forward them in ways based on their content To receive messages the switch must be configured to use IGMP snooping in subnets that receive IGMP queries from either IGMP groups or the IGMP snooping querier IGMP snooping constrains multicast traffic at Layer 2 by dynamically configuring Layer 2 LAN ports to forward multicast traffic only to those ports that want to receive the messages IGMP is a standard defined in RFC 1112 for IGMPv1 and in RFC 2236 for IGMPv2 Both IGMP Snooping and blocking of unknown multicast addresses flooding are disabled by default To enable IGMP snooping 1 Select Switching gt Multicast gt Basic from the main menu The IGMP Snooping screen will display 2 Select the Enable radio box to enable the IGMP Snooping Status feature 3 Select the Enable radio box for Block Unknown Multicast Addresses to allow unknown multicast flooding 4 Click Apply Multicast Group Configuration The Static Multicast table allows you to add and delete static multicast groups Up to 256 static multica
67. witch Your NETGEAR GS748T Smart Switch contains an embedded web server and management software for managing and monitoring switch functions This switch will function as a simple switch without using the management software but its use enables you to configure more advanced features and consequently improve switch efficiency and the overall performance of your network Web Based Management enables you to monitor configure and control your switch remotely using a common web browser instead of having to use expensive and complicated SNMP software products Simply by using your web browser you can monitor the performance of your switch and optimize its configuration for your network Using your browser for example you can set up VLANs traffic priority and configure port trunking In addition NETGEAR provides the Smartwizard Discovery Utility program with this product This program runs under Microsoft Windows XP or Windows 2000 and provides a front end which discovers the switches on your network segment When you power up your switch for the first time Smartwizard Discovery enables you to configure its basic network parameters without prior knowledge of IP address or subnet mask Following such configuration this program leads you into the Web Management interface Table 1 1 shows some features of Smartwizard Discovery and Web Management v1 0 October 2007 Smart Switch Software User Manual GS748T Table 1 1 Switch Manag
68. you must provide for special conditions To set up RSTP 1 Select Switching gt STP gt Advanced gt RSTP Configuration from the main menu The RSTP Configuration screen will display 2 Select the Enable radio box for RSTP Configuration and click Apply 3 Then select the Advanced link to display the Bridge Settings You can accept the default settings or modify the default settings and click Apply Switching Security Monitoring Maintenance Help Ports LAG VLAN STP Multicast Switch Configuration gt Basic RSTP Configuration y Advanced e DOE RSTP Configuration Configuration RSTP Configuration ODisable Enable Port Configuration Bridge Settings Ka Bridge Priority 32768 Bridge Max Age 20 e 0 Bridge Hello Time 2 1 10 Default 2 Bridge Forward Delay 4 30 Default 15 Figure 4 15 4 12 Configuring the Switch v1 0 October 2007 Smart Switch Software User Manual GS748T The Port Configuration table displays the current status of individual ports You can also configure ports from this table To modify port settings 1 2 3 Select the Port Configuration link The RSTP Port Configuration screen will display Select the interface or port you want to modify Modify the settings in the top row e Path Cost Displays the cost of this port Cost means the contribution of this port to the cost of paths toward the spanning tree root that include this p

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