Allied AT-8100L/8 User manual

613-001952 Rev. A
AT-8100 Series
Fast Ethernet Switches
AT-8100L/8
AT-8100L/8POE
AT-8100L/8POE-E
AT-8100S/24
AT-8100S/24C
AT-8100S/24F-LC
AT-8100S/24POE
AT-8100S/16F8-LC
AT-8100S/16F8-SC
AT-8100S/48
AT-8100S/48POE
Management Software
Command Line Interface User’s Guide
AlliedWare Plus Version 2.2.5

Copyright
Copyright © 2014, Allied Telesis, Inc.
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Copyright 1989, 1991, 1992 by Carnegie Mellon University. Derivative Work - 1996, 1998-2000. Copyright 1996, 1998-
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Associates Technology, Inc. - All rights reserved. Copyright (c) 2001-2003 by Cambridge Broadband Ltd. - All rights
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reserved. Copyright (c) 2004-2006 by Internet Systems Consortium, Inc. ("ISC") - All rights reserved. Copyright (c)
1995-2003 by Internet Software Consortium - All rights reserved. Copyright (c) 1992-2003 by David Mills - All rights
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Some components of the SSH software are provided under a standard 2-term BSD license with the following names as
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been advised of, known, or should have known, the possibility of such damages.


5
Document Conventions.............................................................................................................................. 48
Where to Find Web-based Guides............................................................................................................. 49
Contacting Allied Telesis............................................................................................................................ 50
Section I: Getting Started ......................................................................................................................... 51
Chapter 1: AlliedWare Plus Command Line Interface .............................................................................. 53
Management Sessions............................................................................................................................... 54
Local Management.............................................................................................................................. 54
Remote Management.......................................................................................................................... 54
Management Interfaces ............................................................................................................................. 57
Local Manager Account ............................................................................................................................. 58
AlliedWare Plus Command Modes ............................................................................................................ 59
Moving Down the Hierarchy....................................................................................................................... 62
ENABLE Command............................................................................................................................. 62
CONFIGURE TERMINAL Command .................................................................................................. 62
CLASS-MAP Command ...................................................................................................................... 62
LINE CONSOLE 0 Command ............................................................................................................. 63
LINE VTY Command........................................................................................................................... 63
POLICY-MAP Command..................................................................................................................... 63
CLASS Command............................................................................................................................... 63
INTERFACE Command - Dynamic Port Trunk.................................................................................... 64
INTERFACE Command - Ports........................................................................................................... 64
INTERFACE Command - Static Port Trunk......................................................................................... 65
INTERFACE VLAN Command ............................................................................................................ 65
VLAN DATABASE Command ............................................................................................................. 65
LOCATION CIVIC-LOCATION Command .......................................................................................... 66
LOCATION COORD-LOCATION Command....................................................................................... 66
Moving Up the Hierarchy............................................................................................................................ 67
EXIT and QUIT Commands................................................................................................................. 67
END Command ................................................................................................................................... 67
DISABLE Command............................................................................................................................ 68
Port Numbers in Commands...................................................................................................................... 69
Stand-alone Switches.......................................................................................................................... 69
Stacks.................................................................................................................................................. 70
Command Format...................................................................................................................................... 71
Command Line Interface Features...................................................................................................... 71
Command Formatting Conventions..................................................................................................... 71
Command Examples ........................................................................................................................... 71
Startup Messages...................................................................................................................................... 72
Chapter 2: Starting a Management Session ............................................................................................. 75
Starting a Local Management Session ...................................................................................................... 76
Starting a Remote Telnet or SSH Management Session........................................................................... 78
VTY Lines............................................................................................................................................ 79
What to Configure First.............................................................................................................................. 80
Creating a Boot Configuration File ...................................................................................................... 80
Contents

Contents
6
Changing the Login Password.............................................................................................................81
Assigning a Name to the Switch ..........................................................................................................81
Adding a Management IP Address ......................................................................................................82
Saving Your Changes..........................................................................................................................84
Ending a Management Session..................................................................................................................85
Chapter 3: Basic Command Line Management .........................................................................................87
Clearing the Screen....................................................................................................................................88
Displaying the On-line Help........................................................................................................................89
Saving Your Configuration Changes..........................................................................................................91
Ending a Management Session..................................................................................................................92
Chapter 4: Basic Command Line Management Commands ....................................................................93
? (Question Mark Key)................................................................................................................................95
CLEAR SCREEN........................................................................................................................................97
CONFIGURE TERMINAL...........................................................................................................................98
COPY RUNNING-CONFIG STARTUP-CONFIG .......................................................................................99
DISABLE ..................................................................................................................................................100
DO............................................................................................................................................................101
ENABLE ...................................................................................................................................................103
END..........................................................................................................................................................104
EXIT..........................................................................................................................................................105
LENGTH...................................................................................................................................................106
LOGOUT ..................................................................................................................................................108
QUIT.........................................................................................................................................................109
WRITE......................................................................................................................................................110
Chapter 5: Temperature and Fan Control Overview ...............................................................................111
Overview...................................................................................................................................................112
Displaying the System Environmental Status...........................................................................................113
Controlling Eco-Mode LED.......................................................................................................................114
Chapter 6: Temperature and Fan Control Commands ...........................................................................115
ECOFRIENDLY LED................................................................................................................................116
NO ECOFRIENDLY LED..........................................................................................................................117
SHOW ECOFRIENDLY............................................................................................................................118
SHOW SYSTEM ENVIRONMENT...........................................................................................................119
Section II: Basic Operations ..................................................................................................................123
Chapter 7: Basic Switch Management .....................................................................................................125
Adding a Name to the Switch...................................................................................................................126
Adding Contact and Location Information ................................................................................................127
Displaying Parameter Settings.................................................................................................................128
Manually Setting the Date and Time ........................................................................................................129
Pinging Network Devices..........................................................................................................................130
Resetting the Switch.................................................................................................................................131
Restoring the Default Settings to the Switch ............................................................................................132
Setting the Baud Rate of the Console Port...............................................................................................134
Configuring the Management Session Timers .........................................................................................136
Setting the Maximum Number of Manager Sessions ...............................................................................138
Configuring the Banners...........................................................................................................................139
Chapter 8: Basic Switch Management Commands .................................................................................143
BANNER EXEC........................................................................................................................................145

AT-8100 Switch Command Line User’s Guide
7
BANNER LOGIN...................................................................................................................................... 147
BANNER MOTD....................................................................................................................................... 149
BAUD-RATE SET .................................................................................................................................... 151
CLOCK SET............................................................................................................................................. 152
ERASE STARTUP-CONFIG.................................................................................................................... 153
EXEC-TIMEOUT...................................................................................................................................... 154
HELP........................................................................................................................................................ 156
HOSTNAME............................................................................................................................................. 157
LINE CONSOLE....................................................................................................................................... 158
LINE VTY................................................................................................................................................. 159
NO HOSTNAME ...................................................................................................................................... 160
PING ........................................................................................................................................................ 161
PING IPv6................................................................................................................................................ 163
REBOOT.................................................................................................................................................. 164
RELOAD .................................................................................................................................................. 165
SERVICE MAXMANAGER ...................................................................................................................... 166
SHOW BANNER LOGIN.......................................................................................................................... 167
SHOW BAUD-RATE................................................................................................................................ 168
SHOW CLOCK......................................................................................................................................... 169
SHOW RUNNING-CONFIG..................................................................................................................... 170
SHOW SWITCH....................................................................................................................................... 171
SHOW SYSTEM...................................................................................................................................... 173
SHOW SYSTEM SERIALNUMBER......................................................................................................... 174
SHOW USERS......................................................................................................................................... 175
SHOW VERSION..................................................................................................................................... 177
SNMP-SERVER CONTACT .................................................................................................................... 178
SNMP-SERVER LOCATION ................................................................................................................... 179
SYSTEM TERRITORY............................................................................................................................. 180
Chapter 9: Port Parameters ...................................................................................................................... 183
Adding Descriptions................................................................................................................................. 184
Setting the Speed and Duplex Mode ....................................................................................................... 185
Setting the MDI/MDI-X Wiring Configuration............................................................................................ 187
Enabling or Disabling Ports...................................................................................................................... 188
Enabling or Disabling Backpressure........................................................................................................ 189
Enabling or Disabling Flow Control.......................................................................................................... 190
Resetting Ports......................................................................................................................................... 193
Configuring Threshold Limits for Ingress Packets.................................................................................... 194
Displaying Threshold Limit Settings on Ports........................................................................................... 196
Reinitializing Auto-Negotiation................................................................................................................. 197
Restoring the Default Settings ................................................................................................................. 198
Displaying Port Settings........................................................................................................................... 199
Displaying Speed and Duplex Settings ............................................................................................. 199
Displaying Port Status ....................................................................................................................... 199
Displaying Port Configuration............................................................................................................ 200
Displaying or Clearing Port Statistics....................................................................................................... 201
Displaying SFP Information ..................................................................................................................... 202
Chapter 10: Port Parameter Commands ................................................................................................. 203
BACKPRESSURE.................................................................................................................................... 206
BPLIMIT................................................................................................................................................... 208
CLEAR PORT COUNTER ....................................................................................................................... 209
DESCRIPTION......................................................................................................................................... 210
DUPLEX................................................................................................................................................... 212
EGRESS-RATE-LIMIT............................................................................................................................. 214
FCTRLLIMIT ............................................................................................................................................ 215

Contents
8
FLOWCONTROL......................................................................................................................................216
HOLBPLIMIT ............................................................................................................................................219
NO EGRESS-RATE-LIMIT.......................................................................................................................222
NO FLOWCONTROL ...............................................................................................................................223
NO SHUTDOWN......................................................................................................................................224
NO SNMP TRAP LINK-STATUS..............................................................................................................225
NO STORM-CONTROL ...........................................................................................................................226
POLARITY................................................................................................................................................227
PURGE.....................................................................................................................................................229
RENEGOTIATE........................................................................................................................................230
RESET......................................................................................................................................................231
SHOW FLOWCONTROL INTERFACE....................................................................................................232
SHOW INTERFACE.................................................................................................................................234
SHOW INTERFACE BRIEF .....................................................................................................................238
SHOW INTERFACE STATUS..................................................................................................................240
SHOW PLATFORM TABLE PORT COUNTERS .....................................................................................242
SHOW RUNNING-CONFIG INTERFACE................................................................................................245
SHOW STORM-CONTROL......................................................................................................................246
SHOW SYSTEM PLUGGABLE................................................................................................................248
SHOW SYSTEM PLUGGABLE DETAIL ..................................................................................................249
SHUTDOWN ............................................................................................................................................250
SNMP TRAP LINK-STATUS....................................................................................................................251
SPEED .....................................................................................................................................................252
STORM-CONTROL..................................................................................................................................254
Chapter 11: Power Over Ethernet .............................................................................................................257
Overview...................................................................................................................................................258
Power Sourcing Equipment (PSE).....................................................................................................258
Powered Device (PD).........................................................................................................................258
PD Classes ........................................................................................................................................258
Power Budget.....................................................................................................................................258
Port Prioritization................................................................................................................................259
Enabling and Disabling PoE.....................................................................................................................260
Adding PD Descriptions to Ports..............................................................................................................262
Prioritizing Ports .......................................................................................................................................263
Managing the Maximum Power Limit on Ports.........................................................................................264
Managing Legacy PDs .............................................................................................................................265
Monitoring Power Consumption ...............................................................................................................266
Displaying PoE Information ......................................................................................................................267
Chapter 12: Power Over Ethernet Commands ........................................................................................269
CLEAR POWER-INLINE COUNTERS INTERFACE................................................................................271
NO POWER-INLINE ALLOW-LEGACY ...................................................................................................272
NO POWER-INLINE DESCRIPTION.......................................................................................................273
NO POWER-INLINE ENABLE..................................................................................................................274
NO POWER-INLINE MAX........................................................................................................................275
NO POWER-INLINE PRIORITY...............................................................................................................276
NO POWER-INLINE USAGE-THRESHOLD............................................................................................277
NO SERVICE POWER-INLINE................................................................................................................278
NO SNMP-SERVER ENABLE TRAP POWER-INLINE............................................................................279
POWER-INLINE ALLOW-LEGACY..........................................................................................................280
POWER-INLINE DESCRIPTION..............................................................................................................281
POWER-INLINE ENABLE........................................................................................................................282
POWER-INLINE MAX ..............................................................................................................................283
POWER-INLINE PRIORITY .....................................................................................................................284

AT-8100 Switch Command Line User’s Guide
9
POWER-INLINE USAGE-THRESHOLD.................................................................................................. 286
SERVICE POWER-INLINE...................................................................................................................... 287
SHOW POWER-INLINE........................................................................................................................... 288
SHOW POWER-INLINE COUNTERS INTERFACE................................................................................ 291
SHOW POWER-INLINE INTERFACE..................................................................................................... 293
SHOW POWER-INLINE INTERFACE DETAIL........................................................................................ 294
SNMP-SERVER ENABLE TRAP POWER-INLINE.................................................................................. 297
Chapter 13: IPv4 and IPv6 Management Addresses .............................................................................. 299
Overview.................................................................................................................................................. 300
Assigning an IPv4 Management Address and Default Gateway.............................................................. 303
Adding an IPv4 Management Address.............................................................................................. 303
Adding an IPv4 Default Gateway Address ........................................................................................ 305
Deleting an IPv4 Management Address and Default Gateway ......................................................... 306
Displaying an IPv4 Management Address and Default Gateway...................................................... 307
Assigning an IPv6 Management Address and Default Gateway.............................................................. 308
Adding an IPv6 Management Address.............................................................................................. 308
Adding an IPv6 Default Gateway Address ........................................................................................ 309
Deleting an IPv6 Management Address and Default Gateway ......................................................... 310
Displaying an IPv6 Management Address and Default Gateway...................................................... 311
Chapter 14: IPv4 and IPv6 Management Address Commands ............................................................. 313
CLEAR IPV6 NEIGHBORS...................................................................................................................... 315
IP ADDRESS ........................................................................................................................................... 316
IP ADDRESS DHCP................................................................................................................................ 318
IP ROUTE................................................................................................................................................ 320
IPV6 ADDRESS....................................................................................................................................... 322
IPV6 ROUTE............................................................................................................................................ 324
NO IP ADDRESS..................................................................................................................................... 326
NO IP ADDRESS DHCP.......................................................................................................................... 327
NO IP ROUTE.......................................................................................................................................... 328
NO IPV6 ADDRESS................................................................................................................................. 329
NO IPV6 ROUTE ..................................................................................................................................... 330
SHOW IP INTERFACE............................................................................................................................ 331
SHOW IP ROUTE.................................................................................................................................... 332
SHOW IPV6 INTERFACE........................................................................................................................ 335
SHOW IPV6 ROUTE................................................................................................................................ 336
Chapter 15: Simple Network Time Protocol (SNTP) Client .................................................................... 337
Overview.................................................................................................................................................. 338
Activating the SNTP Client and Specifying the IP Address of an NTP or SNTP Server.......................... 339
Configuring Daylight Savings Time and UTC Offset................................................................................ 340
Disabling the SNTP Client........................................................................................................................ 342
Displaying the SNTP Client...................................................................................................................... 343
Displaying the Date and Time.................................................................................................................. 344
Chapter 16: SNTP Client Commands ...................................................................................................... 345
CLOCK SUMMER-TIME.......................................................................................................................... 346
CLOCK TIMEZONE................................................................................................................................. 347
NO CLOCK SUMMER-TIME.................................................................................................................... 348
NO NTP PEER......................................................................................................................................... 349
NTP PEER............................................................................................................................................... 350
PURGE NTP............................................................................................................................................ 351
SHOW CLOCK......................................................................................................................................... 352
SHOW NTP ASSOCIATIONS.................................................................................................................. 353
SHOW NTP STATUS............................................................................................................................... 355

Contents
10
Chapter 17: Domain Name System (DNS) ...............................................................................................357
Overview...................................................................................................................................................358
Domain name parts............................................................................................................................358
Server Hierarchy................................................................................................................................358
DNS Sever List...................................................................................................................................359
DNS List.............................................................................................................................................359
Default Domain ..................................................................................................................................359
Adding a DNS Server to the Switch..........................................................................................................360
Enabling or Disabling the DNS Client.......................................................................................................361
Adding a Domain to the DNS List.............................................................................................................362
Setting a Default Domain Name for the DNS...........................................................................................363
Chapter 18: Domain Name System (DNS) Commands ...........................................................................365
IP NAME-SERVER...................................................................................................................................366
IP DOMAIN-NAME ...................................................................................................................................368
IP DOMAIN-LIST......................................................................................................................................369
IP DOMAIN-LOOKUP...............................................................................................................................371
SHOW IP NAME-SERVER.......................................................................................................................372
SHOW IP DOMAIN-NAME.......................................................................................................................373
SHOW HOSTS.........................................................................................................................................374
Chapter 19: MAC Address Table ..............................................................................................................375
Overview...................................................................................................................................................376
Adding Static MAC Addresses .................................................................................................................378
Deleting MAC Addresses .........................................................................................................................380
Setting the Aging Timer............................................................................................................................382
Displaying the MAC Address Table..........................................................................................................383
Chapter 20: MAC Address Table Commands ..........................................................................................385
CLEAR MAC ADDRESS-TABLE..............................................................................................................386
MAC ADDRESS-TABLE AGEING-TIME..................................................................................................388
MAC ADDRESS-TABLE STATIC.............................................................................................................390
NO MAC ADDRESS-TABLE STATIC ......................................................................................................392
SHOW MAC ADDRESS-TABLE ..............................................................................................................394
Chapter 21: Hardware Stacking ................................................................................................................397
Overview...................................................................................................................................................398
Master Switch.....................................................................................................................................398
Stacking Port Topologies...................................................................................................................398
Active Boot Configuration File............................................................................................................400
Initialization Processes.......................................................................................................................401
Stacking Actions.................................................................................................................................402
Guidelines..........................................................................................................................................403
Configuring the Stack ID Number.............................................................................................................405
Displaying the Switches of a Stack...........................................................................................................406
Updating the Management Software........................................................................................................408
Chapter 22: Stacking Commands .............................................................................................................409
SHOW STACK .........................................................................................................................................410
STACK......................................................................................................................................................411
Chapter 23: Enhanced Stacking ...............................................................................................................413
Overview...................................................................................................................................................414
Command and Member Switches......................................................................................................414
Common VLAN..................................................................................................................................414
Guidelines..........................................................................................................................................415

AT-8100 Switch Command Line User’s Guide
11
General Steps.................................................................................................................................... 415
Configuring the Command Switch............................................................................................................ 417
Configuring a Member Switch.................................................................................................................. 420
Managing the Member Switches of an Enhanced Stack.......................................................................... 422
Changing the Enhanced Stacking Mode.................................................................................................. 424
Uploading Boot Configuration Files from the Command Switch to Member Switches............................. 426
Uploading the Management Software from the Command Switch to Member Switches......................... 433
Disabling Enhanced Stacking .................................................................................................................. 435
Chapter 24: Enhanced Stacking Commands .......................................................................................... 437
ESTACK COMMAND-SWITCH ............................................................................................................... 439
ESTACK RUN.......................................................................................................................................... 440
NO ESTACK COMMAND-SWITCH......................................................................................................... 441
NO ESTACK RUN.................................................................................................................................... 442
RCOMMAND............................................................................................................................................ 443
REBOOT ESTACK MEMBER.................................................................................................................. 444
SHOW ESTACK....................................................................................................................................... 446
SHOW ESTACK COMMAND-SWITCH................................................................................................... 448
SHOW ESTACK REMOTELIST............................................................................................................... 449
UPLOAD CONFIG REMOTELIST ........................................................................................................... 451
UPLOAD IMAGE REMOTELIST.............................................................................................................. 452
Chapter 25: Link-flap Protection .............................................................................................................. 455
Overview.................................................................................................................................................. 456
Guidelines................................................................................................................................................ 457
Configuring the Feature ........................................................................................................................... 458
Chapter 26: Link-flap Protection Commands ......................................................................................... 459
LINK-FLAP DURATION........................................................................................................................... 460
LINK-FLAP PROTECTION ...................................................................................................................... 461
LINK-FLAP RATE .................................................................................................................................... 462
NO LINK-FLAP PROTECTION................................................................................................................ 463
SHOW LINK-FLAP................................................................................................................................... 464
Chapter 27: Port Mirror ............................................................................................................................. 465
Overview.................................................................................................................................................. 466
Creating the Port Mirror or Adding New Source Ports............................................................................. 467
Removing Source Ports or Deleting the Port Mirror................................................................................. 468
Combining the Port Mirror with Access Control Lists............................................................................... 469
Displaying the Port Mirror......................................................................................................................... 471
Chapter 28: Port Mirror Commands ........................................................................................................ 473
MIRROR................................................................................................................................................... 474
MIRROR INTERFACE............................................................................................................................. 475
NO MIRROR INTERFACE....................................................................................................................... 477
SHOW MIRROR ...................................................................................................................................... 478
Chapter 29: DHCP Relay Overview .......................................................................................................... 481
Overview.................................................................................................................................................. 482
DHCP Relay Agent Option 82 ........................................................................................................... 483
Client Requests with Option 82 ......................................................................................................... 484
DHCP Relay Agent Option 82 Maximum Message Length............................................................... 485
Configuring the DHCP Relay Agent......................................................................................................... 486
Adding the IP Addresses of the DHCP Servers ................................................................................ 486
Adding DHCP Relay to the VLANs.................................................................................................... 487
Configuring the DHCP Relay Option 82 ............................................................................................ 489

Contents
12
Configuring the Maximum Hop Count................................................................................................491
Activating or Deactivating DHCP Relay on the Switch.......................................................................491
Chapter 30: DHCP Relay Commands .......................................................................................................493
IP DHCP-RELAY......................................................................................................................................495
IP DHCP-RELAY AGENT-OPTION..........................................................................................................496
IP DHCP-RELAY AGENT-OPTION CHECKING......................................................................................497
IP DHCP-RELAY INFORMATION POLICY..............................................................................................498
IP DHCP-RELAY MAX-MESSAGE-LENGTH ..........................................................................................500
IP DHCP-RELAY MAXHOPS...................................................................................................................501
IP DHCP-RELAY SERVER-ADDRESS....................................................................................................502
NO IP DHCP-RELAY................................................................................................................................503
NO IP DHCP-RELAY AGENT-OPTION...................................................................................................504
NO IP DHCP-RELAY AGENT-OPTION CHECKING ...............................................................................505
NO IP DHCP-RELAY SERVER-ADDRESS .............................................................................................506
NO SERVICE DHCP-RELAY ...................................................................................................................507
SERVICE DHCP-RELAY..........................................................................................................................508
SHOW IP DHCP-RELAY..........................................................................................................................509
Chapter 31: Group Link Control ...............................................................................................................511
Overview...................................................................................................................................................512
Guidelines.................................................................................................................................................520
Configuration Examples ...........................................................................................................................521
Chapter 32: Group Link Control Commands ...........................................................................................525
GROUP-LINK-CONTROL ........................................................................................................................526
GROUP-LINK-CONTROL DOWNSTREAM.............................................................................................527
GROUP-LINK-CONTROL UPSTREAM ...................................................................................................529
NO GROUP-LINK-CONTROL..................................................................................................................530
NO GROUP-LINK-CONTROL DOWNSTREAM.......................................................................................531
NO GROUP-LINK-CONTROL UPSTREAM.............................................................................................532
SHOW GROUP-LINK-CONTROL ............................................................................................................533
Chapter 33: Multicast Commands ............................................................................................................535
NO SWITCHPORT BLOCK EGRESS-MULTICAST ................................................................................536
NO SWITCHPORT BLOCK INGRESS-MULTICAST...............................................................................537
SWITCHPORT BLOCK EGRESS-MULTICAST.......................................................................................538
SWITCHPORT BLOCK INGRESS-MULTICAST .....................................................................................539
Section III: File System .........................................................................................................................541
Chapter 34: File System ............................................................................................................................543
Overview...................................................................................................................................................544
Copying Boot Configuration Files.............................................................................................................545
Renaming Boot Configuration Files..........................................................................................................546
Deleting Boot Configuration Files.............................................................................................................547
Displaying the Specifications of the File System......................................................................................548
Listing the Files in the File System...........................................................................................................549
Chapter 35: File System Commands ........................................................................................................551
COPY .......................................................................................................................................................552
DELETE....................................................................................................................................................553
DELETE FORCE......................................................................................................................................554
DIR ...........................................................................................................................................................555
MOVE.......................................................................................................................................................556
SHOW FILE SYSTEMS............................................................................................................................557

AT-8100 Switch Command Line User’s Guide
13
Chapter 36: Boot Configuration Files ...................................................................................................... 559
Overview.................................................................................................................................................. 560
Specifying the Active Boot Configuration File.......................................................................................... 561
Creating a New Boot Configuration File................................................................................................... 563
Displaying the Active Boot Configuration File.......................................................................................... 564
Chapter 37: Boot Configuration File Commands ................................................................................... 565
BOOT CONFIG-FILE............................................................................................................................... 566
COPY RUNNING-CONFIG...................................................................................................................... 568
COPY RUNNING-CONFIG STARTUP-CONFIG..................................................................................... 569
ERASE STARTUP-CONFIG.................................................................................................................... 570
NO BOOT CONFIG-FILE......................................................................................................................... 571
SHOW BOOT........................................................................................................................................... 572
SHOW STARTUP-CONFIG..................................................................................................................... 574
WRITE...................................................................................................................................................... 575
Chapter 38: File Transfer .......................................................................................................................... 577
Overview.................................................................................................................................................. 578
Uploading or Downloading Files with TFTP............................................................................................. 579
Downloading New Management Software with TFTP....................................................................... 579
Downloading Files to the Switch with TFTP...................................................................................... 580
Uploading Files from the Switch with TFTP....................................................................................... 581
Uploading or Downloading Files with Zmodem........................................................................................ 583
Downloading Files to the Switch with Zmodem................................................................................. 583
Uploading Files from the Switch with Zmodem ................................................................................. 584
Downloading Files with Enhanced Stacking ............................................................................................ 586
Chapter 39: File Transfer Commands ..................................................................................................... 589
COPY FILENAME ZMODEM................................................................................................................... 590
COPY FLASH TFTP ................................................................................................................................ 591
COPY TFTP FLASH ................................................................................................................................ 592
COPY ZMODEM...................................................................................................................................... 594
UPLOAD IMAGE REMOTELIST.............................................................................................................. 595
Section IV: Snooping ............................................................................................................................. 597
Chapter 40: Internet Group Management Protocol (IGMP) Snooping .................................................. 599
Overview.................................................................................................................................................. 600
Understanding Multicast Traffic Settings........................................................................................... 601
Enabling the Suppression of Unknown Multicast Traffic ................................................................... 601
Host Node Topology ................................................................................................................................ 602
Single-host Per Port .......................................................................................................................... 602
Multiple-hosts Per Port ...................................................................................................................... 602
Enabling IGMP Snooping......................................................................................................................... 603
Configuring the IGMP Snooping Commands........................................................................................... 604
Disabling IGMP Snooping........................................................................................................................ 606
Displaying IGMP Snooping...................................................................................................................... 607
Chapter 41: IGMP Snooping Commands ................................................................................................ 609
CLEAR IP IGMP....................................................................................................................................... 610
IP IGMP LIMIT ......................................................................................................................................... 611
IP IGMP QUERIER-TIMEOUT................................................................................................................. 612
IP IGMP SNOOPING............................................................................................................................... 613
IP IGMP SNOOPING FLOOD-UNKNOWN-MCAST................................................................................ 614
IP IGMP SNOOPING MROUTER............................................................................................................ 616
IP IGMP STATUS .................................................................................................................................... 617
NO IP IGMP SNOOPING......................................................................................................................... 618

Contents
14
NO IP IGMP SNOOPING MROUTER......................................................................................................619
SHOW IP IGMP SNOOPING ...................................................................................................................620
Chapter 42: IGMP Snooping Querier ........................................................................................................623
Overview...................................................................................................................................................624
Assigning Multiple Queriers ...............................................................................................................625
Guidelines.................................................................................................................................................628
Configuring the Feature............................................................................................................................629
Configuring One Querier....................................................................................................................629
Configuring Multiple Queriers.............................................................................................................630
Chapter 43: IGMP Snooping Querier Commands ...................................................................................633
IP IGMP QUERY-INTERVAL ...................................................................................................................634
IP IGMP SNOOPING QUERIER ..............................................................................................................635
NO IP IGMP SNOOPING QUERIER........................................................................................................636
SHOW IP IGMP INTERFACE ..................................................................................................................637
Chapter 44: DHCP Snooping Commands ................................................................................................639
ARP SECURITY.......................................................................................................................................641
ARP SECURITY VIOLATION...................................................................................................................642
CLEAR ARP SECURITY STATISTICS ....................................................................................................644
CLEAR IP DHCP SNOOPING BINDING..................................................................................................645
CLEAR IP DHCP SNOOPING STATISTICS............................................................................................647
IP DHCP SNOOPING...............................................................................................................................648
IP DHCP SNOOPING AGENT-OPTION..................................................................................................649
IP DHCP SNOOPING AGENT-OPTION ALLOW-UNTRUSTED .............................................................650
IP DHCP SNOOPING BINDING...............................................................................................................651
IP DHCP SNOOPING DELETE-BY-CLIENT............................................................................................653
IP DHCP SNOOPING DELETE-BY-LINKDOWN.....................................................................................654
IP DHCP SNOOPING MAX-BINDINGS...................................................................................................655
IP DHCP SNOOPING SUBSCRIBER-ID .................................................................................................657
IP DHCP SNOOPING TRUST..................................................................................................................659
IP DHCP VERIFY MAC-ADDRESS .........................................................................................................660
IP DHCP SNOOPING VIOLATION ..........................................................................................................662
IP SOURCE BINDING..............................................................................................................................664
SERVICE DHCP SNOOPING..................................................................................................................666
SHOW ARP SECURITY...........................................................................................................................668
SHOW ARP SECURITY INTERFACE .....................................................................................................670
SHOW ARP SECURITY STATISTICS.....................................................................................................672
SHOW IP DHCP SNOOPING ..................................................................................................................674
SHOW IP DHCP SNOOPING BINDING ..................................................................................................676
SHOW IP DHCP SNOOPING INTERFACE.............................................................................................678
SHOW IP SOURCE BINDING..................................................................................................................680
Section V: Event Messages ....................................................................................................................683
Chapter 45: Event Log ...............................................................................................................................685
Overview...................................................................................................................................................686
Displaying the Event Log..........................................................................................................................687
Clearing the Event Log.............................................................................................................................688
Chapter 46: Event Log Commands ..........................................................................................................689
CLEAR LOG ............................................................................................................................................691
CLEAR LOG BUFFERED.........................................................................................................................692
CLEAR LOG PERMANENT .....................................................................................................................693

AT-8100 Switch Command Line User’s Guide
15
LOG BUFFERED..................................................................................................................................... 694
LOG CONSOLE....................................................................................................................................... 696
LOG PERMANENT.................................................................................................................................. 698
NO LOG BUFFERED............................................................................................................................... 699
NO LOG CONSOLE................................................................................................................................. 701
NO LOG PERMANENT............................................................................................................................ 702
SHOW LOG ............................................................................................................................................. 704
SHOW LOG CONFIG .............................................................................................................................. 707
SHOW LOG PERMANENT...................................................................................................................... 709
SHOW LOG PERMANENT TAIL............................................................................................................. 710
SHOW LOG REVERSE........................................................................................................................... 711
SHOW LOG TAIL..................................................................................................................................... 712
Chapter 47: Syslog Client ......................................................................................................................... 713
Overview.................................................................................................................................................. 714
Creating Syslog Server Definitions .......................................................................................................... 715
Deleting Syslog Server Definitions........................................................................................................... 718
Displaying the Syslog Server Definitions ................................................................................................. 719
Chapter 48: Syslog Client Commands .................................................................................................... 721
LOG HOST............................................................................................................................................... 722
NO LOG HOST........................................................................................................................................ 724
SHOW LOG CONFIG .............................................................................................................................. 725
Section VI: Port Trunks ......................................................................................................................... 727
Chapter 49: Static Port Trunks ................................................................................................................. 729
Overview.................................................................................................................................................. 730
Load Distribution Methods................................................................................................................. 730
Guidelines.......................................................................................................................................... 732
Creating New Static Port Trunks or Adding Ports To Existing Trunks..................................................... 734
Specifying the Load Distribution Method.................................................................................................. 735
Removing Ports from Static Port Trunks or Deleting Trunks ................................................................... 736
Displaying Static Port Trunks................................................................................................................... 737
Chapter 50: Static Port Trunk Commands .............................................................................................. 739
NO STATIC-CHANNEL-GROUP............................................................................................................. 740
PORT-CHANNEL LOAD-BALANCE........................................................................................................ 741
SHOW STATIC-CHANNEL-GROUP ....................................................................................................... 743
STATIC-CHANNEL-GROUP.................................................................................................................... 744
Chapter 51: Link Aggregation Control Protocol (LACP) ........................................................................ 747
Overview.................................................................................................................................................. 748
LACP System Priority........................................................................................................................ 748
Base Port........................................................................................................................................... 749
Load Distribution Methods................................................................................................................. 749
Guidelines.......................................................................................................................................... 749
Creating New Aggregators....................................................................................................................... 751
Setting the Load Distribution Method....................................................................................................... 752
Adding Ports to Aggregators.................................................................................................................... 753
Removing Ports from Aggregators........................................................................................................... 754
Deleting Aggregators ............................................................................................................................... 755
Displaying Aggregators............................................................................................................................ 756

Contents
16
Chapter 52: LACP Commands ..................................................................................................................759
CHANNEL-GROUP..................................................................................................................................760
LACP SYSTEM-PRIORITY......................................................................................................................762
NO CHANNEL-GROUP............................................................................................................................763
PORT-CHANNEL LOAD-BALANCE ........................................................................................................764
SHOW ETHERCHANNEL........................................................................................................................766
SHOW ETHERCHANNEL DETAIL ..........................................................................................................767
SHOW ETHERCHANNEL SUMMARY.....................................................................................................769
SHOW LACP SYS-ID...............................................................................................................................770
SHOW PORT ETHERCHANNEL.............................................................................................................771
Section VII: Spanning Tree Protocols .................................................................................................773
Chapter 53: STP, RSTP and MSTP Protocols ..........................................................................................775
Overview...................................................................................................................................................776
Bridge Priority and the Root Bridge..........................................................................................................777
Path Costs and Port Costs.......................................................................................................................778
Port Priority...............................................................................................................................................779
Forwarding Delay and Topology Changes ...............................................................................................780
Hello Time and Bridge Protocol Data Units (BPDU).................................................................................781
Point-to-Point and Edge Ports..................................................................................................................782
Mixed STP and RSTP Networks ..............................................................................................................785
Spanning Tree and VLANs.......................................................................................................................786
RSTP and MSTP BPDU Guard................................................................................................................787
STP, RSTP, MSTP Loop Guard...............................................................................................................789
STP and RSTP Root Guard .....................................................................................................................794
Chapter 54: Spanning Tree Protocol (STP) Procedures ........................................................................795
Designating STP as the Active Spanning Tree Protocol ..........................................................................796
Enabling the Spanning Tree Protocol.......................................................................................................797
Setting the Switch Parameters.................................................................................................................798
Setting the Port Parameters.....................................................................................................................800
Disabling the Spanning Tree Protocol......................................................................................................801
Displaying STP Settings...........................................................................................................................802
Chapter 55: STP Commands .....................................................................................................................803
NO SPANNING-TREE STP ENABLE ......................................................................................................805
SHOW SPANNING-TREE........................................................................................................................806
SPANNING-TREE FORWARD-TIME.......................................................................................................808
SPANNING-TREE GUARD ROOT...........................................................................................................809
SPANNING-TREE HELLO-TIME .............................................................................................................810
SPANNING-TREE MAX-AGE ..................................................................................................................811
SPANNING-TREE MODE STP ................................................................................................................812
SPANNING-TREE PATH-COST..............................................................................................................813
SPANNING-TREE PORTFAST................................................................................................................814
SPANNING-TREE PORTFAST BPDU-GUARD.......................................................................................815
SPANNING-TREE PRIORITY (Bridge Priority)........................................................................................816
SPANNING-TREE Priority (Port Priority)..................................................................................................817
SPANNING-TREE STP ENABLE.............................................................................................................818
Chapter 56: Rapid Spanning Tree Protocol (RSTP) Procedures ...........................................................819
Designating RSTP as the Active Spanning Tree Protocol........................................................................820
Enabling the Rapid Spanning Tree Protocol ............................................................................................821
Configuring the Switch Parameters..........................................................................................................822
Setting the Forward Time, Hello Time, and Max Age ........................................................................822

AT-8100 Switch Command Line User’s Guide
17
Setting the Bridge Priority.................................................................................................................. 823
Enabling or Disabling BPDU Guard................................................................................................... 823
Configuring the Port Parameters.............................................................................................................. 825
Configuring Port Costs ...................................................................................................................... 825
Configuring Port Priorities.................................................................................................................. 826
Designating Point-to-point and Shared Ports .................................................................................... 826
Designating Edge Ports..................................................................................................................... 826
Enabling or Disabling RSTP Loop-guard........................................................................................... 827
Enabling or Disabling BPDU Guard................................................................................................... 827
Disabling the Rapid Spanning Tree Protocol........................................................................................... 829
Displaying RSTP Settings........................................................................................................................ 830
Chapter 57: RSTP Commands ................................................................................................................. 831
NO SPANNING-TREE PORTFAST......................................................................................................... 833
NO SPANNING-TREE ERRDISABLE-TIMEOUT ENABLE..................................................................... 834
NO SPANNING-TREE LOOP-GUARD.................................................................................................... 835
NO SPANNING-TREE PORTFAST BPDU-GUARD................................................................................ 836
NO SPANNING-TREE RSTP ENABLE ................................................................................................... 837
SHOW SPANNING-TREE ....................................................................................................................... 838
SPANNING-TREE ERRDISABLE-TIMEOUT ENABLE ........................................................................... 840
SPANNING-TREE ERRDISABLE-TIMEOUT INTERVAL........................................................................ 841
SPANNING-TREE FORWARD-TIME...................................................................................................... 842
SPANNING-TREE GUARD ROOT.......................................................................................................... 843
SPANNING-TREE HELLO-TIME............................................................................................................. 844
SPANNING-TREE LINK-TYPE................................................................................................................ 845
SPANNING-TREE LOOP-GUARD .......................................................................................................... 846
SPANNING-TREE MAX-AGE.................................................................................................................. 847
SPANNING-TREE MODE RSTP............................................................................................................. 848
SPANNING-TREE PATH-COST.............................................................................................................. 849
SPANNING-TREE PORTFAST ............................................................................................................... 850
SPANNING-TREE PORTFAST BPDU-GUARD...................................................................................... 851
SPANNING-TREE PRIORITY (Bridge Priority)........................................................................................ 852
SPANNING-TREE PRIORITY (Port Priority) ........................................................................................... 853
SPANNING-TREE RSTP ENABLE.......................................................................................................... 854
Chapter 58: Multiple Spanning Tree Protocol ........................................................................................ 855
Overview.................................................................................................................................................. 856
Multiple Spanning Tree Instance (MSTI).................................................................................................. 857
MSTI Guidelines....................................................................................................................................... 860
VLAN and MSTI Associations.................................................................................................................. 861
Ports in Multiple MSTIs............................................................................................................................ 862
Multiple Spanning Tree Regions.............................................................................................................. 863
Region Guidelines............................................................................................................................. 865
Common and Internal Spanning Tree (CIST).................................................................................... 866
MSTP with STP and RSTP................................................................................................................ 866
Summary of Guidelines............................................................................................................................ 868
Associating VLANs to MSTIs................................................................................................................... 870
Connecting VLANs Across Different Regions.......................................................................................... 872
MSTP Root Guard.................................................................................................................................... 874
Chapter 59: MSTP Commands ................................................................................................................. 875
INSTANCE MSTI-ID PRIORITY............................................................................................................... 877
INSTANCE MSTI-ID VLAN...................................................................................................................... 879
NO SPANNING-TREE ERRDISABLE-TIMEOUT ENABLE..................................................................... 880
NO SPANNING-TREE PORTFAST......................................................................................................... 881
NO SPANNING-TREE MSTP ENABLE................................................................................................... 882

Contents
18
SHOW SPANNING-TREE........................................................................................................................883
SHOW SPANNING-TREE MST CONFIG ................................................................................................884
SHOW SPANNING-TREE MST ...............................................................................................................885
SHOW SPANNING-TREE MST INSTANCE............................................................................................886
SPANNING-TREE ERRDISABLE-TIMEOUT ENABLE............................................................................887
SPANNING-TREE ERRDISABLE-TIMEOUT INTERVAL........................................................................888
SPANNING-TREE GUARD ROOT...........................................................................................................889
SPANNING-TREE MODE MSTP .............................................................................................................890
SPANNING-TREE MSTP ENABLE..........................................................................................................891
SPANNING-TREE MST CONFIGURATION ............................................................................................892
SPANNING-TREE MST INSTANCE ........................................................................................................893
SPANNING-TREE PATH-COST..............................................................................................................894
SPANNING-TREE PORTFAST................................................................................................................895
SPANNING-TREE PORTFAST BPDU-GUARD.......................................................................................896
REGION ...................................................................................................................................................897
REVISION ................................................................................................................................................898
Section VIII: Virtual LANs ....................................................................................................................899
Chapter 60: Port-based and Tagged VLANs ...........................................................................................901
Overview...................................................................................................................................................902
Port-based VLAN Overview......................................................................................................................904
VLAN Name.......................................................................................................................................904
VLAN Identifier...................................................................................................................................904
Port VLAN Identifier ...........................................................................................................................905
Untagged Ports..................................................................................................................................905
Guidelines to Creating a Port-based VLAN........................................................................................906
Drawbacks of Port-based VLANs.......................................................................................................906
Port-based Example 1........................................................................................................................907
Port-based Example 2........................................................................................................................907
Tagged VLAN Overview...........................................................................................................................910
Tagged and Untagged Ports..............................................................................................................911
Port VLAN Identifier ...........................................................................................................................911
Guidelines to Creating a Tagged VLAN.............................................................................................911
Tagged VLAN Example......................................................................................................................912
Creating VLANs........................................................................................................................................915
Adding Untagged Ports to VLANs............................................................................................................916
Adding Tagged Ports to VLANs................................................................................................................918
Removing Untagged Ports from VLANs...................................................................................................920
Removing Tagged Ports from VLANs ......................................................................................................921
Deleting VLANs........................................................................................................................................922
Displaying the VLANs...............................................................................................................................923
Chapter 61: Port-based and Tagged VLAN Commands .........................................................................925
NO SWITCHPORT ACCESS VLAN.........................................................................................................926
NO SWITCHPORT TRUNK......................................................................................................................927
NO SWITCHPORT TRUNK NATIVE VLAN.............................................................................................928
NO VLAN..................................................................................................................................................929
SHOW VLAN............................................................................................................................................930
SWITCHPORT ACCESS VLAN ...............................................................................................................932
SWITCHPORT MODE ACCESS..............................................................................................................934
SWITCHPORT MODE TRUNK................................................................................................................935
SWITCHPORT TRUNK ALLOWED VLAN...............................................................................................937
SWITCHPORT TRUNK NATIVE VLAN....................................................................................................940
VLAN........................................................................................................................................................942

AT-8100 Switch Command Line User’s Guide
19
Chapter 62: GARP VLAN Registration Protocol ..................................................................................... 945
Overview.................................................................................................................................................. 946
Guidelines................................................................................................................................................ 949
GVRP and Network Security.................................................................................................................... 950
GVRP-inactive Intermediate Switches..................................................................................................... 951
Enabling GVRP on the Switch ................................................................................................................. 952
Enabling GIP on the Switch ..................................................................................................................... 953
Enabling GVRP on the Ports.................................................................................................................... 954
Setting the GVRP Timers......................................................................................................................... 955
Disabling GVRP Timers on the Switch..................................................................................................... 956
Disabling GVRP on the Ports................................................................................................................... 957
Disabling GIP on the Switch..................................................................................................................... 958
Disabling GVRP on the Switch................................................................................................................. 959
Restoring the GVRP Default Settings...................................................................................................... 960
Displaying GVRP ..................................................................................................................................... 961
Chapter 63: GARP VLAN Registration Protocol Commands ................................................................ 963
CONVERT DYNAMIC VLAN.................................................................................................................... 965
GVRP APPLICANT STATE ACTIVE ....................................................................................................... 966
GVRP APPLICANT STATE NORMAL..................................................................................................... 967
GVRP ENABLE........................................................................................................................................ 968
GVRP REGISTRATION........................................................................................................................... 969
GVRP TIMER JOIN.................................................................................................................................. 970
GVRP TIMER LEAVE.............................................................................................................................. 971
GVRP TIMER LEAVEALL........................................................................................................................ 972
NO GVRP ENABLE ................................................................................................................................. 973
NO GVRP TIMER JOIN........................................................................................................................... 974
NO GVRP TIMER LEAVE........................................................................................................................ 975
NO GVRP TIMER LEAVEALL ................................................................................................................. 976
PURGE GVRP......................................................................................................................................... 977
SHOW GVRP APPLICANT...................................................................................................................... 978
SHOW GVRP CONFIGURATION............................................................................................................ 979
SHOW GVRP MACHINE......................................................................................................................... 980
SHOW GVRP STATISTICS..................................................................................................................... 981
SHOW GVRP TIMER............................................................................................................................... 983
Chapter 64: MAC Address-based VLANs ................................................................................................ 985
Overview.................................................................................................................................................. 986
Egress Ports...................................................................................................................................... 986
VLANs that Span Switches................................................................................................................ 989
VLAN Hierarchy................................................................................................................................. 990
Guidelines................................................................................................................................................ 991
General Steps.......................................................................................................................................... 992
Creating MAC Address-based VLANs..................................................................................................... 993
Adding MAC Addresses to VLANs and Designating Egress Ports.......................................................... 994
Removing MAC Addresses...................................................................................................................... 995
Deleting VLANs........................................................................................................................................ 996
Displaying VLANs .................................................................................................................................... 997
Example of Creating a MAC Address-based VLAN................................................................................. 998
Chapter 65: MAC Address-based VLAN Commands ........................................................................... 1001
NO VLAN ............................................................................................................................................... 1002
NO VLAN MACADDRESS (Global Configuration Mode)....................................................................... 1003
NO VLAN MACADDRESS (Port Interface Mode).................................................................................. 1004
SHOW VLAN MACADDRESS............................................................................................................... 1006
VLAN MACADDRESS ........................................................................................................................... 1008

Contents
20
VLAN SET MACADDRESS (Global Configuration Mode)......................................................................1010
VLAN SET MACADDRESS (Port Interface Mode).................................................................................1012
Chapter 66: Private Port VLANs .............................................................................................................1015
Overview.................................................................................................................................................1016
Host Ports ........................................................................................................................................1016
Uplink Port........................................................................................................................................1016
Private VLAN Functionality ..............................................................................................................1017
Guidelines...............................................................................................................................................1018
Creating Private VLANs..........................................................................................................................1019
Adding Host and Uplink Ports.................................................................................................................1020
Deleting VLANs......................................................................................................................................1021
Displaying Private VLANs.......................................................................................................................1022
Chapter 67: Private Port VLAN Commands ...........................................................................................1023
NO VLAN................................................................................................................................................1024
PRIVATE-VLAN......................................................................................................................................1025
SHOW VLAN PRIVATE-VLAN...............................................................................................................1026
SWITCHPORT MODE PRIVATE-VLAN HOST......................................................................................1027
SWITCHPORT MODE PRIVATE-VLAN PROMISCUOUS ....................................................................1028
Chapter 68: Voice VLAN Commands .....................................................................................................1029
NO SWITCHPORT VOICE VLAN ..........................................................................................................1030
SWITCHPORT VOICE DSCP ................................................................................................................1031
SWITCHPORT VOICE VLAN.................................................................................................................1032
Section IX: Port Security .....................................................................................................................1035
Chapter 69: MAC Address-based Port Security ....................................................................................1037
Overview.................................................................................................................................................1038
Static Versus Dynamic Addresses...................................................................................................1038
Intrusion Actions...............................................................................................................................1038
Guidelines........................................................................................................................................1039
Configuring Ports....................................................................................................................................1040
Enabling MAC Address-based Security on Ports...................................................................................1042
Disabling MAC Address-based Security on Ports ..................................................................................1043
Displaying Port Settings .........................................................................................................................1044
Chapter 70: MAC Address-based Port Security Commands ...............................................................1047
NO SWITCHPORT PORT-SECURITY...................................................................................................1048
NO SWITCHPORT PORT-SECURITY AGING......................................................................................1049
SHOW PORT-SECURITY INTERFACE.................................................................................................1050
SHOW PORT-SECURITY INTRUSION INTERFACE............................................................................1053
SWITCHPORT PORT-SECURITY.........................................................................................................1055
SWITCHPORT PORT-SECURITY AGING ............................................................................................1056
SWITCHPORT PORT-SECURITY MAXIMUM.......................................................................................1057
SWITCHPORT PORT-SECURITY VIOLATION.....................................................................................1058
Chapter 71: 802.1x Port-based Network Access Control .....................................................................1061
Overview.................................................................................................................................................1062
Authentication Process...........................................................................................................................1063
Port Roles...............................................................................................................................................1064
None Role........................................................................................................................................1064
Authenticator Role............................................................................................................................1064
Supplicant Role................................................................................................................................1064
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