Allied Telesis AT-GS900M Series - User Manual

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613-002052 Rev. B

AT-GS900M Series

Gigabit Ethernet Switch

Management Software Version 2.3.2

Command Line Interface Reference

Main Page

Default Chapter3
- Table of Contents3
Preface13
- Document Conventions14
- Where to Find Web-Based Guides15
- Contacting Allied Telesis16
Section I: Getting Started17
Chapter 1: Command Line Interface19
- Management Sessions20
  - Local Management20
  - Remote Management20
- Manager Account21
- Command Format22
  - Command Line Interface Features22
  - Command Formatting Conventions22
Chapter 2: Starting a Management Session23
- Overview24
  - Requirements for Remote Management24
  - What to Configure First24
- Starting a Local Management Session25
- Starting a Remote Management Session Using Telnet26
- Starting a Remote Management Session Using the Web Browser27
- Adding a Management IP Address28
- Changing the Login Password29
- Assigning a Name to the Switch30
- Keyboard Shortcuts for Command Line Interface31
- Using Online Help33
- Saving Your Changes34
- Starting the Switch with the Default Setting35
- Ending a Management Session36
Chapter 3: Basic CLI Management Commands37
- Bye39
- Cls40
- Disable System Fan-Startstop-Alarm41
- Enable System Fan-Startstop-Alarm42
- Exit43
- Help44
- Logoff46
- Logout47
- Quit48
- Restart49
- Set Install50
- Set Password51
- Set System52
- Set System Sfp-Tempthreshold53
- Set Time54
- Show Cpu55
- Show Debug56
- Show Install57
- Show System58
- Show Time61
Chapter 4: Basic Operations63
- File System Overview64
  - File Types64
  - File Name64
- Downloading a File to the Switch65
  - Downloading a File from a TFTP Server65
  - Downloading a File Using FTP65
- Uploading a File from the Switch67
  - Uploading a File to a TFTP Server67
  - Uploading a File Using FTP67
- Updating the Management Software69
  - Updating the Management Software Using TFTP69
  - Updating the Management Software Using FTP69
Chapter 5: Basic Operations Commands71
- Activate Script73
- Clear Flash Totally74
- Copy75
- Create Config76
- Delete File77
- Disable Ftp Server78
- Enable Ftp Server79
- Load80
- Set Config81
- Set Ftp Listenport82
- Set Loader83
- Set Tftp Listenport84
- Show Config85
- Show File86
- Show Ftp88
- Show Loader89
- Show Tftp90
- Upload91
Section II: Switch Management93
Chapter 6: Log Commands95
- Disable Log96
- Disable Log Output97
- Enable Log98
- Enable Log Output99
- Flush Log Output100
- Purge Log101
- Set Log Output102
- Show Crashlog105
- Show Log106
- Show Log Counter108
- Show Log Output109
- Show Log Status110
Chapter 7: SNMP Commands111
- Add Snmp Community113
- Create Snmp Community115
- Delete Snmp Community118
- Destroy Snmp Community119
- Disable Interface Linktrap120
- Disable Snmp121
- Disable Snmp Community122
- Disable Snmp Community Trap123
- Disable Snmp Trap124
- Enable Interface Linktrap125
- Enable Snmp126
- Enble Snmp Community127
- Enable Snmp Community Trap128
- Enable Snmp Trap129
- Set Snmp Community130
- Set Snmp Listenport132
- Set Snmp Trap Listenport133
- Show Interface134
- Show Snmp137
- Show Snmp Community140
- Show Snmp Trap142
Chapter 8: Simple Network Time Control (SNTP) Commands145
- Add Ntp Peer146
- Delete Ntp Peer147
- Disable Ntp148
- Disable Summer-Time149
- Enable Ntp150
- Enable Summer-Time151
- Purge Ntp152
- Reset Ntp153
- Set Ntp154
- Set Summer-Time157
- Show Ntp158
- Show Summer-Time160
Chapter 9: Telnet Commands161
- Disable Telnet Server162
- Enable Telnet Server163
- Set Asyn164
- Set Console165
- Set Telnet167
- Show Asyn168
- Show Console169
- Show Telnet171
- Telnet172
Chapter 10: HTTP Commands173
- Disable Http Server174
- Enable Http Server175
- Set Http Listenport176
- Show Http Server177
Chapter 11: RADIUS Authentication Server Commands179
- Add Radiusserver Server180
- Delete Radiusserver Server181
- Disable Radiusaccounting182
- Enable Radiusaccounting183
- Set Authentication184
- Set Radius185
- Set Radiusaccounting186
- Show Authentication188
- Show Radius190
- Show Radiusaccounting191
Section III: Layer 2 Switching193
Chapter 12: IP Management Commands195
- Add Ip Ipaddress196
- Delete Ip198
- Disable Ip Dhcp199
- Disable Ip Remoteassign200
- Enable Ip Dhcp201
- Enable Ip Remoteassign202
- Ping203
- Set Ip204
- Show Ip206
Chapter 13: VLAN Commands209
- Add Vlan Port210
- Create Vlan212
- Delete Vlan Port213
- Destroy Vlan214
- Set Vlan Port215
- Show Vlan216
Chapter 14: Switching Commands219
- Activate Switch Port Autonegotiate222
- Add Switch Trunk223
- Create Switch Trunk224
- Delete Switch Trunk226
- Destroy Switch Trunk227
- Disable Switch Bpduforwarding228
- Disable Switch Eapforwarding229
- Disable Switch Infiltering230
- Disable Switch Loopdetection231
- Disable Switch Mirror232
- Disable Switch Port233
- Disable Switch Port Automdi234
- Disable Switch Port Flow235
- Disable Switch Powersave236
- Disable Switch Stormdetection237
- Enable Switch Bpduforwarding238
- Enable Switch Eapforwarding239
- Enable Switch Infiltering240
- Enable Switch Loopdetection241
- Enable Switch Mirror242
- Enable Switch Port243
- Enable Switch Port Automdi244
- Enable Switch Port Flow245
- Enable Switch Powersave246
- Enable Switch Stormdetection247
- Reset Switch248
- Reset Switch Loopdetection Counter249
- Reset Switch Port250
- Reset Switch Stormdetection Counter251
- Set Switch Limitation252
- Set Switch Loopdetection253
- Set Switch Mirror255
- Set Switch Port257
- Set Switch Stormdetection263
- Set Switch Trunk266
- Show Switch267
- Show Switch Counter268
- Show Switch Loopdetection269
- Show Switch Mirror271
- Show Switch Port272
- Show Switch Port Counter274
- Show Switch Stormdetection276
- Show Switch Trunk278
Chapter 15: Ethernet Protected Switched Ring (EPSR) Commands279
- Add Epsr Datavlan280
- Create Epsr281
- Delete Epsr Datavlan283
- Destroy Epsr284
- Disable Epsr285
- Enable Epsr286
- Purge Epsr287
- Show Epsr288
- Show Epsr Counter289
Chapter 16: Forwarding Database (FDB) Commands291
- Add Switch Filter292
- Delete Switch Filter294
- Disable Switch Ageingtimer295
- Enable Switch Ageingtimer296
- Reset Switch Fdb297
- Set Switch Ageingtimer298
- Show Switch Fdb299
- Show Switch Filter301
Chapter 17: DHCP Snooping Commands303
- Add Dhcpsnooping305
- Create Dhcpsnooping Macfilter306
- Delete Dhcpsnooping308
- Destroy Dhcpsnooping Macfilter309
- Disable Dhcpsnooping310
- Disable Dhcpsnooping Arpsecurity311
- Disable Dhcpsnooping Log312
- Disable Dhcpsnooping Option82313
- Enable Dhcpsnooping314
- Enable Dhcpsnooping Arpsecurity316
- Enable Dhcpsnooping Log317
- Enable Dhcpsnooping Option82318
- Purge Dhcpsnooping319
- Reset Dhcpsnooping Counter320
- Reset Dhcpsnooping Database321
- Set Dhcpsnooping Checkinterval322
- Set Dhcpsnooping Checkoption323
- Set Dhcpsnooping Macfilter324
- Set Dhcpsnooping Port326
- Show Dhcpsnooping328
- Show Dhcpsnooping Counter329
- Show Dhcpsnooping Database330
- Show Dhcpsnooping Macfilter331
- Show Dhcpsnooping Port332
Chapter 18: Power over Ethernet (Poe) Commands333
- Disable Poe Port334
- Enable Poe Port335
- Set Poe Detect336
- Set Poe Guardband337
- Set Poe Management338
- Set Poe Port339
- Set Poe Threshold341
- Show Poe342
- Show Poe Port343
Chapter 19: Power Saving Commands345
- Create Trigger346
- Destroy Trigger349
- Disable Trigger350
- Enable Trigger351
- Purge Trigger352
- Set Led Mode353
- Set Led Port354
- Set Trigger356
- Show Led359
- Show Trigger360
Chapter 20: Rapid Spanning Tree Protocol (RSTP) Commands361
- Disable Stp362
- Enable Stp363
- Purge Stp364
- Set Stp365
- Set Stp Port368
- Show Stp371
- Show Stp Portconfig374
- Show Stp Portstate375
Chapter 21: Multiple Spanning Tree Protocol (MSTP) Commands377
- Add Mstp Msti Vlan379
- Create Mstp Msti380
- Delete Mstp Msti Vlan381
- Destroy Mstp Msti382
- Disable Mstp383
- Disable Mstp Debug Msti384
- Enable Mstp385
- Enable Mstp Debug Msti387
- Purge Mstp389
- Reset Mstp Counter Port390
- Set Mstp391
- Set Mstp Cist393
- Set Mstp Cist Port394
- Set Mstp Msti397
- Set Mstp Msti Port398
- Show Mstp399
- Show Mstp Counter Port401
- Show Mstp Debug Msti402
Section IV: Security and Traffic Control403
Chapter 22: Access Filter Commands405
- Add Access Filter406
- Delete Access Filter Entry408
- Disable Access Filter410
- Enable Access Filter411
- Set Access Filter412
- Set Access Filter Entry413
- Show Access Filter415
Chapter 23: Internet Group Management Protocol (IGMP) Snooping Commands417
- Add Igmpsnooping Mcgroup418
- Delete Igmpsnooping421
- Disable Igmpsnooping422
- Enable Igmpsnooping423
- Set Igmpsnooping424
- Set Igmpsnooping Mcgroup426
- Show Igmpsnooping427
Chapter 24: Multicast Listener Discovery (MLD) Snooping Commands429
- Add Mldsnooping Mcgroup430
- Delete Mldsnooping432
- Disable Mldsnooping433
- Enable Mldsnooping434
- Set Mldsnooping435
- Set Mldsnooping Mcgroup437
- Show Mldsnooping439
Chapter 25: Quality of Service (Qos) Commands441
- Disable Qos442
- Enable Qos443
- Purge Qos444
- Set Qos Dscp445
- Set Qos Hwpriority446
- Set Qos Hwqueue448
- Set Qos Scheduling449
- Show Qos450
- Show Qos Dscp451
- Show Qos Hwpriority452
- Show Qos Hwqueue453
- Show Qos Scheduling454
Chapter 26: Policy-Based Qos Commands455
- Add Qos Flowgroup457
- Add Qos Policy458
- Add Qos Trafficclass459
- Create Classifier460
- Create Qos Flowgroup463
- Create Qos Policy465
- Create Qos Trafficclass468
- Delete Qos Flowgroup471
- Delete Qos Policy472
- Delete Qos Trafficclass473
- Destroy Classifier474
- Destroy Qos Flowgroup475
- Destroy Qos Policy476
- Destroy Qos Trafficclass477
- Purge Classifier478
- Reset Qos Policy Counter479
- Set Classifier480
- Set Qos Flowgroup483
- Set Qos Policy485
- Set Qos Trafficclass487
- Show Classifier489
- Show Qos Flowgroup493
- Show Qos Policy494
- Show Qos Policy Counter495
- Show Qos Trafficclass496
Chapter 27: Port-Based Authentication Commands497
- Add Portauth Port Supplicantmac499
- Delete Portauth Port Supplicantmac501
- Disable Portauth502
- Disable Portauth Port Logtype503
- Disable Webauthserver505
- Enable Portauth506
- Enable Portauth Port Logtype507
- Enable Webauthserver509
- Set Portauth Authmethod510
- Set Portauth Csidformat511
- Set Portauth Dhcpserver513
- SET PORTAUTH PORT (Authenticator Port for All Methods)514
- SET PORTAUTH PORT (802.1X Authenticator Port)518
- SET PORTAUTH PORT (802.1X Supplicant Port)522
- SET PORTAUTH PORT (Authenticator Port for MAC and Web)524
- SET PORTAUTH PORT (Canceling the Authentication Type)527
- Set Portauth Port Supplicantmac528
- Set Portauth Useridformat529
- Set Webauthserver531
- Show Portauth532
- Show Portauth Port Authenticator534
- Show Portauth Port Supplicant536
- Show Webauthserver538
Command Index539

Questions and Answers

H
hernandezmarthaAug 11, 2025
How to fix Allied Telesis AT-GS900M Switch when the power LED is off?
- R
  robert52Aug 11, 2025
  If the power LED on the front of your Allied Telesis switch is off, try these steps: * Ensure the power cord is securely connected to both the power source and the switch's AC connector. * Test the power outlet by plugging in another device. * Try a different power source. * Use a different power cord. * Confirm the voltage from the power source matches your region's requirements.
D
daniel62Nov 25, 2025
Why is the Allied Telesis Switch SFP transceiver Link Activity LED off?
- A
  Amber BakerNov 25, 2025
  If the Link Activity LED for an SFP transceiver on your Allied Telesis switch is off, it indicates the fiber-optic port on the transceiver isn't establishing a link. To resolve this: * Check that the connected network device is operating properly. * Ensure the fiber-optic cable is securely connected to both the switch and the remote network device. * Confirm the SFP module is fully inserted. * Verify the fiber-optic port specifications on both devices are compatible. * Use the correct type of fiber-optic cabling. * Ensure the port is connected to the correct fiber-optic cable. * Try a different network device and cable. * Use the switch's management software to enable the port. * If the remote device is manageable, check its firmware to ensure its port is enabled. * Te...

Allied Telesis AT-GS900M Series Specifications

General

Product Series	AT-GS900M Series
Type	Managed Switch
Speed	10/100/1000 Mbps
Layer	Layer 2
MAC Address Table Size	8K
Power Supply	Internal power supply
Jumbo Frame Support	9KB
Power Consumption	15 Watts
Operating Temperature	0 to 50 °C
Storage Temperature	-40°C to 70°C
Humidity	10% to 90% (non-condensing)
Ports	8 or 16 10/100/1000BASE-T ports