Dell MX9116n EMC SmartFabric OS10 User Guide Release 10.5.0 - Page 231
ip dhcp snooping verify mac-address, show ip arp inspection database, Parameters, Defaults
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Parameters None Defaults Untrusted Command Mode INTERFACE Usage Information This command configures a physical or port channel interface as trusted. By default all physical and port channel interfaces in the DHCP snooping enabled VLAN are untrusted. You can configure a DHCP server-facing physical or port channel interface as trusted. The system permits DHCP server packets only if they ingress through a trusted interface. If the system receives DHCP packets on an untrusted interface, it interprets the device that is connected to the untrusted interface as rogue DHCP server and drops the packet. The no version of this command resets the interface to untrusted. Example OS10(conf-if-eth1/1/33)# ip dhcp snooping trust Supported Releases 10.5.0 or later ip dhcp snooping verify mac-address Enables DHCPv4 source MAC address validation Syntax Parameters ip dhcp snooping verify mac-address None Defaults Disabled Command Mode CONFIGURATION Usage Information This command enables DHCPv4 source MAC address validation to validate the source hardware address of a DHCP packet against the client hardware address field (CHADDR) in the DHCP payload. Example OS10(config)# ip dhcp snooping verify mac-address Supported Releases 10.5.0 or later show ip arp inspection database Displays the contents of the DAI database. Syntax Parameters show ip arp inspection database None Defaults None Command Mode EXEC Usage Information This command displays the list of snooped hosts from which ARP packets were processed. Example OS10# show ip arp inspection database Number of entries : 3 Address Hardware Address Interface VLAN 55.2.1.1 00:40:50:00:00:00 port-channel100 vlan3001 200.1.1.134 00:2a:10:01:00:00 port-channel100 vlan3001 200.1.1.62 00:2a:10:01:00:01 port-channel100 vlan3001 Supported Releases 10.5.0 or later System management 231
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1,191
-
1,192
-
1,193
-
1,194
-
1,195
-
1,196
-
1,197
-
1,198
-
1,199
-
1,200
-
1,201
-
1,202
-
1,203
-
1,204
-
1,205
-
1,206
-
1,207
-
1,208
-
1,209
-
1,210
-
1,211
-
1,212
-
1,213
-
1,214
-
1,215
-
1,216
-
1,217
-
1,218
-
1,219
-
1,220
-
1,221
-
1,222
-
1,223
-
1,224
-
1,225
-
1,226
-
1,227
-
1,228
-
1,229
-
1,230
-
1,231
-
1,232
-
1,233
-
1,234
-
1,235
-
1,236
-
1,237
-
1,238
-
1,239
-
1,240
-
1,241
-
1,242
-
1,243
-
1,244
-
1,245
-
1,246
-
1,247
-
1,248
-
1,249
-
1,250
-
1,251
-
1,252
-
1,253
-
1,254
-
1,255
-
1,256
-
1,257
-
1,258
-
1,259
-
1,260
-
1,261
-
1,262
-
1,263
-
1,264
-
1,265
-
1,266
-
1,267
-
1,268
-
1,269
-
1,270
-
1,271
-
1,272
-
1,273
-
1,274
-
1,275
-
1,276
-
1,277
-
1,278
-
1,279
-
1,280
-
1,281
-
1,282
-
1,283
-
1,284
-
1,285
-
1,286
-
1,287
-
1,288
-
1,289
-
1,290
-
1,291
-
1,292
-
1,293
-
1,294
-
1,295
-
1,296
-
1,297
-
1,298
-
1,299
-
1,300
-
1,301
-
1,302
-
1,303
-
1,304
-
1,305
-
1,306
-
1,307
-
1,308
-
1,309
-
1,310
-
1,311
-
1,312
-
1,313
-
1,314
-
1,315
-
1,316
-
1,317
-
1,318
-
1,319
-
1,320
-
1,321
-
1,322
-
1,323
-
1,324
-
1,325
-
1,326
-
1,327
-
1,328
-
1,329
-
1,330
-
1,331
-
1,332
-
1,333
-
1,334
-
1,335
-
1,336
-
1,337
-
1,338
-
1,339
-
1,340
-
1,341
-
1,342
-
1,343
-
1,344
-
1,345
-
1,346
-
1,347
-
1,348
-
1,349
-
1,350
-
1,351
-
1,352
-
1,353
-
1,354
-
1,355
-
1,356
-
1,357
-
1,358
-
1,359
-
1,360
-
1,361
-
1,362
-
1,363
-
1,364
-
1,365
-
1,366
-
1,367
-
1,368
-
1,369
-
1,370
-
1,371
-
1,372
-
1,373
-
1,374
-
1,375
-
1,376
-
1,377
-
1,378
-
1,379
-
1,380
-
1,381
-
1,382
-
1,383
-
1,384
-
1,385
-
1,386
-
1,387
-
1,388
-
1,389
-
1,390
-
1,391
-
1,392
-
1,393
-
1,394
-
1,395
-
1,396
-
1,397
-
1,398
-
1,399
-
1,400
-
1,401
-
1,402
-
1,403
-
1,404
-
1,405
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![](/manual_guide/products/dell-mx5108n-emc-smartfabric-os10-user-guide-release-1050-89c4d24/231.png)