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Allied Telesis
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AT-8012M
User Manual
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Allied Telesis AT-8012M, AT-8088-MT, AT-8088-SC, AT-8026FC, AT-8026T User Manual

...
◆
User’s Guide
Management
®
Software
AT-S39
AT-8012M, AT-8012M-QS, AT-8016F/xx (MT, SC and ST), AT-8024, AT-8024GB, AT-8024M, AT-8026FC, AT-8026T, and AT-8088/xx (MT and SC) FAST ETHERNET SWITCHES
VERSION 3.3.0
PN 613-50245-00 Rev J
Copyright © 2004 Allied Telesyn, Inc. 960 Stewart Drive Suite B, Sunnyvale, CA 94085 USA
All rights reserved. No part of this publication may be reproduced without prior written permission from Allied Telesyn, Inc.
Microsoft is a registered trademark of Microsoft Corporation, Netscape Navigator is a registered trademark of Netscape Communications Corporation. All other product names, company names, logos or other designations mentioned herein are trademarks or registered trademarks of their respective owners.
Allied Telesyn, Inc. reserves the right to make changes in specifications and other information contained in this document without prior written notice. The information provided herein is subject to change without notice. In no event shall Allied Telesyn, Inc. be liable for any incidental, special, indirect, or consequential damages whatsoever, including but not limited to lost profits, arising out of or related to this manual or the information contained herein, even if Allied Telesyn, Inc. has been advised of, known, or should have known, the possibility of such damages.

Table of Contents

List of Figures ........................................................................................................................................................................................................ 9
Preface ....................................................................................................................................................................................................................13
How This Guide is Organized ...........................................................................................................................................................................14
Document Conventions ....................................................................................................................................................................................15
Where to Find Web-based Guides .................................................................................................................................................................16
Contacting Allied Telesyn .................................................................................................................................................................................17
Online Support ............................................................................................................................................................................................. 17
Email and Telephone Support................................................................................................................................................................ 17
Returning Products..................................................................................................................................................................................... 17
For Sales or Corporate Information ...................................................................................................................................................... 17
Management Software Updates ....................................................................................................................................................................18
Section I Overview
Chapter 1
Overview ................................................................................................................................................................................................................20
Local Management Session ..............................................................................................................................................................................22
Telnet Management Session ............................................................................................................................................................................23
Web Browser Management Session ..............................................................................................................................................................24
SNMP Management Session ............................................................................................................................................................................25
Management Access Levels .............................................................................................................................................................................26
.......................................................................................................................................................... 19
Section II Local and Telnet Management
Chapter 2
Starting a Local or Telnet Management Session ................................................................................................................................29
Local Management Session ..............................................................................................................................................................................30
Starting a Local Management Session................................................................................................................................................. 31
Enhanced Stacking ..................................................................................................................................................................................... 33
Quitting from a Local Session ................................................................................................................................................................. 34
Telnet Management Session ............................................................................................................................................................................35
Starting a Telnet Management Session .............................................................................................................................................. 35
Quitting from a Telnet Management Session................................................................................................................................... 36
Saving Your Parameter Changes ....................................................................................................................................................................37
.................................................................................................. 27
3
Table of Contents
Chapter 3
Basic Switch Parameters ................................................................................................................................................................................ 38
When Does a Switch Need an IP Address? ................................................................................................................................................. 39
How Do You Assign an IP Address?...................................................................................................................................................... 40
Configuring an IP Address and Switch Name ........................................................................................................................................... 41
Activating the BOOTP and DHCP Client Software ................................................................................................................................... 44
Configuring SNMP Community Strings and Trap IP Addresses ......................................................................................................... 46
Resetting a Switch ............................................................................................................................................................................................... 49
Configuring the AT-S39 Management Security Features ..................................................................................................................... 50
Configuring the Management Passwords......................................................................................................................................... 51
Configuring Management Access ........................................................................................................................................................ 52
Viewing the AT-S39 Version Number and Switch MAC Address ........................................................................................................53
Pinging a Remote System ................................................................................................................................................................................ 54
Returning the AT-S39 Software to the Factory Default Values ........................................................................................................... 55
Configuring the Console Startup Mode ...................................................................................................................................................... 56
Chapter 4
Enhanced Stacking ........................................................................................................................................................................................... 57
Enhanced Stacking Overview ......................................................................................................................................................................... 58
Guidelines...................................................................................................................................................................................................... 58
Setting a Switch’s Enhanced Stacking Status ............................................................................................................................................ 61
Selecting a Switch in an Enhanced Stack ................................................................................................................................................... 63
Returning to the Master Switch............................................................................................................................................................. 64
Chapter 5
Port Parameters ................................................................................................................................................................................................. 65
Displaying Port Status ........................................................................................................................................................................................ 66
Configuring Port Parameters .......................................................................................................................................................................... 69
Displaying Uplink Information ....................................................................................................................................................................... 74
Chapter 6
Port Security ........................................................................................................................................................................................................ 76
Port Security Overview ...................................................................................................................................................................................... 77
Automatic...................................................................................................................................................................................................... 77
Limited............................................................................................................................................................................................................ 77
Secure ............................................................................................................................................................................................................. 78
Lock All Ports ................................................................................................................................................................................................ 78
Guidelines...................................................................................................................................................................................................... 78
Configuring Port Security ................................................................................................................................................................................. 79
Configuring the Limited Security Mode ...................................................................................................................................................... 80
Chapter 7
Port Trunking ...................................................................................................................................................................................................... 82
Port Trunking Overview .................................................................................................................................................................................... 83
Port Operating Specifications ................................................................................................................................................................ 84
Load Distribution Methods ..................................................................................................................................................................... 84
Creating a Port Trunk ......................................................................................................................................................................................... 89
Deleting a Port Trunk ......................................................................................................................................................................................... 91
Chapter 8
Port Mirroring ..................................................................................................................................................................................................... 92
Port Mirroring Overview ................................................................................................................................................................................... 93
Creating a Port Mirror ........................................................................................................................................................................................ 94
Deleting a Port Mirror ........................................................................................................................................................................................ 95
4
Chapter 9
STP and RSTP .......................................................................................................................................................................................................96
STP and RSTP Overview .....................................................................................................................................................................................97
Bridge Priority and the Root Bridge...................................................................................................................................................... 98
Mixed STP and RSTP Networks ............................................................................................................................................................ 104
Spanning Tree and VLANs..................................................................................................................................................................... 104
Enabling or Disabling STP or RSTP .............................................................................................................................................................. 105
Configuring STP ................................................................................................................................................................................................. 107
Configuring STP Bridge Settings......................................................................................................................................................... 107
Configuring STP Port Settings ............................................................................................................................................................. 109
Configuring RSTP .............................................................................................................................................................................................. 112
Configuring RSTP Bridge Settings ...................................................................................................................................................... 112
Configuring RSTP Port Settings........................................................................................................................................................... 115
Chapter 10
Virtual LANs Overview ................................................................................................................................................................................. 118
VLAN Overview .................................................................................................................................................................................................. 119
VLAN Modes............................................................................................................................................................................................... 120
User-Configured VLAN Mode Overview ................................................................................................................................................... 121
Port-based VLAN Overview .................................................................................................................................................................. 121
Tagged VLAN Overview ......................................................................................................................................................................... 128
Basic VLAN Mode Overview .......................................................................................................................................................................... 132
Setting the VLAN Mode .................................................................................................................................................................................. 133
Chapter 11
Creating Port-based and Tagged VLANs .............................................................................................................................................134
Creating a New Port-based or Tagged VLAN .......................................................................................................................................... 135
Example of Creating a Port-based VLAN .................................................................................................................................................. 139
Example of Creating a Tagged VLAN ......................................................................................................................................................... 140
Modifying a VLAN ............................................................................................................................................................................................. 141
Displaying VLAN Information ....................................................................................................................................................................... 144
Deleting a VLAN ................................................................................................................................................................................................. 145
Deleting All VLANs ............................................................................................................................................................................................ 147
Displaying PVIDs and Priorities .................................................................................................................................................................... 148
Enabling or Disabling Ingress Filtering ..................................................................................................................................................... 149
Designating a Management VLAN ............................................................................................................................................................. 151
Chapter 12
Multiple VLAN Modes ................................................................................................................................................................................... 153
Multiple VLAN Modes Overview .................................................................................................................................................................. 154
802.1Q- Compliant Multiple VLAN Mode ........................................................................................................................................ 154
Non-802.1Q Compliant Multiple VLAN Mode................................................................................................................................ 156
Preserving User-Configured VLANs ................................................................................................................................................... 158
Uplink VLANs - Multiple VLANs Mode Management .................................................................................................................. 158
Activating or Deactivating a Multiple VLAN Mode ............................................................................................................................... 159
Displaying VLAN Information ....................................................................................................................................................................... 160
Chapter 13
MAC Address Table ........................................................................................................................................................................................ 161
MAC Address Overview .................................................................................................................................................................................. 162
Displaying MAC Addresses ............................................................................................................................................................................ 164
Adding Static Unicast and Multicast MAC Addresses ..........................................................................................................................167
Deleting MAC Addresses ................................................................................................................................................................................ 168
Deleting All Dynamic MAC Addresses ....................................................................................................................................................... 169
Viewing MAC Addresses by Port ................................................................................................................................................................. 170
Identifying a Port Number by MAC Address ........................................................................................................................................... 171
Viewing the MAC Addresses of a VLAN ..................................................................................................................................................... 172
Changing the Aging Time .............................................................................................................................................................................. 173
5
Table of Contents
Chapter 14
Class of Service .................................................................................................................................................................................................174
Class of Service Overview ...............................................................................................................................................................................175
Configuring CoS .................................................................................................................................................................................................177
Chapter 15
IGMP Snooping ................................................................................................................................................................................................179
IGMP Snooping Overview ..............................................................................................................................................................................180
Activating IGMP Snooping .............................................................................................................................................................................182
Displaying a List of Host Nodes ....................................................................................................................................................................185
Displaying a List of Multicast Routers ........................................................................................................................................................186
Chapter 16
Broadcast Storm Control .............................................................................................................................................................................187
Broadcast Storm Control Overview ............................................................................................................................................................188
Configuring the Interval Timer .....................................................................................................................................................................190
Configuring the Maximum Broadcast Frame Count ............................................................................................................................191
Chapter 17
TACACS+ and RADIUS Protocols .............................................................................................................................................................192
TACACS+ and RADIUS Overview .................................................................................................................................................................193
Functions of an Authentication Protocol......................................................................................................................................... 195
TACACS+ and RADIUS Configuration Guidelines ......................................................................................................................... 195
Configuring the Authentication Client Software ...................................................................................................................................196
Chapter 18
802.1x Port-Based Access Control ..........................................................................................................................................................202
802.1x Port-based Access Control Overview ...........................................................................................................................................203
Authentication Process........................................................................................................................................................................... 204
Port Roles..................................................................................................................................................................................................... 205
General Steps ............................................................................................................................................................................................. 205
Port-based Access Control Guidelines.............................................................................................................................................. 206
Enabling and Disabling Port Access Control ...........................................................................................................................................209
Configuring Port Access Control Parameters ..........................................................................................................................................211
Viewing Port Access Status ............................................................................................................................................................................214
Chapter 19
Ethernet Statistics ...........................................................................................................................................................................................215
Displaying Port Statistics ................................................................................................................................................................................216
Displaying Switch Statistics ...........................................................................................................................................................................218
Chapter 20
File Downloads and Uploads .....................................................................................................................................................................220
File Uploads and Downloads Overview ....................................................................................................................................................221
Downloading Files from a Local Management Session ......................................................................................................................223
Downloading Files from a Remote Management Session .................................................................................................................229
Downloading Files Switch to Switch ..........................................................................................................................................................232
Uploading Files from a Local Management Session .............................................................................................................................235
Uploading Files from a Remote Management Session ........................................................................................................................239
6
Section III Web Browser Management
Chapter 21
Starting a Web Browser Management Session ................................................................................................................................242
Starting a Web Browser Management Session ...................................................................................................................................... 243
Browser Tools............................................................................................................................................................................................. 245
Quitting a Web Browser Management Session............................................................................................................................. 245
Chapter 22
Basic Switch Parameters ............................................................................................................................................................................. 246
Configuring an IP Address and Switch Name ......................................................................................................................................... 247
Activating the BOOTP and DHCP Client Software ................................................................................................................................. 251
Viewing System Information ........................................................................................................................................................................ 252
Configuring the SNMP Parameters and Trap IP Addresses ................................................................................................................ 254
Resetting a Switch ............................................................................................................................................................................................ 256
Pinging a Remote System .............................................................................................................................................................................. 257
Returning the AT-S39 Software to the Factory Default Values .........................................................................................................258
Chapter 23
Enhanced Stacking ......................................................................................................................................................................................... 260
Setting a Switch’s Enhanced Stacking Status ......................................................................................................................................... 261
Selecting a Switch in an Enhanced Stack ................................................................................................................................................. 263
Returning to the Master Switch .......................................................................................................................................................... 264
Chapter 24
Port Parameters ............................................................................................................................................................................................... 265
Configuring Port Parameters ........................................................................................................................................................................ 266
Displaying Port Status and Statistics .......................................................................................................................................................... 271
........................................................................................................ 241
Chapter 25
Port Security ...................................................................................................................................................................................................... 276
Displaying the Port Security Level .............................................................................................................................................................. 277
Chapter 26
Port Trunks ........................................................................................................................................................................................................ 278
Creating or Deleting a Port Trunk ............................................................................................................................................................... 279
Chapter 27
Port Mirroring ...................................................................................................................................................................................................281
Creating or Deleting a Port Mirror .............................................................................................................................................................. 282
Chapter 28
STP and RSTP .................................................................................................................................................................................................... 284
Enabling or Disabling STP or RSTP .............................................................................................................................................................. 285
Configuring STP ................................................................................................................................................................................................. 287
Configuring STP Bridge Settings......................................................................................................................................................... 287
Configuring STP Port Settings ............................................................................................................................................................. 289
Configuring RSTP .............................................................................................................................................................................................. 291
Configuring RSTP Bridge Settings ...................................................................................................................................................... 291
Configuring RSTP Port Settings........................................................................................................................................................... 293
Displaying STP or RSTP Settings .................................................................................................................................................................. 295
Chapter 29
Virtual LANs ....................................................................................................................................................................................................... 297
Creating A New Port-based or Tagged VLAN .........................................................................................................................................298
Modifying a Port-based or Tagged VLAN ................................................................................................................................................. 302
Deleting a Port-based or Tagged VLAN ....................................................................................................................................................303
7
Table of Contents
Displaying VLANs ..............................................................................................................................................................................................304
Setting the VLAN Mode ...................................................................................................................................................................................305
Procedure 1................................................................................................................................................................................................. 305
Procedure 2................................................................................................................................................................................................. 305
Selecting a Multiple VLANs Mode ...............................................................................................................................................................306
Chapter 30
MAC Address Table ........................................................................................................................................................................................307
Viewing the MAC Address Table ..................................................................................................................................................................308
Adding Static Unicast and Multicast MAC Addresses ..........................................................................................................................311
Deleting MAC Addresses ................................................................................................................................................................................312
Changing the Aging Time ..............................................................................................................................................................................313
Chapter 31
Class of Service .................................................................................................................................................................................................314
Configuring CoS .................................................................................................................................................................................................315
Chapter 32
IGMP Snooping ................................................................................................................................................................................................317
Configuring IGMP Snooping .........................................................................................................................................................................318
Displaying a List of Host Nodes and Multicast Routers .......................................................................................................................321
Chapter 33
Broadcast Storm Control .............................................................................................................................................................................323
Configuring the Interval Timer .....................................................................................................................................................................324
Setting the Maximum Number of Broadcast Frames ...........................................................................................................................325
Chapter 34
TACACS+ and RADIUS Protocols .............................................................................................................................................................326
Configuring TACACS+ and RADIUS ............................................................................................................................................................327
Appendix A
AT-S39 Default Settings ...............................................................................................................................................................................331
Management Interface Default Settings ...................................................................................................................................................331
Switch Administration Default Settings ....................................................................................................................................................332
System Software Default Settings ...............................................................................................................................................................333
Enhanced Stacking Default Setting ............................................................................................................................................................333
SNMP Default Settings ....................................................................................................................................................................................333
Port Configuration Default Settings ...........................................................................................................................................................334
Class of Service ...................................................................................................................................................................................................334
IGMP Snooping Default Settings .................................................................................................................................................................334
Spanning Tree Switch Settings .....................................................................................................................................................................335
STP Default Settings ................................................................................................................................................................................ 335
RSTP Default Settings.............................................................................................................................................................................. 335
VLAN Default Settings .....................................................................................................................................................................................336
Port Security Default Settings .......................................................................................................................................................................336
802.1x Port-Based Network Access Control Default Settings ...........................................................................................................336
Server-Based Authentication Default Settings .......................................................................................................................................337
Server-Based Authentication Default Settings .............................................................................................................................. 337
RADIUS Default Settings ........................................................................................................................................................................ 337
TACACS+ Client Default Settings ........................................................................................................................................................ 337
Index ......................................................................................................................................................................... 339
8

List of Figures

Chapter 1
Overview .....................................................................................................................................................................20
Chapter 2
Starting a Local or Telnet Management Session .....................................................................................................29
Figure 1: Connecting a Terminal or PC to the RS232 Terminal Port ................................................................................................. 31
Figure 2: Main Menu .......................................................................................................................................................................................... 33
Chapter 3
Basic Switch Parameters ...........................................................................................................................................38
Figure 3: Administration Menu ...................................................................................................................................................................... 41
Figure 4: System Configuration Menu ......................................................................................................................................................... 46
Figure 5: Advanced Configuration Menu ................................................................................................................................................... 47
Figure 6: SNMP Configuration Menu ........................................................................................................................................................... 47
Figure 7: Passwords Menu ............................................................................................................................................................................... 51
Figure 8: Diagnostics Menu ............................................................................................................................................................................. 53
Chapter 4
Enhanced Stacking ....................................................................................................................................................57
Figure 9: Enhanced Stacking Example ........................................................................................................................................................ 60
Figure 10: Enhanced Stacking Menu ............................................................................................................................................................ 61
Figure 11: Stacking Services Menu ............................................................................................................................................................... 63
Chapter 5
Port Parameters .........................................................................................................................................................65
Figure 12: Port Menu ......................................................................................................................................................................................... 66
Figure 13: Port Status Window ....................................................................................................................................................................... 66
Figure 14: Port Configuration Menu ............................................................................................................................................................ 69
Figure 15: Manual Speed and Duplex Mode Settings ........................................................................................................................... 71
Figure 16: Uplink Information Menu ............................................................................................................................................................ 74
Figure 17: GBIC Information Menu ............................................................................................................................................................... 75
Chapter 6
Port Security ...............................................................................................................................................................76
Figure 18: Port Security Menu ........................................................................................................................................................................ 79
Figure 19: Limited Security Mode Menu ..................................................................................................................................................... 80
9
List of Figures
Chapter 7
Port Trunking ............................................................................................................................................................. 82
Figure 20: Port Trunk Example ....................................................................................................................................................................... 83
Figure 21: Load Distribution Method .......................................................................................................................................................... 86
Figure 22: Port Trunking Menu ...................................................................................................................................................................... 89
Chapter 8
Port Mirroring ............................................................................................................................................................ 92
Figure 23: Port Mirroring Menu ..................................................................................................................................................................... 94
Chapter 9
STP and RSTP ............................................................................................................................................................. 96
Figure 24: Point-to-Point Ports .................................................................................................................................................................... 102
Figure 25: Edge Port ........................................................................................................................................................................................ 103
Figure 26: Point-to-Point and Edge Point ................................................................................................................................................ 103
Figure 27: VLAN Fragmentation .................................................................................................................................................................. 104
Figure 28: Spanning Tree Menu .................................................................................................................................................................. 105
Figure 29: STP Menu ........................................................................................................................................................................................ 107
Figure 30: Config STP Port Settings Menu ............................................................................................................................................... 110
Figure 31: RSTP Menu ..................................................................................................................................................................................... 112
Figure 32: RSTP Port Parameters ................................................................................................................................................................. 115
Figure 33: Configure RSTP Port Settings Menu ..................................................................................................................................... 116
Chapter 10
Virtual LANs Overview ............................................................................................................................................ 118
Figure 34: Port-based VLAN - Example 1 ................................................................................................................................................. 124
Figure 35: Port-based VLAN - Example 2 ................................................................................................................................................. 126
Figure 36: Example of a Tagged VLAN ...................................................................................................................................................... 130
Chapter 11
Creating Port-based and Tagged VLANs ............................................................................................................... 134
Figure 37: VLAN Menu .................................................................................................................................................................................... 135
Figure 38: Configure VLANs Menu ............................................................................................................................................................. 135
Figure 39: Create VLAN Menu ...................................................................................................................................................................... 136
Figure 40: Modifying a VLAN Menu ........................................................................................................................................................... 141
Figure 41: Show VLANs Menu - User Configured .................................................................................................................................. 144
Figure 42: Delete a VLAN Menu ................................................................................................................................................................... 145
Figure 43: Show PVIDs and Priorities Window ....................................................................................................................................... 148
Chapter 12
Multiple VLAN Modes ............................................................................................................................................. 153
Figure 44: Show VLANs Window -Multiple VLAN ................................................................................................................................. 160
Chapter 13
MAC Address Table ................................................................................................................................................. 161
Figure 45: MAC Address Table Menu ........................................................................................................................................................ 164
Figure 46: Show All MAC Addresses Window ........................................................................................................................................ 165
Chapter 14
Class of Service ........................................................................................................................................................ 174
Figure 47: Configure COS Priorities ............................................................................................................................................................ 177
Chapter 15
IGMP Snooping ........................................................................................................................................................ 179
Figure 48: IGMP Snooping Configuration Menu ................................................................................................................................... 182
Figure 49: View Multicast Hosts List Window ......................................................................................................................................... 185
Figure 50: View Multicast Routers List Window .................................................................................................................................... 186
10
Chapter 16
Broadcast Storm Control .........................................................................................................................................187
Figure 51: Broadcast Storm Control Menu .............................................................................................................................................. 190
Chapter 17
TACACS+ and RADIUS Protocols ............................................................................................................................192
Figure 52: Authentication Menu ................................................................................................................................................................. 196
Figure 53: Authentication Menu (TACACS+) .......................................................................................................................................... 197
Figure 54: RADIUS Client Configuration .................................................................................................................................................. 199
Figure 55: RADIUS Server Configuration ................................................................................................................................................. 200
Chapter 18
802.1x Port-Based Access Control ..........................................................................................................................202
Figure 56: Port-based Authentication Across Multiple Switches ................................................................................................... 208
Figure 57: Port Access Control Menu ........................................................................................................................................................ 209
Figure 58: Configure Port Access Parameters ........................................................................................................................................ 211
Figure 59: Configure Port Access Parameters Menu ........................................................................................................................... 212
Figure 60: Display Port Access Status Menu ........................................................................................................................................... 214
Chapter 19
Ethernet Statistics ....................................................................................................................................................215
Figure 61: Ethernet Statistics Menu ........................................................................................................................................................... 216
Figure 62: Display Module Statistics Window ........................................................................................................................................ 218
Chapter 20
File Downloads and Uploads ..................................................................................................................................220
Figure 63: Downloads & Uploads Menu .................................................................................................................................................. 224
Figure 64: Local Management Window ................................................................................................................................................... 226
Figure 65: Send File Window ....................................................................................................................................................................... 227
Figure 66: XModem File Send Window .................................................................................................................................................... 227
Figure 67: Local Management Window ................................................................................................................................................... 237
Figure 68: Receive File Window .................................................................................................................................................................. 237
Figure 69: Receive Filename Window ....................................................................................................................................................... 238
Chapter 21
Starting a Web Browser Management Session .....................................................................................................242
Figure 70: Entering a Switch’s IP Address in the URL Field ............................................................................................................... 243
Figure 71: Home Page .................................................................................................................................................................................... 244
Chapter 22
Basic Switch Parameters .........................................................................................................................................246
Figure 72: General Tab Menu - Configuration ....................................................................................................................................... 248
Figure 73: General Tab Window - Monitoring ....................................................................................................................................... 252
Figure 74: SNMP Tab ....................................................................................................................................................................................... 254
Figure 75: Ping Client Menu ......................................................................................................................................................................... 257
Figure 76: Factory Default Tab .................................................................................................................................................................... 258
Chapter 23
Enhanced Stacking ..................................................................................................................................................260
Figure 77: Enhanced Stacking Tab ............................................................................................................................................................. 262
Figure 78: Stacking Switches Menu ........................................................................................................................................................... 263
Chapter 24
Port Parameters .......................................................................................................................................................265
Figure 79: Port Setting Configuration Tab .............................................................................................................................................. 266
Figure 80: Settings for Port Menu .............................................................................................................................................................. 267
Figure 81: Port Monitoring Page ................................................................................................................................................................ 271
11
List of Figures
Figure 82: Port Status Window .................................................................................................................................................................... 272
Figure 83: Port Statistics Window ............................................................................................................................................................... 274
Chapter 25
Port Security ............................................................................................................................................................ 276
Figure 84: Port Security Menu ...................................................................................................................................................................... 277
Chapter 26
Port Trunks .............................................................................................................................................................. 278
Figure 85: Port Trunking Menu .................................................................................................................................................................... 279
Chapter 27
Port Mirroring .......................................................................................................................................................... 281
Figure 86: Port Mirroring Menu ................................................................................................................................................................... 282
Chapter 28
STP and RSTP ........................................................................................................................................................... 284
Figure 87: Spanning Tree Tab ...................................................................................................................................................................... 285
Figure 88: STP Bridge Configuration Menu ............................................................................................................................................. 287
Figure 89: STP Port Configuration Menu ................................................................................................................................................. 289
Figure 90: RSTP Bridge Configuration Menu .......................................................................................................................................... 291
Figure 91: RSTP Port Configuration Menu ............................................................................................................................................... 293
Figure 92: Spanning Tree Tab - Monitoring ............................................................................................................................................ 295
Figure 93: Rapid Spanning Tree Window - Monitoring ...................................................................................................................... 296
Chapter 29
Virtual LANs ............................................................................................................................................................. 297
Figure 94: VLAN Menu .................................................................................................................................................................................... 298
Figure 95: Add VLAN Menu ........................................................................................................................................................................... 299
Figure 96: VLAN Monitoring Window ....................................................................................................................................................... 304
Chapter 30
MAC Address Table ................................................................................................................................................. 307
Figure 97: Forwarding Database Tab ........................................................................................................................................................ 308
Figure 98: Add Static MAC Address Menu ............................................................................................................................................... 311
Chapter 31
Class of Service ........................................................................................................................................................ 314
Figure 99: CoS Tab ............................................................................................................................................................................................ 315
Figure 100: CoS Setting for Port Menu ..................................................................................................................................................... 316
Chapter 32
IGMP Snooping ........................................................................................................................................................ 317
Figure 101: IGMP Menu - Configuration .................................................................................................................................................. 318
Figure 102: IGMP Window - Monitoring ................................................................................................................................................... 321
Chapter 33
Broadcast Storm Control ........................................................................................................................................ 323
Chapter 34
TACACS+ and RADIUS Protocols ............................................................................................................................ 326
Figure 103: Server-based Authentication Tab ....................................................................................................................................... 327
Figure 104: TACACS+ Configuration Menu ............................................................................................................................................. 328
Figure 105: RADIUS Configuration Menu ................................................................................................................................................ 329
12

Preface

This guide contains instructions on how to configure an AT-8000 Series Fast Ethernet Switch using the AT-S39 management software.
The AT-8000 Series consists of the following Fast Ethernet switches:
❑ AT-8012M
❑ AT-8012M-QS
❑ AT-8016F/xx (MT, SC and ST)
❑ AT-8024
❑ AT-8024GB
❑ AT-8024M
❑ AT-8026FC
❑ AT-8026T
❑ AT-8088/xx (MT and SC)
13
Preface

How This Guide is Organized

This manual is divided into three sections.
Section I: Overview
This section contains just one chapter. It reviews the different ways that you can access the AT-S39 management software on a switch.
Section II: Local and Telnet Management
The chapters in this section explain how to manage a switch from a local management session or a Telnet management session.
A local management session is established by connecting a terminal or PC to the RS-232 Terminal Port on the front panel of the switch.
A Telnet management session is established using the Telnet application protocol. This type of management session can be performed from any workstation on your network that has the application protocol.
Section III: Web Browser Management
The chapters in this section explain how to manage a switch using a web browser, such as Microsoft® Internet Explorer or Netscape® Navigator, from a workstation on your network.
14

Document Conventions

This document uses the following conventions:
Note
Notes provide additional information.
Warning
Warnings inform you that performing or omitting a specific action may result in bodily injury.
Caution
Cautions inform you that performing or omitting a specific action may result in equipment damage or loss of data.
AT-S39 User’s Guide
15
Preface

Where to Find Web-based Guides

The installation and user guides for all Allied Telesyn products are available in Portable Document Format (PDF) from on our web site at
www.alliedtelesyn.com. You can view the documents on-line or
download them onto a local workstation or server.
16
AT-S39 User’s Guide

Contacting Allied Telesyn

This section provides Allied Telesyn contact information for technical support as well as sales or corporate information.

Online Support You can request technical support online by accessing the Allied Telesyn

Knowledge Base from the following web site: http://kb.alliedtelesyn.com. You can use the Knowledge Base to submit questions to our technical support staff and review answers to previously asked questions.
Email and
Telephone
Support
Returning
Products
For Sales or
Corporate
Information
For Technical Support via email or telephone, refer to the Support & Services section of the Allied Telesyn web site: http://www.alliedtelesyn.com.
Products for return or repair must first be assigned a Return Materials Authorization (RMA) number. A product sent to Allied Telesyn without a RMA number will be returned to the sender at the sender’s expense.
To obtain a RMA number, contact Allied Telesyn’s Technical Support at our web site: http://www.alliedtelesyn.com.
You can contact Allied Telesyn for sales or corporate information at our web site: http://www.alliedtelesyn.com. To find the contact information for your country, select Contact Us -> Worldwide Contacts.
17
Preface

Management Software Updates

You can download new releases of management software for our managed products from either of the following Internet sites:
❑ Allied Telesyn web site: http://www.alliedtelesyn.com
❑ Allied Telesyn FTP server: ftp://ftp.alliedtelesyn.com
To download new software from the Allied Telesyn FTP server using your workstation’s command prompt, you need FTP client software and you must log in to the server. Enter “anonymous” as the user name and your email address for the password.
18

Section I

Overview

The chapter in this section provides a brief overview of the AT-S39 management software. It explains some of the functions that you can perform with the management software and reviews different methods for accessing the AT-S39 software on an AT-8000 Series Fast Ethernet Switch.
19

Chapter 1

Overview

The AT-S39 management software is intended for the AT-8000 Series Fast Ethernet Switches. The software is used to monitor and adjust a switch’s operating parameters. Some of the functions you can perform with the software include:
❑ Enable and disable ports
❑ Configure port parameters, such as port speed and duplex mode
❑ Create virtual LANs (VLANs)
❑ Create port trunks and port mirrors
❑ Assign an Internet Protocol (IP) address and subnet mask
❑ Activate and configure a spanning tree protocol
❑ Activate enhanced stacking functions
❑ Configure Class of Service (COS)
❑ Enable and configure IGMP snooping
❑ Enable and configure broadcast storm control
❑ Download and upload image and configuration files
❑ Configure port security
❑ Enable port access control
The AT-S39 management software comes pre-installed on the switch with default settings for all operating parameters. If the default settings are adequate for your network, you can use the switch as an unmanaged switch simply by connecting the unit to your network, as explained in the hardware installation guide, and powering ON the device.
20
AT-S39 User’s Guide
Note
The default settings for the management software can be found in Appendix A, AT-S39 Default Settings on page 331.
To actively manage a switch, such as to change or adjust the operating parameters, you must access the switch’s AT-S39 management software. The AT-S39 software features a menu interface and a command line interface that make it very easy to use, and a special interface for managing a switch with a web browser.
There are four different ways to access the management software on an AT-8000 Series switch. In this guide, these methods are referred to as management sessions. They are:
❑ Local Management Session
❑ Telnet Management Session
❑ Web Browser Management Session
❑ SNMP Management Session
The following sections in this chapter briefly describe each type of management session.
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Section I: Overview

Local Management Session

You establish a local management session with an AT-8000 Series switch by connecting a terminal or a PC with a terminal emulator program to the RS232 Terminal port on the front panel of the switch, using a straight-through RS-232 cable. This type of management session is referred to as “local” because you must be physically close to the switch, such as in the wiring closet where the switch is located.
Once the session is started, a menu is displayed and you can make selections to configure and monitor the switch. You can configure all of a switch’s operating parameters from a local management session.
Note
For instructions on starting a local management session, refer to Starting a Local Management Session on page 31.
A switch does not need an Internet Protocol (IP) address for you to manage it locally. You can start a local management session on a switch at any time. It will not affect the forwarding of frames by the device.
If you assign an AT-8000 Series switch an IP address and designate it as a master switch of an enhanced stack, you can will be able to manage all of the switches in the enhanced stack, all from the same local management session.
Note
For further information on enhanced stacking, refer to Enhanced Stacking Overview on page 58.
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Telnet Management Session

Any management workstation on your network that has the Telnet application protocol can be used to manage an AT-8000 Series switch. This type of management session is referred to in this guide as a remote management session because you do not have to be in the wiring closet where the switch you want to manage is located. You can manage the switch from any workstation on the network that has the application protocol.
To establish a Telnet management session with a switch, there must be at least one AT-8000 Series switch in the subnet that has been assigned an Internet Protocol (IP) address. Only one switch in a subnet needs to have an IP address. Once you have established a Telnet management session with the switch that has an IP address, you can use the enhanced stacking feature of the AT-S39 software to access all the other enhanced stacking switches in the same subnet.
Note
For further information on enhanced stacking, refer to Enhanced Stacking Overview on page 58.
AT-S39 User’s Guide
Note
For instructions on how to start a Telnet management session, refer to Starting a Telnet Management Session on page 35.
A Telnet management session gives you complete access to all of a switch’s operating parameters. You can perform nearly all the same functions from a Telnet management session as you can from a local management session.
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Section I: Overview

Web Browser Management Session

You can also use a web browser to manage a switch. This too is referred to as remote management, just like a Telnet management session. You can manage a switch from any workstation on your network that has a web browser.
Note
For instructions on starting this type of management session, refer to Starting a Web Browser Management Session on page 242.
In order to start a web browser management session, there must be at least one enhanced stacking switch in the subnet with an IP address and whose stacking status has been set to master. Once you have started a management session on the master switch, you can manage all of the switches in the enhanced stack.
Note
For further information on enhanced stacking, refer to Enhanced Stacking Overview on page 58.
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SNMP Management Session

Another way to remotely manage the switch is with an SNMP management program. A familiarity with Management Information Base (MIB) objects is necessary for this type of management.
The AT-S39 software supports the following MIBs:
❑ SNMP MIB-II (RFC 1213)
❑ Bridge MIB (RFC 1493)
❑ Interface Group MIB (RFC 1573)
❑ Ethernet MIB (RFC 1643)
❑ Remote Network MIB (RFC 1757)
❑ Allied Telesyn managed switch MIB
AT-S39 User’s Guide
You must download the Allied Telesyn managed switch MIB (atistackinfo.mib and atiswitch.mib) file from the Allied Telesyn web site and compile the file with your SNMP program. For instructions, refer to your SNMP management documentation.
Note
SNMP management does not utilize the enhanced stacking feature. Consequently, you must assign an IP address to each switch to be managed with an SNMP program.
25
Section I: Overview

Management Access Levels

There are two levels of management access on an AT-8000 Series switch: Manager and Operator. When you log in as a Manager, you can view and configure all of a switch’s operating parameters. When you log in as an Operator, you can only view the operating parameters; you cannot change any values.
You log in as a manager or an operator by entering the appropriate password when you start an AT-S39 management session. To log in as a manager, type “manager” as the login and “friend” as the password. The default user name for operator is “operator” and the password is also “operator”. The login names and passwords are case-sensitive.
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Section II

Local and Telnet Management

The chapters in this section explain how to manage an AT-8000 Series switch from a local or Telnet management session. The chapters include:
❑ Chapter 2: Starting a Local or Telnet Management Session on
page 29
❑ Chapter 3: Basic Switch Parameters on page 38
❑ Chapter 4: Enhanced Stacking on page 57
❑ Chapter 5: Port Parameters on page 65
❑ Chapter 6: Port Security on page 76
❑ Chapter 7: Port Trunking on page 82
❑ Chapter 8: Port Mirroring on page 92
❑ Chapter 9: STP and RSTP on page 96
❑ Chapter 10: Virtual LANs Overview on page 118
❑ Chapter 11: Creating Port-based and Tagged VLANs on page
134
❑ Chapter 12: Multiple VLAN Modes on page 153
❑ Chapter 13: MAC Address Table on page 161
❑ Chapter 14: Class of Service on page 174
❑ Chapter 15: IGMP Snooping on page 179
❑ Chapter 16: Broadcast Storm Control on page 187
❑ Chapter 17: TACACS+ and RADIUS Protocols on page 192
27
Section II: Local and Telnet Management
❑ Chapter 18: 802.1x Port-Based Access Control on page 202
❑ Chapter 19: Ethernet Statistics on page 215
❑ Chapter 20: File Downloads and Uploads on page 220
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Chapter 2

Starting a Local or Telnet Management Session

This chapter contains the procedure for starting a local or Telnet management session on an AT-8000 Series switch. The sections in the chapter are:
❑ Local Management Session on page 30
❑ Telnet Management Session on page 35
❑ Saving Your Parameter Changes on page 37
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Section II: Local or Telnet Management

Local Management Session

On the front panel of the switch is a port labelled RS232 Terminal Port. You can use this port to establish a local (out-of-band) management session with the switch’s AT-S39 management software.
A local management session is so named because you must be close to the switch, usually within a few meters, to start this type of management session. This typically means that you must be in the wiring closet where the switch is located.
A switch does not need an IP address to be managed from a local management session. You can start a local management session at any time on any AT-8000 Series switch in your network. A local management session does not interfere with the flow of Ethernet traffic through the unit.
Starting a local management session on a switch that has been configured as a Master switch allows you to manage all the switches in the enhanced stack from the same local management session. You do not have to start a separate local management session for each switch. This can simplify network management.
Starting a local management session on a switch that is not part of an enhanced stack or that is a slave switch allows you to manage just that switch.
Note For information on enhanced stacking, refer to Enhanced Stacking Overview on page 58.
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