Allied-telesis AT-S20 Manual do Utilizador

Management SoftwareAT-S20◆User’s GuideFor use with the AT-3726XL, AT-3716XL, AT-3714FXL, AT-3726 and AT-3714F SwitchesVersion 3.1PN 613-10773-00 Rev.

Document ConventionsPreface-iv❑For generic (dumb terminal) terminal configuration:❑Selecting a configuration:Omega denotes a default configuration by

Port Numbering6-263RUW#1XPEHULQJTable 6-2 shows the port numbers for the switch.Table 6-2Port NumberingSwitch Port # Port TypeAT-3726XL, AT-37261-24 1

AT-S20 User’s Guide6-27Selecting a port number, for example, 1, from the list displays the port configuration screen for Port 1, as shown in Figure 6-

Statistics: Received and Transmitted Ethernet Frames6-286WDWLVWLFV=#5HFHLYHG#DQG#7UDQVPLWWHG#(WKHUQHW#)UDPHV0HQX1#Ethernet statisticsYou can view stat

AT-S20 User’s Guide6-29The graph shows the types of frames received by the switch over a period since the switch’s last reset or since the counters ha

Statistics: Received and Transmitted Ethernet Frames6-30Table 6-3Received FramesFrame Type DescriptionReceived Good FramesTotal number of frames recei

AT-S20 User’s Guide6-314. Select Transmit Statistics to display the Transmit Statistics Graph, as shown in Figure 6-28. Figure 6-28Transmitted Frames

Statistics: Received and Transmitted Ethernet Frames6-32The graph shows the types of frames transmitted by the switch over a period since the switch’s

AT-S20 User’s Guide6-339LHZLQJ#3RUW6WDWLVWLFV1. Select Ethernet statistics, then select Receive Statistics Graph.2. Select Individual port overview to

Statistics: Received and Transmitted Ethernet Frames6-34The graph shows the frames Port 1 has received over a period since the switch’s last reset or

AT-S20 User’s Guide6-358VLQJ#WKH#*UDSKVDV#D#0RQLWRULQJDQG#'LDJQRVWLFV7RRO1. Display any of the Ethernet statistics graphs by selecting Ethernet s

AT-S20 User’s GuidePreface-vThe default selection in a DEC VT100 terminal configuration also appears darker. If you change the option, Omega changes t

7-1&KDSWHU :'LDJQRVWLFVThis chapter describes the following topics:❑Resetting the Switch on page 7-2❑Running Diagnostics on page 7-3❑Getting

Resetting the Switch7-25HVHWWLQJ#WKH#6ZLWFK0HQX1Administration> Reset and restart the systemYou reset the switch:❑As a first attempt to fix an erro

AT-S20 User’s Guide7-35XQQLQJ#'LDJQRVWLFV0HQX1Administration> Diagnostics Select Diagnostics from the System Administration Menu to display th

Getting Help7-4*HWWLQJ#+HOSContact Allied Telesyn’s technical support at www.alliedtelesyn.com. Be prepared to give the following information:❑Serial

AT-S20 User’s Guide7-55HVHWWLQJ#6WDWLVWLFV#&RXQWHUV0HQX1Ethernet statistics> Zero all statistics on the entire systemYou reset the statistics c

A-1$SSHQGL[ $6SDQQLQJ#7UHH#3URWRFROThis appendix provides a brief explanation of Spanning Tree Algorithm and its use with the switch. For detailed inf

ConceptsA-2)HDWXUHVThe switch provides the following STP features:❑Compensates automatically for the failure, removal, or addition of any bridge in an

AT-S20 User’s GuideA-32SHUDWLRQVWhen spanning tree is enabled for the first time or when the network topology changes due to a failure, the addition,

Related GuidesPreface-vi5HODWHG#*XLGHVAllied Telesyn wants our customers to be well informed by providing the most up-to-date and easily accessible gu

Index-1,QGH[Aactivity monitor 4-26, 6-2address aging 4-28administration, switch, list of tasks 4-2ANSI terminal, see also DEC VT100 terminal em-ulatio

IndexIndex-2global configuration 4-33graphs, statistics, interpretation of 6-34Hhalf-duplex 4-17hello time 4-30Iintruder protection 6-12, 6-17, 6-17–6

AT-S20 User’s GuideIndex-3SSAT (Source Address Table) 6-13secure mode 6-13security 6-18Security Threshold 6-20security threshold 6-15security threshol

1-1&KDSWHU 4)HDWXUHV/#0HQX#7UHH/#DQG#'HIDXOWV6RIWZDUH#)HDWXUHVThe switches have the following major software management features:❑Supports in

Software Features1-2❑Port Trunking allows configuring of Ports A and B to function as a single uplink port which effectively increases the throughput

AT-S20 User’s Guide1-36ZLWFK#1DPLQJDQG#6HFXULW\)HDWXUHVThe switch provides configurable options for customizing for example,❑Naming the switch and its

Switch Default Settings1-46ZLWFK#'HIDXOW#6HWWLQJVTable 1-1 lists the switch default settings.Table 1-1Switch Default SettingsSettings DefaultIP A

AT-S20 User’s Guide1-56HWWLQJ#6ZLWFK#'HIDXOWVTo set your switch to the factory defaults, do the following:WarningThis operation deletes existing

Menu Tree1-60HQX#7UHHThe following illustration shows the Omega Menu tree.Figure 1-1Omega Menu Tree (1 of 2)Port status andconfigurationEnable this po

AT-S20 User’s Guide1-7Figure 1-2Omega Menu Tree (2 of 2)Traffic/Port MirroringEnabledDisabledVirtual LANPort to VLANconfigurationVirtual LAN definitio

Copyright  1998, 1999 Allied Telesyn International, Corp.960 Stewart Drive Suite B, Sunnyvale CA 94086All rights reserved. No part of this publicatio

2-1&KDSWHU 5*HWWLQJ#6WDUWHG#ZLWK#/RFDO#DQG#5HPRWH#2PHJD*HWWLQJ#6WDUWHG#ZLWK#/RFDO#2PHJDTo locally managing your switch, simply connect a terminal

Getting Started with Local Omega2-26WDUWLQJ#DQ2PHJD#6HVVLRQOnce you have established a connection to the switch, the Omega Main Menu displays. The ban

AT-S20 User’s Guide2-3(QWHULQJ#DQ#,3$GGUHVVIf you have a TCP/IP network but do not have a BootP server, or DHCP server, you must enter an IP address a

Remote Management Requirements2-45HPRWH#0DQDJHPHQW#5HTXLUHPHQWVYou can remotely manage your switch, but first you must have one of the following:❑The

AT-S20 User’s Guide2-57&32,3#ZLWKRXW%RRW3To manage the switch using SNMP, Telnet or web browser, you must at least enter the IP address and subnet

3-1&KDSWHU 6*HWWLQJ#6WDUWHG#:LWK#%UR Z VHU#0DQDJHPHQW%URZVHU#5HTXLUHPHQWVTo use AT-S20 software via a browser, you need the following:❑A computer

Starting a Browser Session3-26WDUWLQJ#D#%URZVHU#6HVVLRQTo access the switch using your browser, do the following:1. If your network is using a proxy s

AT-S20 User’s Guide3-31DYLJDWLQJ#$URXQG#WKH#6ZLWFKThe switch’s front panel is active. You can click anywhere on the switch and a menu or table display

iii7DEOH#RI#&RQWHQWVPreface ...

Navigating Around the Switch3-4If you click any other area other than a specified port on the switch’s front panel, the following table displays.Figur

4-1&KDSWHU 7&RQILJXUDWLRQ#DQG#$GPLQLVWUDWLRQThis chapter describes the management tasks according to switch, configuration, port configuration

4-2Administration covers the following topics:❑Pinging a Remote System on page 4-4❑Configuring IP Parameters on page 4-6❑Performing Software Upgrades

AT-S20 User’s Guide4-3&RQQHFWLQJ#WR#D#5HPRWH#6\VWHP0HQX1#Administration> Connect to a remote systemThis option allows you to use a AT-3726XL, A

Pinging a Remote System4-43LQJLQJ#D#5HPRWH#6\VWHPTo ping a remote system, use the PING facility to test the reachability of receiving systems by sendi

AT-S20 User’s Guide4-5(QDEOLQJ#RU#'LVDEOLQJ#D#3RUW0HQX1#Port status and configuration> <Port Number>Ports are enabled as a default.Disab

Configuring IP Parameters4-6&RQILJXULQJ#,3#3DUDPHWHUV0HQX1#System Configuration> IP parametersThis option applies to TCP/IP based networks only

AT-S20 User’s Guide4-7IP address - This address is required.Subnet mask - This is required.Gateway address - This address is required if you need to s

Naming the Switch4-8Contact - You may enter a text string to indicate the name, phone number, and other useful information to help identify the person

AT-S20 User’s Guide4-9The system administration menu displays with the switch’s name displayed at the top of the screen.3. Select Return to Main Menu.

Table of ContentsivChapter 3Getting Started With Browser Management ...

Naming the Switch4-10&KDQJH2'HOHWHWKH#6ZLWFK#1DPH1. Select System configuration> System name to display the switch’s current name.2. Remov

AT-S20 User’s Guide4-111DPLQJ#WKH#3RUW0HQX1#Port status and configuration> <Port Number>Depending on the model, the switch has the following

Naming the Port4-12The port configuration screen is partially shown.3. Enter a port name. Then press RETURN.NoteEnter a name of up to 20 characters, f

AT-S20 User’s Guide4-13&KDQJLQJ#RU'HOHWLQJ#D#3RUW1DPH1. Select Port status and configuration to display the list of ports.2. Select a port nu

Assigning a Password to the Switch4-14$VVLJQLQJ#D#3DVVZRUG#WR#WKH#6ZLWFK0HQX 1#System configuration> Omega options> PasswordAssigning a password

AT-S20 User’s Guide4-15(QDEOLQJ#6WRUH 0DQG0IRUZDUG#RU#&XW0WKURXJK#+)UDJPHQW0)UHH,0HQX1#Port Status and configuration<PortNumber>Forwarding m

Enabling Store-and-forward or Cut-through (Fragment-Free)4-16Cut-through (fragment-free). This option is available for non-XL versions only. In this m

AT-S20 User’s Guide4-17(QDEOLQJ#$XWR01HJRWLDWH2+DOI0'XSOH[2)XOO0'XSOH[0HQX1#Port status and configuration> <Port Number>The port’s

Enabling Transmit Pacing4-18NoteMake sure that both ends of the connect are set to the same mode. If only one end of the connection is capable of auto

AT-S20 User’s Guide4-196HWWLQJ#8S#D#974330HQX1#System configuration> Terminal configuration>VT100-compatible/ANSIThe system displays the default

AT-S20 User’s GuidevChapter 5Virtual LAN Configuration ...

Setting Up a VT1004-206HWWLQJ#%DXG5DWHV0HQX1#System configuration> Terminal Configuration> Generic dumb terminal> (Data rate baud rate)...Not

AT-S20 User’s Guide4-216HWWLQJ#7LPH#2XW#3URWHFWLRQ0HQX1#System configuration> Omega OptionsA timeout value is one way to protect the switch from un

Enabling/Disabling Omega Access4-22(QDEOLQJ2'LVDEOLQJ#2PHJD#$FFHVV/RFDO#2PHJDThe default for Local Omega is Enabled. This means you can access th

AT-S20 User’s Guide4-23(QDEOLQJ2'LVDEOLQJ#%DFNSUHVVXUHThis feature is available for the XL versions only. For backpressure to be implemented, the

Performing Software Upgrades Via TFTP4-243HUIRUPLQJ#6RIWZDUH#8SJUDGHV#9LD#7)73You can download software upgrades from a switch to one or more switches

AT-S20 User’s Guide4-25'RZQORDGLQJIURP#2Q H#6ZLWFKWR#$QRWKHU0HQX1#Administration> Update software in another systemFollow this procedure:❑To d

Performing Software Upgrades Via TFTP4-26%URDGFDVW8SGDWH G #6RIWZDUHWR#$OO#6\VWHPV0HQX1#Administration> Broadcast Updated Software to All SystemsNo

AT-S20 User’s Guide4-278VLQJ#;0RGHPWR#'RZQORDG1. Select Adminstration<XModem software update to this system. 2. Enter Yes.The above screen dis

Configuring for Bridging4-28&RQILJXULQJ#IRU#%ULGJLQJ0HQX1#BridgingThe options under the Bridging Menu item are for configuring and enabling spanni

AT-S20 User’s Guide4-29NoteAlthough defaults are adequate for most installations, changing defaults should be done only if the network administrator u

Table of ContentsviChapter 7Diagnostics ...

Configuring for Bridging4-303. Enter Max age time to get the next screen and enter the aging time in seconds at the prompt.The aging time can be from

AT-S20 User’s Guide4-31'HVLJQDWLQJ#WKH5RRW#3RUW0HQX1#Bridging> Port spanning tree configurationIn this procedure, you identify the root port a

Configuring for Bridging4-323. Select Priority to get the next screen and enter 0 as the priority number at the prompt to make Port 1 the root port. T

AT-S20 User’s Guide4-336HOHFWLQJ#*OREDO#&RQILJXUDWLRQ0HQX1#Port Status and configuration> <Port Number> >Global ConfigSelecting this o

Enabling/Disabling Port Trunking4-34(QDEOLQJ2'LVDEOLQJ#3RUW#7UXQNLQJPort Trunking configures Ports A and B to function as a single uplink port to

5-1&KDSWHU 89 LUWXDO#/$1#&RQILJXUDWLRQThis chapter introduces VLAN configuration as it applies to Allied Telesyn’s implementation of VLANs. VL

Virtual LAN Configuration5-2You can group your end stations logically through VLANs. Information exchange is confined within the members of a given VL

AT-S20 User’s Guide5-3When a port is a member of a port-based VLAN, it is internally assigned a unique Port VLAN ID or PVID. This PVID is added as a V

Virtual LAN Configuration5-4The AT-8518 is configured as follows:❑The AT-8518 will have a VLAN named “Default VLAN”. Ports 1 and 3 will be both tagged

AT-S20 User’s Guide5-5Uplink ports (15 and 10 on both switches) are used to connect the two switches. To allow VLANs to span across switches, these up

Preface-i3UHIDFH3XUSRVH#RI#7KLV#*XLGHThe purpose of this guide is to instruct network administrators on how to manage their switch by using the Omega

Virtual LAN Configuration5-6The following Omega configuration screens show VLAN and port to VLAN definitions.Figure 5-4Virtual LAN Main MenuFigure 5-5

AT-S20 User’s Guide5-7$GGLQJ#D#1HZ9/$10HQX1Virtual LANs><Virtual LAN definitions><Add new table entry> 1. Select Add new table entry>

Virtual LAN Configuration5-83. Select Return to VLAN Definition Menu. The following screen displays showing the new VLAN descriptors.Figure 5-7New VLA

AT-S20 User’s Guide5-93RUW#WR#9/$1&RQILJXUDWLRQ0HQX1Virtual LANs><Port to VLAN configuration>1. Select Port to VLAN configuration.Figure

Virtual LAN Configuration5-10'HOHWLQJ#D#3RUWIURP#D#9/$1#RU&KDQJLQJ#3RUW·V9/$1$VVLJQPHQW1. Select Port VLAN configuration from the Virtual LAN

6-1&KDSWHU 90RQLWRULQJThis chapter describes the tasks related to monitoring the switch. The tasks are shown in the following order:❑Activity Moni

Activity Monitor6-2$FWLYLW\ #0RQLWRU0HQX1#Administration> Activity MonitorThe Activity Monitor option is useful in troubleshooting or in monitoring

AT-S20 User’s Guide6-30$&#$GGUHVV#7DEOHThe MAC address table (also referred to as the forwarding table) is a snapshot of source MAC addresses that

MAC Address Table6-46KRZ#$OO#0$&$GGUHVVHVSelect MAC Address Table> Show all MAC addresses.Figure 6-3Show All MAC Addresses6KRZ#%\#3RUW0$&#$

AT-S20 User’s Guide6-5*HW#3RUW#IURP0$&#$GGUHVVUsers can enter a MAC address and the program returns the port number associated with the MAC addres

How This Guide is OrganizedPreface-ii+RZ#7KLV#*XLGH#LV#2UJDQL]HGThis guide is composed of the following sections:Chapter 1, Features, Menu Tree, and D

Static MAC Addresses6-66WDWLF#0$&#$GGUHVVHVStatic MAC addresses are associated with only one port, the port assigned to the device with that MAC a

AT-S20 User’s Guide6-76KRZ#3HU#3RUW6WDWLF#0$&$GGUHVVHV0HQX1#MAC Address Table>Per Port Static MAC Addresses> Port numberSee Figure 6-7 and F

Static MAC Addresses6-8'HOHWH2$GG#6WDWLF0$&#$GGUHVV0HQX1#MAC Address Table> Per port static MAC addresses> Port number> Add MAC addr

AT-S20 User’s Guide6-9$GG2'HOHWH#6WDWLF0$&#$GGUHVVHVDQG#6HOHFWLQJ3RUWV#IRU0XOWLFDVWV0HQX1#Multicast addresses> Add MAC address> Ports f

Static MAC Addresses6-102. As an example, enter the six digit multicast MAC address (010002 00000B) and the ports (5,10,12) that you want to receive m

AT-S20 User’s Guide6-11&OHDULQJ#6WDWLF0$&#7DEOHWhen you clear the static address table, all multicast addresses are discarded. However, if you

Security/Source Address Table6-126HFXULW\26RXUFH#$GGUHVV#7DEOH#The Security/Source Address Table menu defines two options:❑Source Address Learning Mod

AT-S20 User’s Guide6-13Table 6-1 briefly lists the options in the Security/Source Address Table menu. For complete definitions of this options, see th

Security/Source Address Table6-14Automatic: Learning On/Security OffThe automatic mode is the default setting. When in “automatic” mode, the SAT is in

AT-S20 User’s Guide6-156HFXULW\7KUHVKROGSecurity Threshold allows the user to limit or set the number of MAC addresses for any port or all ports. In a

AT-S20 User’s GuidePreface-iii'RFXPHQW#&RQYHQWLRQVThe conventions used in this guide are as follows:❑For DEC VT100 or ANSI (the default) term

Security/Source Address Table6-16Figure 6-15MAC Address Limit on Port 5Figure 6-16MAC Address Limit on All PortsAll ports with the limit of three MACA

AT-S20 User’s Guide6-17,QWUXGHU3URWHFWLRQThe Intruder Protection feature resides in the lower-half of the Security/Source Address Table menu and is sh

Security/Source Address Table6-18Disable the Port (no SNMP trap)Use this configuration when you want the switch to automatically disable the port when

AT-S20 User’s Guide6-196HWWLQJ#6HFXULW\26RXUFH#$GGUHVV#7DEOH#2SWLRQV#Security options are enabled or disabled on a system-wide basis.To set any of the

Setting Security/Source Address Table Options6-206HWWLQJ #6HFXULW\7KUHVKROG1. Select <Threshold:intruder protection when port MAC address limit exc

AT-S20 User’s Guide6-213. To apply the same number of MAC address limits to all ports, select <Apply this limit to all ports>. The following scr

Setting Security/Source Address Table Options6-22The defaults for Intruder Protection are:❑No SNMP Trap if an intruder is detected❑Port state unchange

AT-S20 User’s Guide6-230LUURU#3RUW#0HQX1#Traffic/Port MirroringThe Mirror Port allows you to monitor traffic on any port with the use of a monitoring

Mirror Port6-24The software displays a list of ports, similar to the following screen (some ports have been named in the example):4. Select Return to

AT-S20 User’s Guide6-253RUW#6WDWXV0HQX1#Port status and configurationSelecting Port Status and configuration from the Main Menu for the first time dis