Allied-telesis AT-S41 Manual de usuario

Management SoftwareAT-S41◆User’s GuideFOR THE AT-8326GB FAST ETHERNET SWITCHVERSION 1.0®PN 613-50283-00 Rev B

10PrefaceThis guide contains instructions on how configure the AT-8326GB Fast Ethernet switch using the AT-S41 management software.How This Guide is O

AT-S41 User’s Guide100This 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 Guide101Viewing or Modifying a Tagged or Untagged VLANThere are two phases to modifying a VLAN. You might need to perform both phases or

AT-S41 User’s Guide102The 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 Guide103a. Type I to choose Select Stack ID and enter the number of the switch in the stack containing ports that you want to add or rem

AT-S41 User’s Guide104This 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 Guide105Deleting a Tagged or Untagged VLANTo delete a VLAN, perform the following procedure:1. From the Main Menu, type A to select the

AT-S41 User’s Guide106Port-based VLAN Mode OverviewThe AT-8326GB switch features a special Port-based VLAN mode. This VLAN mode allows you to create V

AT-S41 User’s Guide107Creating a Port-based VLANTo create a new port-based VLAN, perform the following procedure:NoteThis procedure assumes that the s

AT-S41 User’s Guide1085. Type I to select Set VLAN ID/Index.The following prompt is displayed:Enter VLAN ID ->Enter VLAN ID >6. Enter a unique V

AT-S41 User’s Guide109NoteThe ports that you just added to the new VLAN are not removed from their current VLAN assignments. You must remove the ports

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

AT-S41 User’s Guide110Modifying a Port-based VLANThe following procedure explains how to change the name of a port-based VLAN, as well as add or remov

AT-S41 User’s Guide1115. To modify the VLAN, use the commands at the bottom of the screen.The commands are described below:[C]hange a VLAN NameThis co

AT-S41 User’s Guide112Setting 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 Guide113Resetting the VLAN Parameters to DefaultThis command deletes all VLANs that you created. All ports are returned back to the Defa

AT-S41 User’s Guide114Setting the VLAN TypeThe AT-8326GB switch can operate in either the 802.1Q VLAN mode for creating tagged and untagged VLANs or t

115Chapter 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 Guide116MAC 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 Guide117on which the packet was received. This prevents packets from being forwarded onto inappropriate LAN segments and increases netwo

AT-S41 User’s Guide118Displaying MAC AddressesTo display the MAC address table, perform the following procedure:1. From the Main Menu, type B to selec

AT-S41 User’s Guide119The management software displays the MAC addresses based on your selection. Figure 32 is an example of the Display MAC Address b

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 Guide120Viewing MAC Addresses by PortThis section contains the procedure for viewing the dynamic MAC addresses that have been learned on

AT-S41 User’s Guide121Viewing the MAC Addresses by MACThis section contains the procedure for viewing the dynamic MAC addresses learned on the ports o

AT-S41 User’s Guide122Viewing 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 Guide123Adding Static MAC AddressesThe management software allows you to assign up to 256 static MAC addresses on an AT-8326GB Fast Ethe

AT-S41 User’s Guide124Deleting 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 Guide125Changing the Aging TimeThe switch uses the aging time to delete inactive dynamic MAC addresses from the MAC address table. When

126Chapter 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 Guide127Quality of Service OverviewThe AT-8326GB switch supports QoS as specified in the IEEE 802.1p and 802.1Q standards. QoS can be im

AT-S41 User’s Guide128Configuring QoSTo configure QoS on the switch, perform the following procedure:1. From the Main Menu, type A to select Advanced

AT-S41 User’s Guide1296. Enter a traffic class.The following prompt is displayed, where X equals the traffic class specified in the last step.Enter qu

AT-S41 User’s Guide13Contacting Allied Telesyn Technical SupportThis section provides Allied Telesyn contact information for technical support as well

130Chapter 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 Guide131IGMP Snooping OverviewThe Internet Group Management Protocol (IGMP) enables routers to create lists of end nodes that want to re

AT-S41 User’s Guide132Activating IGMP SnoopingTo enable or disable IGMP snooping on the switch and to configure IGMP snooping parameters, perform the

AT-S41 User’s Guide133This parameter also specifies the time interval used by the switch in determining whether a multicast router is still active. Th

AT-S41 User’s Guide134Viewing 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 Guide135Group MembersThe port(s) on the switch to which one or more host nodes of the multicast group are connected.VLAN IDThe VLAN ID o

136Chapter 14Broadcast Storm ControlThis chapter contains the procedures for configuring the broadcast storm control feature of the AT-S41 management

AT-S41 User’s Guide137Broadcast Storm Control OverviewMost frames on an Ethernet network are unicast frames. A unicast frame is sent to a single desti

AT-S41 User’s Guide138Activating Broadcast Storm ControlTo activate the Broadcast Storm Control feature for the switch, perform the following procedur

139Chapter 15Port StatisticsThis chapter contains the procedure for displaying data traffic statistics. This chapter includes the following section:❑

AT-S41 User’s Guide14Obtaining Management Software UpdatesNew releases of management software for our managed products can be downloaded from the Alli

AT-S41 User’s Guide140Displaying Port StatisticsTo display Ethernet port statistics, perform the following procedure:1. From the Main Menu, type S to

AT-S41 User’s Guide141The Statistics Menu for a selected port is displayed in Figure 37.Figure 38 Port Statistics MenuThe information in the Statisti

AT-S41 User’s Guide142Oversize Packets Number of packets exceeding the maximum specified by IEEE 802.3 (1518 bytes including the CRC) received on the

143Chapter 16Management 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 Guide144Obtaining Software UpdatesNew releases of the AT-S41 management software are available from the Allied Telesyn web site at www.a

AT-S41 User’s Guide145Downloading New Management Software from a Local Management SessionThis section contains the procedure for downloading a new ver

AT-S41 User’s Guide146The XModem Software Upgrade Menu is displayed in Figure 39.Figure 39 XModem Software Upgrade Menu5. Type U to select Upgrade Im

AT-S41 User’s Guide147The Send File pop-up window is displayed in Figure 41. Figure 41 Send File Window9. Click the Browse button on the Send File wi

AT-S41 User’s Guide148Downloading a New Management Software Image Using TFTPTFTP software is available from various sources and is included in SNMP wh

AT-S41 User’s Guide149The TFTP Software Upgrade Menu is displayed in Figure 43.Figure 43 TFTP Software Upgrade MenuYou will need to provide the follo

15Section IOverviewThe chapters in this section provide an overview of the AT-S41 management software on the AT-8326GB Fast Ethernet switch. They revi

AT-S41 User’s Guide150The following prompt is displayed: Download file (Y/N)> 8. Type Y to select Yes.The software immediately begins to download o

151Section IIIWeb Browser ManagementThe chapters in this section explain how to manage an AT-8326GB Fast Ethernet switch using a Web browser. The chap

152Chapter 17Starting a Web Browser Management SessionThis chapter contains the procedure for starting a management session on an AT-8326GB stack usin

AT-S41 User’s Guide153Starting a Web Browser Management SessionThis section explains how to start a Web browser management session. NoteIn order for y

AT-S41 User’s Guide154The management software home page will appear, as displayed in Figure 45.Figure 45 Management Software Home PageThis is the hom

AT-S41 User’s Guide155Browser Tools You can use your browser’s bookmark feature to remember frequently-used menu pages. Quitting from aWeb BrowserMana

156Chapter 18Basic 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-8326GB

AT-S41 User’s Guide158System IP AddressThis parameter specifies the IP address of the switch. You must specify an IP address if you intend to remotely

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

16Chapter 1Management Software OverviewThe AT-S41 management software is intended for the AT-8326GB Fast Ethernet switch. The software allows you to a

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 Trap Receivers: IP AddressAllows you to add up to four SNMP trap receivers. SNMP Trap Receivers: CommunityAllows you to add

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

AT-S41 User’s Guide17There are four different types of management sessions that you can use to access the AT-S41 management software on an AT-8326GB F

AT-S41 User’s Guide1704. To view the ping results, click the Show Ping Results button.The Ping Test Result page is displayed, as shown in Figure 54.Fi

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 19Port 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 1-24 are 10/100Base-TX and can operate at 10/100 Mbps. Ports 25-26 are 1000Base-TX and can operate at

AT-S41 User’s Guide176Possible values are:Enabled - The port is allowed to use flow control. This is the default setting for all of the ports on the s

AT-S41 User’s Guide177Configuring Gigabit Port TypePorts 25 and 26 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 59.Figure 59 Configuration of a Port This

AT-S41 User’s Guide18Local Management SessionYou establish a local management session with an AT-8326GB Fast Ethernet switch by connecting either a te

AT-S41 User’s Guide180port to resume normal operation. You can also disable an unused port to secure it from unauthorized connections. Possible values

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 20Port 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 21Port 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 Guide1892. To create a port trunk, do the following:a. Check the ports that will make up the port trunk. A port trunk can contain up to

AT-S41 User’s Guide19Telnet Management SessionAny management workstation on your network that has the Telnet application protocol can be used to manag

190Chapter 22Port 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 23Spanning Tree ProtocolThis chapter explains how to configure the STP bridge parameters on an AT-8326GB 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 Guide196NotePort priority cannot be set on ports that are part of a trunk group. Path CostThe spanning tree algorithm uses the cost para

197Chapter 24Virtual LANsThis chapter explains how to create, modify, and delete VLANs. This chapter also explains how to change a switch’s VLAN opera

AT-S41 User’s Guide198Creating a Tagged or Untagged VLANThe procedure for creating a new VLAN is divided into the following phases: ❑ Phase 1: Assigni

AT-S41 User’s Guide199Phase 1 This phase assigns a VID and a name to your VLAN and also designates the VLAN port members. 1. Click on the Advanced Con

Copyright © 2003 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 Guide20Web 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 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 to creating a new VLAN converts the tagged ports that you added to the new VLAN into untagged ports. This pro

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 Tagged or Untagged VLANThere are two phases to modifying a VLAN. You might need to perform both phases or

AT-S41 User’s Guide204The VLAN Create/Modify page will appear, as displayed in Figure 70.Figure 70 VLAN Create/Modify (802.1Q VLANs)The rows on the p

AT-S41 User’s Guide2053. To add a tagged port to the VLAN, click the Tagged radio button of the port.NoteYou cannot add untagged ports to a VLAN from

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 Guide207For 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 Guide208Deleting a Tagged or Untagged VLANTo delete a VLAN, perform the following procedure:1. Click on the Advanced Config menu tab and

AT-S41 User’s Guide209Creating a Port-based VLANTo create a port-based VLAN, perform the following procedure:NoteThis procedure assumes that the switc

AT-S41 User’s Guide21SNMP Management SessionAnother way to remotely manage an AT-8326GB switch is with an SNMP management program, such as HP Openview

AT-S41 User’s Guide210NoteThe ports that you just added to the new VLAN are not removed from their current VLAN assignments. You must remove the ports

AT-S41 User’s Guide211Viewing or Modifying a Port-based VLANTo view the configuration of a port-based VLAN or to modify a VLAN, such as to add or remo

AT-S41 User’s Guide212The page indicates which ports in the stack are members of the VLAN. A check in a check box indicates that the port is a VLAN me

AT-S41 User’s Guide213Setting the VLAN TypeAn AT-8326GB stack can operate in either the 802.1Q VLAN mode for creating tagged and untagged VLANs or the

214Chapter 25MAC 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 Guide215Viewing the MAC Address by PortThis section contains the procedure for viewing the dynamic MAC addresses that have been learned

AT-S41 User’s Guide216Viewing the MAC Addresses by MACThis section contains the procedure for viewing the dynamic MAC addresses that have been learned

AT-S41 User’s Guide2173. 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 Guide218Viewing 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 Guide2192. 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

22Chapter 2StackingThis chapter explains the stacking features of the AT-8326GB switch. The sections in this chapter include:❑ Stacking Overview on pa

AT-S41 User’s Guide220Adding Static MAC AddressesThe management software allows you to assign up to 256 static MAC addresses on an AT-8326GB switch.To

AT-S41 User’s Guide221Deleting Static MAC AddressesTo delete a static MAC address, perform the following procedure:1. Click on the Basic Config menu t

222Chapter 26Quality of ServiceThis chapter contains instructions on how to configure QoS. This chapter contains the following procedure:❑ Configuring

AT-S41 User’s Guide223Configuring QoSNoteQuality of Service is not supported in port-based VLAN mode.To configure QoS, perform the following procedure

AT-S41 User’s Guide224NoteThe tagged information in a frame is not changed as the frame traverses the switch. A tagged frame exits the switch with the

225Chapter 27IGMP SnoopingThis chapter explains how to activate and configure the IGMP snooping feature on the switch. Sections in the chapter include

AT-S41 User’s Guide226Activating IGMP SnoopingTo enable or disable IGMP snooping on the switch and to configure IGMP snooping parameters, perform the

AT-S41 User’s Guide227VIDThe 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 Guide228Viewing Group MembersYou can use the AT-S41 software to display a list of the members of each multicast group on a switch. To di

229Chapter 28Broadcast Storm Control This chapter contains instructions on how to configure the broadcast storm control feature on the switch.NoteFor

AT-S41 User’s Guide23Stacking OverviewThe stacking feature can make it easier for you to manage the AT-8326GB switches in your network. It offers the

AT-S41 User’s Guide230Activating Broadcast Storm Control and Setting a ThresholdTo activate broadcast storm control and set a threshold, perform the f

231Chapter 29Management 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 Guide232Obtaining Software UpdatesNew releases of the AT-S41 management software are available from the Allied Telesyn Web site at www.a

AT-S41 User’s Guide233Downloading a New Management Software Image Using TFTPTFTP software is available from various sources and is included in SNMP wh

AT-S41 User’s Guide234The parameters on the Image Upgrade page are defined below: Image Version/DateThe software version and date currently on the swi

235Appendix 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 Guide236Port Trunking DisabledPorts 25 and 26Port Type (GBIC or Twisted Pair) Twisted PairVLANsPort-based and Tagged VLANs EnabledDefaul

AT-S41 User’s Guide24Stacking and the Management SoftwareIf you are using the stacking feature of the AT-8326GB switch, the first thing that you shoul

25Section IILocal and Telnet ManagementThe chapters in this section explain how to manage an AT-8326GB Fast Ethernet switch from a local or Telnet man

26Chapter 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 Guide27Local Management SessionOn the front panel of the AT-8326GB switch is an RS232 terminal port. You use this port to establish a lo

AT-S41 User’s Guide28Starting a LocalManagementSessionTo start a local management session, perform the following procedure:1. Connect one end of the n

AT-S41 User’s Guide29NoteThese are the default settings for the RS232 terminal port. They are for a DEC VT100 or ANSI terminal, or an equivalent termi

3Table of ContentsTable of Contents ...

AT-S41 User’s Guide30Quitting 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 Guide31Telnet Management SessionYou can use the Telnet application protocol from a workstation on your network to manage an AT-8326GB st

32Chapter 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 Guide33When Does an AT-8326GB 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 Guide34Configuring an IP AddressThe procedure in this section explains how to manually assign an IP address, subnet mask, and gateway ad

AT-S41 User’s Guide35Subnet [M]askThis command specifies a subnet mask for the stack. Default [G]ateway AddressThis command specifies the default rout

AT-S41 User’s Guide36Configuring System Administration InformationThe procedure in this section explains how to assign a name to the switch, along wit

AT-S41 User’s Guide37NoteIt is advised that you assign each stack a name. The names can help you identify the various stacks when you manage them and

AT-S41 User’s Guide38Setting the User Interface ConfigurationThe procedure in this section explains how to set the AT-S41 user interface security feat

AT-S41 User’s Guide39the local management station after the specified period of time. This security feature can prevent unauthorized individuals from

4Telnet Management Session ...

AT-S41 User’s Guide40Enable/Disable [S]NMP AgentThis command allows you to disable the SNMP management feature on the stack, and so prevent individual

AT-S41 User’s Guide41Activating DHCP This application protocol was developed to simplify network management. It is used to automatically assign IP con

AT-S41 User’s Guide42Configuring SNMP Community Strings and Trap IP AddressesTo configure the SNMP community strings for the stack and to assign up to

AT-S41 User’s Guide43Enable/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 Guide44Resetting the Management Software Default ValuesThe procedure in this section returns all management parameters in a stack to the

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 Guide46Viewing the AT-S41 Switch InformationThe procedure in this section explains how to display general information about the stack, i

AT-S41 User’s Guide47Ping ExecutionTo configure the ping execution settings on the switch, perform the following procedure:1. From the Main Menu, type

AT-S41 User’s Guide484. Select one of the two ping test options by typing the corresponding bracketed letter: Execute Ping or Stop Ping.[E]xecute Ping

AT-S41 User’s Guide49Bootstrap ConfigurationThe bootstrap feature allows you to download new software and configuration settings when you boot up the

5Chapter 10Virtual LANs ...

AT-S41 User’s Guide50RemoteIf you choose the remote boot load mode, the stack downloads software from a TFTP server and boots using the newly download

AT-S41 User’s Guide51Set [F]ile TypeIf you selected the remote boot load mode, you can choose what kind of files the switch will download while it is

52Chapter 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 Guide53Configuring Port ParametersTo configure the parameter settings for a port on the stack, perform the following procedure: 1. From

AT-S41 User’s Guide54TypeThe port types. Ports 1-24 are 10/100Base-TX and can operate at 10/100 Mbps. Ports 25-26 are 1000Base-TX and can operate at 1

AT-S41 User’s Guide55Possible 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 Guide56Configuring Gigabit Port TypePorts 25 and 26 can operate as either GBIC ports or as 10/100/1000 Mbps twisted pair ports. The defa

AT-S41 User’s Guide576. 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

58Chapter 6Port SecurityThis chapter contains the procedures for setting port security. The sections in this chapter include:❑ Port Security Overview

AT-S41 User’s Guide59Port Security OverviewThe port security feature can enhance the security of your network. You can use the feature to control the

6Obtaining Software Updates ...

AT-S41 User’s Guide60The 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 Guide61Configuring 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 Guide626. 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 Guide63Setting 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 Guide64Setting Intrusion DetectionThe Limited and Secure security modes let you determine how the switch responds when it receives MAC a

65Chapter 7Port TrunkingThis chapter contains the procedures for configuring port trunks. Sections in the chapter include:❑ Port Trunking Overview on

AT-S41 User’s Guide66Port Trunking OverviewPort trunking is an economical way for you to increase the bandwidth between an AT-8326GB switch and anothe

AT-S41 User’s Guide67❑ When cabling a trunk, the order of the connections should be maintained on both nodes. The lowest numbered port in a trunk on t

AT-S41 User’s Guide68You can also use port trunks to increase the bandwidth between switches. The example in Figure 19 shows a port trunk of four data

AT-S41 User’s Guide69Creating a Port TrunkThis section contains the procedure for creating a port trunk on a stack. Be sure to review the guidelines i

7Viewing or Modifying a Tagged or Untagged VLAN ...

AT-S41 User’s Guide703. Type I to choose Select Stack ID and enter the ID number of the switch in the stack where you want to create the port trunk. (

AT-S41 User’s Guide71Deleting a Port TrunkCautionDisconnect the cables from the port trunk on the switch before performing the following procedure. Re

AT-S41 User’s Guide72Setting Port Trunk StatusTo enable or disable a port trunk, perform the following procedure:1. From the Main Menu, type A to sele

73Chapter 8Port MonitoringThis chapter contains the procedures for configuring port monitoring. Sections in the chapter include:❑ Port Monitoring Over

AT-S41 User’s Guide74Port Monitoring OverviewThe port monitoring feature allows you to unobtrusively monitor the traffic being received and transmitte

AT-S41 User’s Guide75Enabling Port MonitoringTo enable port monitoring, perform the following procedure:1. From the Main Menu, type A to select Advanc

AT-S41 User’s Guide765. 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 Guide77Modifying Port MonitoringTo modify the port monitoring configuration, perform the following procedure:1. From the Main Menu, type

AT-S41 User’s Guide78Disabling Port MonitoringTo disable port monitoring, perform the following procedure:1. From the Main Menu, type A to select Adva

79Chapter 9Spanning Tree ProtocolThis chapter provides introductory information on the Spanning Tree Protocol (STP) and explains how to adjust the STP

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

AT-S41 User’s Guide80STP OverviewThe AT-8326GB Fast Ethernet switch supports the Spanning Tree Protocol, as specified in the IEEE 802.1D standard. STP

AT-S41 User’s Guide81Finding andResolvingRedundantPathsOnce the root bridge has been selected, the bridges must determine if the network contains redu

AT-S41 User’s Guide82The cost of a path is cumulative; the final cost of a path is the value of all ports between a bridge and the root bridge. If two

AT-S41 User’s Guide83The root bridge will periodically transmit a BPDU to determine whether there have been any changes to the network topology and to

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 Guide86Spanning Tree [P]ort ConfigurationAllows configuration of Port Priority, Path Cost, Trunk Priority, and Trunk Path Cost. Refer to

AT-S41 User’s Guide87Configuring STP Port SettingsTo configure the STP port parameters, perform the following procedure:1. From the Main Menu, type B

AT-S41 User’s Guide88Set Path [C]ostSets the cost parameter used in deciding which port provides the lowest cost path to the root bridge for that LAN.

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

9Figure 38: Port Statistics Menu ...

AT-S41 User’s Guide90VLAN OverviewA VLAN is a group of ports on an Ethernet switch that form a logical Ethernet segment. The ports of a VLAN form an i

AT-S41 User’s Guide91But with VLANS, you can change the LAN segment assignment of an end node connected to the switch through the switch’s AT-S41 mana

AT-S41 User’s Guide92Tagged and Untagged VLAN OverviewAs explained in the VLAN Overview section, a VLAN consists of a group of ports on one or more Et

AT-S41 User’s Guide93Untagged andTagged PortsThere are two kinds of ports that you can assign to an IEEE 802.1Q-compliant VLAN: tagged ports and untag

AT-S41 User’s Guide94explained next, where VLAN membership is determined by information within the frames themselves.) Frames received on untagged por

AT-S41 User’s Guide95Tagged VLANs are also useful where multiple VLANs span across switches. You can use one port per switch for connecting all VLANs

AT-S41 User’s Guide96Creating a Tagged or Untagged VLANThe procedure for creating a new VLAN is divided into the following phases: ❑ Phase 1: Assignin

AT-S41 User’s Guide97NoteCheck to make sure the VLAN Type is set to 802.1Q. 802.1Q is the default VLAN Type. You can create tagged and untagged VLANs

AT-S41 User’s Guide986. Type N to select Set VLAN Name.The following prompt is displayed:Enter VLAN Name ->Enter VLAN Name >7. Enter a VLAN name

AT-S41 User’s Guide99However, it is important to note that, by default, all of the ports that you just added to the new VLAN are tagged ports, meaning