Name: Allied Telesis AT-GS900M Series
Brand: Allied Telesis
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AT-GS900M Series Command Reference

Section III: Layer 2 Switching 319

PURGE DHCPSNOOPING

Syntax

purge dhcpsnooping

Parameters

None

Description

Use this command to disable DHCP Snooping and delete the settings.

Confirmation Command

“SHOW DHCPSNOOPING” on page 328

Example

The following command disables DHCP Snooping and deletes the

settings:

Manager > purge dhcpsnooping

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

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Brand	Allied Telesis
Model	AT-GS900M Series
Category	Switch
Language	English