Allied-telesis AT-S41 Manual de usuario

Management SoftwareAT-S41◆User’s GuideFOR THE AT-8350GB FAST ETHERNET SWITCHVERSION 1.0®PN 613-50308-00 Rev A

10PrefaceThis guide contains instructions on how configure the AT-8350GB Fast Ethernet switch using the AT-S41 management software.How This Guide is O

AT-S41 User’s Guide100Viewing or Modifying a VLANThere are two phases to modifying a VLAN. You might need to perform both phases or just one of them,

AT-S41 User’s Guide101The Config VLAN Member Menu for the VLAN is displayed, as shown in Figure 27. This menu contains all the current information abo

AT-S41 User’s Guide102a. Type I to choose Select Stack ID and enter the stack ID of the switch containing ports that you want to add or remove from th

AT-S41 User’s Guide103This menu lists the ports on the switch and each port’s current PVID assignment. For example, referring to the figure above, Por

AT-S41 User’s Guide104Deleting a VLANTo delete a VLAN, perform the following procedure:1. From the Main Menu, type A to select the Advanced Switch Con

AT-S41 User’s Guide105Setting GVRP StatusTo set the GVRP status, perform the following procedure:1. From the Main Menu, type A to select the Advanced

AT-S41 User’s Guide106Resetting the VLAN Parameters to DefaultThis command deletes all VLANs that you created. All ports are returned back to the Defa

107Chapter 11MAC Address TableThis chapter contains the procedures for viewing the MAC address table. The sections in this chapter include:❑ MAC Addre

AT-S41 User’s Guide108MAC Address OverviewEvery hardware device on your network has a unique MAC address. This address is assigned to the device by th

AT-S41 User’s Guide109on which the packet was received. This prevents packets from being forwarded onto inappropriate LAN segments and increases netwo

AT-S41 User’s Guide11Document ConventionsThis document uses the following conventions:NoteNotes provide additional information.WarningWarnings inform

AT-S41 User’s Guide110Displaying MAC AddressesTo display the MAC address table, perform the following procedure:1. From the Main Menu, type B to selec

AT-S41 User’s Guide111The management software displays the MAC addresses based on your selection. Figure 30 is an example of the Display MAC Address b

AT-S41 User’s Guide112Viewing MAC Addresses by PortThis section contains the procedure for viewing the dynamic MAC addresses that have been learned on

AT-S41 User’s Guide113Viewing the MAC Addresses by MACThis section contains the procedure for viewing the dynamic MAC addresses that have been learned

AT-S41 User’s Guide114Viewing the MAC Addresses of a VLANThe procedure in this section can be useful if you created VLANs on the switch and want to vi

AT-S41 User’s Guide115Adding Static MAC AddressesThe management software allows you to assign up to 256 static MAC addresses on an AT-8350GB Fast Ethe

AT-S41 User’s Guide116Deleting Static MAC AddressesTo delete a static MAC address, perform the following procedure:1. From the Main Menu, type B to se

AT-S41 User’s Guide117Changing the Aging TimeThe switch uses the aging time to delete inactive dynamic MAC addresses from the MAC address table. When

118Chapter 12Quality of ServiceThis chapter contains the procedures for configuring the Quality of Service (QoS) feature of the AT-S41 software. Secti

AT-S41 User’s Guide119Quality of Service OverviewThe AT-8350GB switch supports QoS as specified in the IEEE 802.1p and 802.1Q standards. QoS can be im

AT-S41 User’s Guide12Where to Find Web-based GuidesThe Allied Telesyn Web site at www.alliedtelesyn.com contains PDF files of the Installation and Use

AT-S41 User’s Guide120Configuring QoSTo configure QoS on the switch, perform the following procedure:1. From the Main Menu, type A to select Advanced

AT-S41 User’s Guide1216. Enter a traffic class.The following prompt is displayed, where X equals the traffic class specified in the last step.Enter qu

122Chapter 13IGMP SnoopingThis chapter explains how to activate and configure the IGMP snooping feature on the switch. Sections in the chapter include

AT-S41 User’s Guide123IGMP Snooping OverviewThe Internet Group Management Protocol (IGMP) enables routers to create lists of end nodes that want to re

AT-S41 User’s Guide124Activating IGMP SnoopingTo enable or disable IGMP snooping on the switch and to configure IGMP snooping parameters, perform the

AT-S41 User’s Guide125This parameter also specifies the time interval used by the switch in determining whether a multicast router is still active. Th

AT-S41 User’s Guide126Viewing Group MembersYou can use the AT-S41 software to display a list of the members of each multicast group on a switch. To di

AT-S41 User’s Guide127Group MembersThe port(s) on the switch to which one or more host nodes of the multicast group are connected.VLAN IDThe VLAN ID o

128Chapter 14Broadcast Storm ControlThis chapter contains the procedures for configuring the broadcast storm control feature of the AT-S41 management

AT-S41 User’s Guide129Broadcast Storm Control OverviewMost frames on an Ethernet network are unicast frames. A node sending a unicast frame intends th

AT-S41 User’s Guide13Contacting Allied Telesyn Technical SupportYou can contact Allied Telesyn technical support online or by telephone.Online Support

AT-S41 User’s Guide130Activating Broadcast Storm ControlTo activate the Broadcast Storm Control feature for the switch, perform the following procedur

131Chapter 15Port StatisticsThis chapter contains the procedure for displaying data traffic statistics. This chapter includes the following section:❑

AT-S41 User’s Guide132Displaying Port StatisticsTo display Ethernet port statistics, perform the following procedure:1. From the Main Menu, type S to

AT-S41 User’s Guide133The information in the Statistics Menu is for viewing purposes only. The statistics are defined below:Total RX BytesNumber of by

134Chapter 16Configuration File A configuration file is a file that contains all of the existing configurations and settings for a switch. You can upl

AT-S41 User’s Guide135Uploading a Configuration File Using XModemThis section contains the procedure for uploading a configuration file from a switch

AT-S41 User’s Guide136The XModem Configuration File Upload/Download Menu is displayed in Figure 37.Figure 37 XModem Configuration File Upload/Downloa

AT-S41 User’s Guide137The Receive File pop-up window is displayed in Figure 39. Figure 39 Receive File Pop-up Window8. Click the Browse button on the

AT-S41 User’s Guide138The XModem File Receive window is displayed in Figure 41. Figure 41 XModem File Receive WindowThe configuration file uploading

AT-S41 User’s Guide139Downloading a Configuration File Using XModemThis section contains the procedure for downloading a configuration file to a switc

AT-S41 User’s Guide14For Sales or Corporate InformationAllied Telesyn, Inc.19800 North Creek Parkway, Suite 200Bothell, WA 98011Tel:1 (425) 487-8880Fa

AT-S41 User’s Guide140The XModem Configuration File Upload/Download Menu is displayed in Figure 43.Figure 43 XModem Configuration File Upload/Downloa

AT-S41 User’s Guide141The Send File pop-up window is displayed in Figure 45. Figure 45 Send File Pop-up Window8. Click the Browse button on the Send

AT-S41 User’s Guide142Uploading/Downloading a Configuration File Using TFTPTFTP software is available from various sources and is included in SNMP whi

AT-S41 User’s Guide143The TFTP Configuration File Upload/Download Menu is displayed in Figure 48.Figure 48 TFTP Configuration File Upload/Download Me

AT-S41 User’s Guide1446. Open the TFTP client software and select the target directory for the configuration file. 7. Return to the TFTP Configuration

145Chapter 17Management Software UpdatesThis chapter explains how to obtain new versions of the AT-S41 management software and how to download the sof

AT-S41 User’s Guide146Obtaining Software UpdatesNew releases of the AT-S41 management software are available from the Allied Telesyn web site at www.a

AT-S41 User’s Guide147Downloading New Management Software Using XModemThis section contains the procedure for downloading a new version of AT-S41 mana

AT-S41 User’s Guide148The XModem Software Upgrade Menu is displayed in Figure 49.Figure 49 XModem Software Upgrade Menu4. Type U to select Upgrade Im

AT-S41 User’s Guide149The Send File pop-up window is displayed in Figure 51. Figure 51 Send File Pop-up Window8. Click the Browse button on the Send

AT-S41 User’s Guide15Management Software UpdatesAllied Telesyn periodically updates the management software programs for our managed products. You can

AT-S41 User’s Guide150Downloading a New Management Software Image Using TFTPTFTP software is available from various sources and is included in SNMP wh

AT-S41 User’s Guide151Figure 53 TFTP Software Upgrade MenuYou will need to provide the following information when using the TFTP client software to d

152Section IIIWeb Browser ManagementThe chapters in this section explain how to manage an AT-8350GB Fast Ethernet switch using a Web browser. The chap

153Chapter 18Starting a Web Browser Management SessionThis chapter contains the procedure for starting a management session on an AT-8350GB stack usin

AT-S41 User’s Guide154Starting a Web Browser Management SessionThis section explains how to start a Web browser management session. NoteIn order for y

AT-S41 User’s Guide155The management software home page will appear, as displayed in Figure 55.Figure 55 Management Software Home PageThis is the hom

156Chapter 19Basic Switch ParametersThe procedures in this chapter explain how to set the following switch parameters:❑ Configuring an IP Address on p

AT-S41 User’s Guide157Configuring an IP AddressNoteFor guidelines on when to assign an IP address, subnet address, and gateway address to an AT-8350GB

AT-S41 User’s Guide158System MAC AddressThis parameter specifies the MAC address of the switch. This parameter cannot be changed. System IP AddressThi

AT-S41 User’s Guide159Configuring System Administration InformationThe procedure in this section explains how to assign a name to the switch, along wi

16Section IOverviewThe chapters in this section provide an overview of the AT-S41 management software on the AT-8350GB Fast Ethernet switch. They revi

AT-S41 User’s Guide160System NameThis parameter specifies a name for the switch (for example, Sales). This parameter is optional and may contain up to

AT-S41 User’s Guide161Setting the User Interface ConfigurationThe procedure in this section explains how to set the user interface or security feature

AT-S41 User’s Guide162Telnet UI Idle TimeoutThis parameter causes the management software to automatically end a management session if it does not det

AT-S41 User’s Guide163Activating DHCP This application protocol was developed to simplify network management. It is used to automatically assign IP co

AT-S41 User’s Guide164Configuring SNMP Community Strings and Trap IP AddressesTo configure the SNMP community strings for the switch and to assign up

AT-S41 User’s Guide165SNMP Write CommunityThis command specifies the SNMP write community name. The maximum length for a read community name is 20 cha

AT-S41 User’s Guide166Resetting the Management Software Default ValuesThe procedure in this section returns all management parameters to their default

AT-S41 User’s Guide167Rebooting a SwitchTo reboot a switch, perform the following procedure:1. Click on the Tools menu tab and select System Reboot fr

AT-S41 User’s Guide168Viewing the AT-S41 Switch InformationThe procedure in this section explains how to display general information about the switch.

AT-S41 User’s Guide169Ping ExecutionTo configure the ping execution settings on the switch, perform the following procedure:1. Click on the Tools menu

17Chapter 1Management Software OverviewThe AT-S41 management software is intended for the AT-8350GB Fast Ethernet switch. The software allows you to a

AT-S41 User’s Guide170The Ping Test Result page is displayed, as shown in Figure 64.Figure 64 Ping Test Result PageThe parameters cannot be modified

AT-S41 User’s Guide171Bootstrap ConfigurationThe bootstrap feature allows you to download new software and configuration settings when you boot up the

AT-S41 User’s Guide172RemoteIf you choose the remote boot load mode, the switch downloads software from a TFTP server and boots using the newly downlo

173Chapter 20Port ParametersThe procedures in this chapter allow you to view and change the parameter settings for the individual ports on a switch. E

AT-S41 User’s Guide174Configuring Port ParametersTo configure the parameter settings for a port on a switch, perform the following procedure: 1. Click

AT-S41 User’s Guide175Type The port types. Ports 1-48 are 10/100Base-TX and can operate at 10/100 Mbps. Ports 49-50 are 1000Base-TX and can operate at

AT-S41 User’s Guide176Enabled - The port is allowed to use flow control. This is the default setting for all of the ports on the switch.Disabled - The

AT-S41 User’s Guide177Configuring Gigabit Port TypePorts 49 and 50 can operate as either GBIC ports or 10/100/1000 Mbps twisted pair ports. The defaul

AT-S41 User’s Guide178Displaying Port StatusThe procedure in this section displays the operating status of the ports on a switch. To display the statu

AT-S41 User’s Guide179If you select a port, the Configuration of Port page is displayed, as shown in Figure 69.Figure 69 Configuration of a Port This

AT-S41 User’s Guide18There are four different types of management sessions that you can use to access the AT-S41 management software on an AT-8350GB F

AT-S41 User’s Guide180You might want to disable a port and prevent packets from being forwarded if a problem occurs with the node or cable connected t

AT-S41 User’s Guide181Displaying Port StatisticsThe procedure in this section displays the statistics of a port on a switch. To display the statistics

AT-S41 User’s Guide182Good Multicast Number of valid multicast packets received on the port.CRC/Align Errors Number of packets with a cyclic redundanc

183Chapter 21Port SecurityThis chapter explains how to configure port security. NoteFor background information on port security, refer to the Port Sec

AT-S41 User’s Guide184Configuring Port SecurityTo configure the switch’s port security, perform the following procedure:1. Click on the Advanced Confi

AT-S41 User’s Guide1854. If you selected the Limit security mode, you can set a threshold or specific limit on the maximum number of dynamic MAC addre

AT-S41 User’s Guide186Displaying Port Security SettingsTo view the switch’s port security settings, perform the following procedure:1. Click on the Ad

187Chapter 22Port TrunksThis chapter contains the procedures for creating or deleting a port trunk using a Web browser management session.NoteFor back

AT-S41 User’s Guide188Creating or Deleting a Port TrunkCautionDo not connect the cables of a port trunk to the ports on the switch until after you hav

AT-S41 User’s Guide189If the switch does not contain a port trunk, all of the ports on the switch will be un-checked. If there is a port trunk, the po

AT-S41 User’s Guide19Local Management SessionYou establish a local management session with an AT-8350GB Fast Ethernet switch by connecting either a te

190Chapter 23Port MonitoringThis chapter contains the procedure for enabling and disabling port monitoring.NoteFor background information on port moni

AT-S41 User’s Guide191Configuring Port MonitoringTo enable or disable port monitoring, perform the following procedure: 1. Click on the Advanced Confi

192Chapter 24Spanning Tree ProtocolThis chapter explains how to configure the STP bridge parameters on an AT-8350GB Fast Ethernet switch from a Web br

AT-S41 User’s Guide193Configuring a Bridge’s STP SettingsCautionSTP on a bridge is disabled by default. If you enable STP, the bridge provides default

AT-S41 User’s Guide194Bridge PriorityThe priority number for the bridge. This number is used in determining the root bridge for STP. The bridge with t

AT-S41 User’s Guide195Configuring STP Port SettingsTo display and configure the STP settings, perform the following procedure:1. Click on the Basic Co

AT-S41 User’s Guide196Path CostThe spanning tree algorithm uses the cost parameter to decide which port provides the lowest cost path to the root brid

197Chapter 25Virtual LANsThis chapter explains how to create, modify, and delete VLANs. NoteFor background information on VLANs, refer to Chapter 10,

AT-S41 User’s Guide198Creating a VLANThe procedure for creating a new VLAN is divided into the following phases: ❑ Phase 1: Assigning a VID and name a

AT-S41 User’s Guide199Phase 1 This phase allows you to assign a VID and a name to your VLAN and also designate the VLAN port members. 1. Click on the

Copyright  2002 Allied Telesyn, Inc. 960 Stewart Drive Suite B, Sunnyvale, CA 94085 USAAll rights reserved. No part of this publication may be reprod

AT-S41 User’s Guide20Telnet Management SessionAny management workstation on your network that has the Telnet application protocol can be used to manag

AT-S41 User’s Guide200If the VLAN will be unique in your network, then the name should be unique as well. If the VLAN will be part of a larger VLAN th

AT-S41 User’s Guide201Phase 2 This phase explains how to convert the tagged ports that you added to the new VLAN into untagged ports. This process inv

AT-S41 User’s Guide202For example, if you wanted to make Port 5 an untagged port of a VLAN with a VID of 7, you would change the PVID for Port 5 to th

AT-S41 User’s Guide203Viewing or Modifying a VLANThere are two phases to modifying a VLAN. You might need to perform both phases or just one, dependin

AT-S41 User’s Guide204The Create/Modify VLAN page will appear, as displayed in Figure 80.Figure 80 Create/Modify VLANThe rows on the page are defined

AT-S41 User’s Guide205NoteYou cannot add untagged ports to a VLAN from this page. To add untagged ports, refer to Phase 2, below.4. If you want to rem

AT-S41 User’s Guide206Phase 2 You must perform this phase whenever you need to add or remove an untagged port from a VLAN. This phase explains how to

AT-S41 User’s Guide2074. Click the Apply button.Once a new PVID has been assigned to a port, the port is an untagged member of that VLAN and only that

AT-S41 User’s Guide208Deleting a VLANTo delete a VLAN, perform the following procedure:1. Click on the Advanced Config menu tab and select VLAN Config

209Chapter 26MAC Address TableThis chapter contains instructions on how to view the dynamic and static addresses in the MAC address table of the switc

AT-S41 User’s Guide21Web Browser Management SessionYou can also use a Web browser to manage a switch. This is another type of remote management, just

AT-S41 User’s Guide210Viewing the MAC Address by PortThis section contains the procedure for viewing the dynamic MAC addresses that have been learned

AT-S41 User’s Guide211Viewing the MAC Addresses by MACThis section contains the procedure for viewing the dynamic MAC addresses that have been learned

AT-S41 User’s Guide2124. To modify the aging time, enter a value in seconds in the Aging Time field and click the Apply button. The Aging Time setting

AT-S41 User’s Guide213Viewing the MAC Addresses of a VLANThe procedure in this section can be useful if you created VLANs on the switch and want to vi

AT-S41 User’s Guide2142. Enter the VLAN ID whose static and dynamic MAC addresses you want to view into the VLAN ID field.3. Click the Apply button ne

AT-S41 User’s Guide215Adding Static MAC AddressesThe management software allows you to assign up to 256 static MAC addresses on an AT-8350GB switch.To

AT-S41 User’s Guide216Deleting Static MAC AddressesTo delete a static MAC address, perform the following procedure:1. Click on the Basic Config menu t

217Chapter 27Quality of ServiceThis chapter contains instructions on how to configure QoS. This chapter contains the following procedure:❑ Configuring

AT-S41 User’s Guide218Configuring QoSNoteQuality of Service is not supported in port-based VLAN mode.To configure QoS, perform the following procedure

219Chapter 28IGMP SnoopingThis chapter explains how to activate and configure the IGMP snooping feature on the switch. Sections in the chapter include

AT-S41 User’s Guide22SNMP Management SessionAnother way to remotely manage an AT-8350GB switch is with an SNMP management program, such as HP Openview

AT-S41 User’s Guide220Activating IGMP SnoopingTo enable or disable IGMP snooping on the switch and to configure IGMP snooping parameters, perform the

AT-S41 User’s Guide221VIDThe VLAN ID of the VLAN the multicast group belongs to. This parameter will only be visible if you have created a VLAN. Multi

AT-S41 User’s Guide222Viewing Group MembersYou can use the AT-S41 software to display a list of the members of each multicast group on a switch. To di

223Chapter 29Broadcast Storm Control This chapter contains instructions on how to configure the broadcast storm control feature on the switch.NoteFor

AT-S41 User’s Guide224Activating Broadcast Storm Control and Setting a ThresholdTo activate broadcast storm control and set a threshold, perform the f

225Chapter 30Uploading/Downloading Configuration FilesThis chapter explains how to upload and download configuration files from a Web browser manageme

AT-S41 User’s Guide226Uploading/Downloading a Configuration File Using TFTPTFTP software is available from various sources and is included in SNMP whi

AT-S41 User’s Guide227Download/Upload Config FileSpecifies whether you are uploading or downloading a configuration file.Download Server IPThis is the

228Chapter 31Management Software UpdatesThis chapter explains how to obtain new versions of the AT-S41 management software and how to download the sof

AT-S41 User’s Guide229Obtaining Software UpdatesNew releases of the AT-S41 management software are available from the Allied Telesyn Web site at www.a

23Chapter 2StackingThis chapter explains the stacking features of the AT-8350GB switch. The sections in this chapter include:❑ Stacking Overview on pa

AT-S41 User’s Guide230Downloading a New Management Software Image Using TFTPTFTP software is available from various sources and is included in SNMP wh

AT-S41 User’s Guide231Image Version/DateThe software version and date currently on the switch. File Type❑ ImageAn image file is the management softwar

232Appendix A AT-S41 Default SettingsThis appendix lists the AT-S41 factory default settings.Setting DefaultIP Address 0.0.0.0Subnet Mask 0.0.0.0 Gate

AT-S41 User’s Guide233Port Trunking DisabledPorts 49 and 50Port Type (GBIC or Twisted Pair) Twisted PairVLANs802.1Q VLANs EnabledDefault VLAN Name Def

AT-S41 User’s Guide24Stacking OverviewThe stacking feature can make it easier for you to manage the AT-8350GB switches in your network. It offers the

AT-S41 User’s Guide25Stacking and the Management SoftwareIf you are using the stacking feature of the AT-8350GB switch, the first thing that you shoul

26Section IILocal and Telnet ManagementThe chapters in this section explain how to manage an AT-8350GB Fast Ethernet switch from a local or Telnet man

27Chapter 3Starting a Local or Telnet Management SessionThis chapter contains the procedures for starting local and Telnet management sessions on an A

AT-S41 User’s Guide28Local Management SessionThere is an RS232 terminal port on the back panel of the AT-8350GB switch. Use this port to establish a l

AT-S41 User’s Guide29Starting a LocalManagementSessionTo start a local management session, perform the following procedure:1. Connect one end of the n

3Table of ContentsList of Figures ...

AT-S41 User’s Guide30NoteThese are the default settings for the RS232 terminal port. They are for a DEC VT100 or ANSI terminal, or an equivalent termi

AT-S41 User’s Guide31Quitting from aLocal SessionTo quit a local session, return to the Main Menu and type Q for Quit. You should always exit from a m

AT-S41 User’s Guide32Telnet Management SessionYou can use the Telnet application protocol from a workstation on your network to manage an AT-8350GB st

33Chapter 4Basic Switch ParametersThis chapter contains a variety of information and procedures. It contains information about when to assign an IP ad

AT-S41 User’s Guide34When Does an AT-8350GB Switch Need an IP Address?One of your first tasks as you begin to build your network will be to determine

AT-S41 User’s Guide35Configuring an IP AddressThe procedure in this section explains how to manually assign an IP address, subnet mask, and gateway ad

AT-S41 User’s Guide36Subnet [M]askThis command specifies a subnet mask for the stack.Default [G]ateway AddressThis command specifies the default route

AT-S41 User’s Guide37Configuring System Administration InformationThe procedure in this section explains how to assign a name to the stack, along with

AT-S41 User’s Guide38Set System [L]ocationThis command specifies the location of the stack, such as the building number and wiring closet number. This

AT-S41 User’s Guide39Configuring the User Interface Security FeaturesThe procedure in this section explains how to set the AT-S41 user interface secur

4Telnet Management Session ...

AT-S41 User’s Guide40system while configuring a stack. The default for the console timeout value is 5 minutes.You can set the timeout for between 0 an

AT-S41 User’s Guide41Enable/Disable [W]eb ServerThis command allows you to disable the Web browser management feature on the stack, and so prevent ind

AT-S41 User’s Guide42Activating DHCP This application protocol was developed to simplify network management. It is used to automatically assign IP con

AT-S41 User’s Guide43Configuring SNMP Community Strings and Trap IP AddressesTo configure the SNMP community strings for the stack and to assign up to

AT-S41 User’s Guide44Enable/Disable SNMP [T]rap Receiver This command specifies the status of a trap receiver. This parameter can be set to E for enab

AT-S41 User’s Guide45Rebooting a SwitchTo reboot a switch, perform the following procedure:1. From the Main Menu, type T to select Switch Tools.2. Fro

AT-S41 User’s Guide46Activating the Management Software’s Default ValuesThe procedure in this section returns all management parameters in a stack to

AT-S41 User’s Guide47Are you sure you want to reboot the system (Y/N) ->6. Type Y for yes or N for no.If you type Y for yes, the stack settings are

AT-S41 User’s Guide48Viewing the AT-S41 Switch InformationThe procedure in this section explains how to display general information about the stack, i

AT-S41 User’s Guide49Pinging a Network DeviceThis procedure explains how to instruct the stack to ping a network device. This procedure is useful in d

5Chapter 10Virtual LANs ...

AT-S41 User’s Guide50Set [T]imeout ValueThe length of time for which the switch will continue to send pings if it does not receive a response. The def

AT-S41 User’s Guide51Bootstrap ConfigurationThe bootstrap feature allows you to download new software and configuration settings when you power on or

AT-S41 User’s Guide52RemoteIf you choose the remote boot load mode, the stack downloads software from a TFTP server and boots using the newly download

53Chapter 5Port ParametersThis chapter contains procedures for viewing and changing the parameter settings for the individual ports on a stack. This c

AT-S41 User’s Guide54Configuring Port ParametersTo configure the parameter settings for a port on the stack, perform the following procedure: 1. From

AT-S41 User’s Guide55TypeThe port types. Ports 1-48 are 10/100Base-TX and can operate at 10/100 Mbps. Ports 49-50 are 1000Base-TX and can operate at 1

AT-S41 User’s Guide56Possible values are:Enabled - The port is allowed to use flow control. This is the default setting for all of the ports on the st

AT-S41 User’s Guide57Configuring Gigabit Port TypePorts 49 and 50 can operate as either GBIC ports or as 10/100/1000 Mbps twisted pair ports. The defa

AT-S41 User’s Guide586. Enter your selection. Type G to make the port a GBIC port or T to make the port a twisted pair port.The port type change is di

59Chapter 6Port SecurityThis chapter contains the procedures for setting port security. The sections in this chapter include:❑ Port Security Overview

6Chapter 17Management Software Updates ...

AT-S41 User’s Guide60Port Security OverviewThe port security feature can enhance the security of your network. You can use the feature to control the

AT-S41 User’s Guide61The MAC aging time is disabled under this security level. The dynamic MAC addresses learned on a port and added to the MAC addres

AT-S41 User’s Guide62Configuring Port SecurityTo set a port’s security level, perform the following procedure:1. From the Main Menu, type A to select

AT-S41 User’s Guide636. Select the desired security level.❑ To disable security on the port, type N to select Normal mode. This is the default securit

AT-S41 User’s Guide64Setting a ThresholdThe Limited security mode lets you set a maximum number of dynamic MAC addresses a port on a switch can learn.

AT-S41 User’s Guide65Setting Intrusion DetectionThe Limited and Secure security modes let you determine how the switch responds when it receives MAC a

66Chapter 7Port TrunkingThis chapter contains the procedures for configuring port trunks. Sections in the chapter include:❑ Port Trunking Overview on

AT-S41 User’s Guide67Port Trunking OverviewPort trunking is an economical way for you to increase the bandwidth between two Ethernet switches. A port

AT-S41 User’s Guide68automatically disabled and the speed/duplex mode is automatically set to 100Mbps full-duplex for Ports 1-48 and 1000Mbps full-dup

AT-S41 User’s Guide69The example in Figure 19 shows a port trunk of four data links between an AT-8350GB switch and an AT-8326GB switch.Figure 19 Por

7Chapter 25Virtual LANs ...

AT-S41 User’s Guide70Creating a Port TrunkThis section contains the procedure for creating a port trunk on a stack. Be sure to review the guidelines i

AT-S41 User’s Guide714. From the Trunk Configuration Menu, type A to select Add Trunk Member.The following prompt is displayed:Enter trunk group numbe

AT-S41 User’s Guide72Deleting a Port TrunkCautionDisconnect the cables from the port trunk on the switch before performing the following procedure. Re

AT-S41 User’s Guide73Setting Port Trunk StatusTo enable or disable a port trunk, perform the following procedure:1. From the Main Menu, type A to sele

74Chapter 8Port MonitoringThis chapter contains the procedures for configuring port monitoring. Sections in the chapter include:❑ Port Monitoring Over

AT-S41 User’s Guide75Port Monitoring OverviewThe port monitoring feature allows you to unobtrusively monitor the traffic being received and transmitte

AT-S41 User’s Guide76Enabling Port MonitoringTo enable port monitoring, perform the following procedure:1. From the Main Menu, type A to select Advanc

AT-S41 User’s Guide775. Type M to select Set Monitored Port. The following prompt is displayed:Set monitored port->Enter port number>6. Enter th

AT-S41 User’s Guide78Modifying Port MonitoringTo modify the port monitoring configuration, perform the following procedure:1. From the Main Menu, type

AT-S41 User’s Guide79Disabling Port MonitoringTo disable port monitoring, perform the following procedure:1. From the Main Menu, type A to select Adva

8List of FiguresFigure 1: Connecting a Terminal or PC to the RS232 Terminal Port ...

80Chapter 9Spanning Tree ProtocolThis chapter provides introductory information on the Spanning Tree Protocol (STP) and explains how to adjust the STP

AT-S41 User’s Guide81STP OverviewThe AT-8350GB Fast Ethernet switch supports the Spanning Tree Protocol, as specified in the IEEE 802.1D standard. STP

AT-S41 User’s Guide82Finding andResolvingRedundantPathsOnce the root bridge has been selected, the bridges must determine if the network contains redu

AT-S41 User’s Guide83It might take time for the root bridge to notify all bridges that a topology change has occurred, especially if it is a large net

AT-S41 User’s Guide84Configuring a Bridge’s STP SettingsThis section contains the procedure for configuring a bridge’s STP settings.CautionSTP on a br

AT-S41 User’s Guide85Enable/Disable [S]TPEnables and disables STP on the switch. The default setting is disabled.Set Bridge Pr[i]orityThe priority num

AT-S41 User’s Guide86Configuring STP Port SettingsTo configure the STP port parameters, perform the following procedure:1. From the Main Menu, type B

AT-S41 User’s Guide87Set Path [C]ostSets the cost parameter used in deciding which port provides the lowest cost path to the root bridge for that LAN.

88 Chapter 10Virtual LANsThis chapter contains basic information about virtual LANs (VLANs). It also contains the procedures for creating, modifying,

AT-S41 User’s Guide89VLAN OverviewA VLAN is a group of ports on an Ethernet switch that forms a logical Ethernet segment. A VLAN can consist of all th

9Figure 38: HyperTerminal Menu ...

AT-S41 User’s Guide90employee changed departments, changing the employee’s LAN segment assignment might require a change to the wiring at the switches

AT-S41 User’s Guide91VLAN ModifiersThe parts that make up a VLAN are: ❑ VLAN name❑ VLAN Identifier❑ Untagged ports❑ Tagged ports❑ Port VLAN Identifier

AT-S41 User’s Guide92In a VLAN that consists of only untagged ports, port membership is determined by what is referred to as the port VLAN identifier

AT-S41 User’s Guide93Tagged PortsThe second type of port that can be a member of a VLAN is called a tagged port. There are several principal differenc

AT-S41 User’s Guide94A VLAN that contains only tagged frames or that contains a combination of tagged and untagged ports is referred to as a tagged VL

AT-S41 User’s Guide95Creating a VLANThe procedure for creating a new VLAN is divided into the following phases: ❑ Phase 1: Assigning a VID and name an

AT-S41 User’s Guide963. From the VLAN Management Menu, select C for Create VLAN.The VLAN Creation Menu is displayed in Figure 25.Figure 25 VLAN Creat

AT-S41 User’s Guide97The name should reflect the function of the end nodes that will be a part of the VLAN (for example, Sales or Accounting). The nam

AT-S41 User’s Guide981. From the VLAN Creation Menu, type Q to select Quit to Previous Menu.The VLAN Management Menu is displayed again.2. Type S to s

AT-S41 User’s Guide995. Enter the port number whose PVID you want to change. A prompt similar to the following is displayed:Enter PVID for port 1>6