Dell PowerConnect 3524

Dell PowerConnect 3524

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162 DHCP Snooping

book.book Page 162 Thursday, December 18, 2008 7:40 PM

Table of Contents

Default Chapter1
- Cli Reference Guide1
- Notes and Cautions2
- Table of Contents3
1 Using the CLI25
- CLI Command Modes25
- Starting the CLI29
- Editing Features30
- Setup Wizard31
2 Command Groups33
- Introduction33
- AAA Commands35
- ACL Commands35
- Address Table Commands36
- Clock Commands Commands37
- Configuration and Image Files Commands38
- DHCP Snooping Commands39
- Ethernet Configuration Commands40
- GVRP Commands41
- IGMP Snooping Commands41
- IP Addressing Commands42
- Ipv6 Addressing Commands43
- LACP Commands44
- Line Commands44
- Line Commands45
- LLDP Commands45
- Login Banner Commands46
- Management ACL Commands46
- PHY Diagnostics Commands47
- Power-Over-Ethernet Commands47
- Port Channel Commands48
- Port Monitor Commands48
- Qos Commands48
- RADIUS Commands49
- RMON Commands50
- SNMP Commands50
- Spanning Tree Commands51
- SSH Commands53
- Syslog Commands53
- System Management Commands54
- TACACS Commands55
- TIC Commands55
- Tunnel Commands56
- User Interface Commands57
- VLAN Commands57
- Voice VLAN Commands59
  - Web Server Commands59
  - 802.1X Commands60
3 Command Modes63
- GC (Global Configuration) Mode63
- IC (Interface Configuration) Mode68
- LC (Line Configuration) Mode72
- MA (Management Access-Level) Mode72
- MC (MST Configuration) Mode72
- ML (MAC Access-List) Mode73
- PE (Privileged EXEC) Mode73
- SP (SSH Public Key) Mode76
- UE (User EXEC) Mode76
- VC (VLAN Configuration) Mode78
- IPAL (IP-Access List Configuration) Mode79
- MAL (MAC-Access List Configuration) Mode79
4 AAA Commands81
- Aaa Authentication Login81
- Aaa Authentication Enable82
- Login Authentication83
- Enable Authentication84
- Ip Http Authentication85
- Ip Https Authentication86
- Show Authentication Methods87
- Password88
- Enable Password89
- Username89
5 ACL Commands91
- Ip Access-List91
- Permit (IP)91
- Deny (IP)93
- Mac Access-List95
- Permit (MAC)96
- Deny (MAC)97
- Service-Acl98
- Show Access-Lists99
- Show Interfaces Access-Lists99
6 Address Table Commands101
- Bridge Address101
- Bridge Multicast Filtering102
- Bridge Multicast Address102
- Bridge Multicast Forbidden Address104
- Bridge Multicast Unregistered105
- Bridge Multicast Forward-All105
- Bridge Multicast Forbidden Forward-All106
- Bridge Aging-Time107
- Clear Bridge108
- Port Security109
- Port Security Mode110
- Port Security Max110
- Port Security Routed Secure-Address111
- Show Bridge Address-Table112
- Show Bridge Address-Table Static113
- Show Bridge Address-Table Count114
- Show Bridge Multicast Address-Table115
- Show Bridge Multicast Filtering117
- Show Bridge Multicast Address-Table Static118
- Show Bridge Multicast Filtering119
- Show Ports Security120
- Show Ports Security Addresses122
7 Clock125
- Clock Set125
- Clock Source126
- Clock Timezone126
- Clock Summer-Time127
- Sntp Authentication-Key128
- Sntp Authenticate129
- Sntp Trusted-Key130
- Sntp Client Poll Timer131
- Sntp Broadcast Client Enable131
- Sntp Anycast Client Enable132
- Sntp Client Enable132
- Sntp Client Enable (Interface)133
- Sntp Unicast Client Enable134
- Sntp Unicast Client Poll135
- Sntp Server135
- Show Clock137
- Show Sntp Configuration138
- Show Sntp Status139
8 Configuration and Image Files141
- Copy141
- Delete144
- Delete Startup-Config144
- Dir145
- More146
- Rename147
- Boot System148
- Show Running-Config149
- Show Startup-Config150
- Show Bootvar152
9 DHCP Snooping153
- Ip Dhcp Snooping153
- Ip Dhcp Snooping Vlan153
- Ip Dhcp Snooping Trust154
- Ip Dhcp Snooping Information Option Allowed-Untrusted155
- Ip Dhcp Snooping Verify155
- Ip Dhcp Snooping Database156
- Ip Dhcp Snooping Database Update-Freq157
- Ip Dhcp Snooping Binding157
- Clear Ip Dhcp Snooping Database158
- Show Ip Dhcp Snooping159
- Show Ip Dhcp Snooping Binding160
10 Ethernet Configuration Commands163
- Interface Ethernet163
- Interface Range Ethernet163
- Shutdown164
- Description165
- Speed166
- Duplex166
- Negotiation167
- Flowcontrol168
- MDIX168
- Back-Pressure169
- Clear Counters170
- Set Interface Active170
- Show Interfaces Advertise171
- Show Interfaces Configuration172
- Show Interfaces Status174
- Show Interfaces Description176
- Show Interfaces Counters177
- Port Storm-Control Include-Multicast179
- Port Storm-Control Broadcast Enable180
- Port Storm-Control Broadcast Rate181
- Show Ports Storm-Control182
11 GVRP Commands183
- Gvrp Enable (Global)183
- Gvrp Enable (Interface)183
- Garp Timer184
- Gvrp Vlan-Creation-Forbid185
- Gvrp Registration-Forbid186
- Clear Gvrp Statistics186
- Show Gvrp Configuration187
- Show Gvrp Statistics188
- Show Gvrp Error-Statistics189
12 IGMP Snooping Commands191
- Ip Igmp Snooping (Global)191
- Ip Igmp Snooping (Interface)191
- Ip Igmp Snooping Mrouter192
- Ip Igmp Snooping Host-Time-Out193
- Ip Igmp Snooping Mrouter-Time-Out193
- Ip Igmp Snooping Leave-Time-Out194
- Ip Igmp Snooping Querier Enable195
- Ip Igmp Snooping Querier Address196
- Show Ip Igmp Snooping Mrouter197
- Show Ip Igmp Snooping Interface198
- Show Ip Igmp Snooping Groups199
13 IP Addressing Commands201
- Ip Address201
- Ip Address Dhcp202
- Ip Default-Gateway203
- Show Ip Interface203
- Arp204
- Arp Timeout205
- Clear Arp-Cache206
- Show Arp206
- Ip Domain-Lookup207
- Ip Domain-Name208
- Ip Name-Server208
- Ip Host209
- Clear Host210
- Clear Host Dhcp210
- Show Hosts211
14 Ipv6 Addressing213
- Ipv6 Enable213
- Ipv6 Address Autoconfig214
- Ipv6 Icmp Error-Interval214
- Show Ipv6 Icmp Error-Interval215
- Ipv6 Address216
- Ipv6 Address Link-Local217
- Ipv6 Unreachables218
- Ipv6 Default-Gateway219
- Ipv6 Mld Join-Group220
- Ipv6 Mld Version220
- Show Ipv6 Interface221
- Show Ipv6 Route224
- Ipv6 Nd Dad Attempts225
- Ipv6 Host226
- Ipv6 Neighbor227
- Ipv6 Set Mtu228
- Show Ipv6 Neighbors229
- Clear Ipv6 Neighbors230
15 LACP Commands231
- Lacp System-Priority231
- Lacp Port-Priority231
- Lacp Timeout232
- Show Lacp Ethernet233
- Show Lacp Port-Channel236
16 Line Commands237
- Line237
- Speed238
- Autobaud238
- Exec-Timeout239
- History240
- History Size240
- Terminal History241
- Terminal History Size242
- Show Line242
17 Management ACL245
- Management Access-List245
- Permit (Management)247
- Deny (Management)248
- Management Access-Class249
- Show Management Access-List249
- Show Management Access-Class250
18 LLDP Commands251
- Lldp Enable (Global)251
- Lldp Enable (Interface)251
- Lldp Timer252
- Lldp Hold-Multiplier253
- Lldp Reinit-Delay254
- Lldp Tx-Delay255
- Lldp Optional-Tlv255
- Lldp Management-Address256
- Lldp Med Enable257
- Lldp Med Network-Policy (Global)258
- Lldp Med Network-Policy (Interface)259
- Lldp Med Location259
- Clear Lldp Rx260
- Show Lldp Configuration261
- Show Lldp Med Configuration262
- Show Lldp Local263
- Show Lldp Neighbors265
19 Login Banner267
- Banner Exec267
- Banner Login269
- Banner Motd271
- Exec-Banner273
- Login-Banner273
- Motd-Banner274
- Show Banner275
20 PHY Diagnostics Commands277
- Test Copper-Port Tdr277
- Show Copper-Ports Tdr278
- Show Copper-Ports Cable-Length278
21 Power over Ethernet Commands281
- Power Inline281
- Power Inline Powered-Device281
- Power Inline Priority282
- Power Inline Usage-Threshold283
- Power Inline Traps Enable284
- Show Power Inline284
22 Port Channel Commands291
- Interface Port-Channel291
- Interface Range Port-Channel291
- Channel-Group292
- Show Interfaces Port-Channel293
23 Port Monitor Commands295
- Port Monitor295
- Show Ports Monitor296
24 Qos Commands299
- Qos299
- Show Qos299
- Priority-Queue out Num-Of-Queues300
- Traffic-Shape301
- Rate-Limit (Ethernet)301
- Wrr-Queue Cos-Map302
- Show Qos Interface303
- Qos Map Dscp-Queue305
- Qos Trust (Global)306
- Qos Trust (Interface)307
- Qos Cos307
- Show Qos Map308
25 RADIUS Commands311
- Radius-Server Host311
- Radius-Server Key312
- Radius-Server Retransmit313
- Radius-Server Source-Ip314
- Radius-Server Source-Ipv6314
- Radius-Server Timeout315
- Radius-Server Deadtime316
- Show Radius-Servers316
26 RMON Commands319
- Show Rmon Statistics319
- Rmon Collection History321
- Show Rmon Collection History322
- Show Rmon History323
- Rmon Alarm326
- Show Rmon Alarm-Table328
- Show Rmon Alarm329
- Rmon Event330
- Show Rmon Events331
- Show Rmon Log333
- Rmon Table-Size334
27 SNMP Commands335
- Snmp-Server Community335
- Snmp-Server View336
- Snmp-Server Group338
- Snmp-Server User340
- Snmp-Server Engineid Local341
- Snmp-Server Enable Traps343
- Snmp-Server Filter343
- Snmp-Server Host344
- Snmp-Server V3-Host346
- Snmp-Server Trap Authentication348
- Snmp-Server Contact348
- Snmp-Server Location349
- Snmp-Server Set349
- Show Snmp350
- Show Snmp Engineid352
- Show Snmp Views353
- Show Snmp Groups353
- Show Snmp Filters355
- Show Snmp Users356
28 Spanning-Tree Commands357
- Spanning-Tree357
- Spanning-Tree Mode357
- Spanning-Tree Forward-Time358
- Spanning-Tree Hello-Time359
- Spanning-Tree Max-Age360
- Spanning-Tree Priority360
- Spanning-Tree Disable361
- Spanning-Tree Cost361
- Spanning-Tree Port-Priority362
- Spanning-Tree Portfast363
- Spanning-Tree Link-Type364
- Spanning-Tree Pathcost Method364
- Spanning-Tree Bpdu365
- Clear Spanning-Tree Detected-Protocols366
- Spanning-Tree Mst Priority366
- Spanning-Tree Mst Max-Hops367
- Spanning-Tree Mst Port-Priority368
- Spanning-Tree Mst Cost369
- Spanning-Tree Mst Configuration369
- Instance (Mst)370
- Name (Mst)371
- Revision (Mst)372
- Show (Mst)372
- Exit (Mst)373
- Abort (Mst)374
- Show Spanning-Tree375
- Spanning-Tree Guard Root389
29 SSH Commands391
- Ip Ssh Port391
- Ip Ssh Server391
- Crypto Key Generate Dsa392
- Crypto Key Generate Rsa393
- Ip Ssh Pubkey-Auth393
- Crypto Key Pubkey-Chain Ssh394
- User-Key395
- Key-String396
- Show Ip Ssh398
- Show Crypto Key Mypubkey399
- Show Crypto Key Pubkey-Chain Ssh400
30 Syslog Commands401
- Logging on401
- Logging401
- Logging Console403
- Logging Buffered404
- Logging Buffered Size404
- Clear Logging405
- Logging File406
- Clear Logging File406
- Aaa Logging407
- File-System Logging407
- Management Logging408
- Show Logging409
- Show Logging File411
- Show Syslog-Servers412
31 System Management415
- Ping415
- Traceroute417
- Telnet420
- Resume423
- Reload423
- Hostname424
- Service Cpu-Utilization425
- Stack Master425
- Stack Reload426
- Show Stack427
- Show Users428
- Show Sessions429
- Show System430
- Show Version431
- Asset-Tag432
- Show System ID433
- Show Cpu Utilization434
32 TACACS+ Commands435
- Tacacs-Server Host435
- Tacacs-Server Key436
- Tacacs-Server Timeout437
- Tacacs-Server Source-Ip437
- Show Tacacs438
33 TIC Commands441
- Passwords Min-Length441
- Password-Aging442
- Passwords Aging442
- Passwords History443
- Passwords History Hold-Time444
- Passwords Lockout445
- Aaa Login-History File446
- Set Username Active446
- Set Line Active447
- Set Enable-Password Active447
- Show Passwords Configuration448
- Show Users Login-History450
- Show Users Accounts451
34 Tunnel453
- Interface Tunnel453
- Tunnel Mode Ipv6Ip453
- Tunnel Isatap Router454
- Tunnel Source455
- Tunnel Isatap Query-Interval456
- Tunnel Isatap Solicitation-Interval457
- Tunnel Isatap Robustness458
- Show Ipv6 Tunnel458
35 User Interface461
- Enable461
- Disable461
- Login462
- Configure463
- Exit (Configuration)463
- Exit464
- End464
- Help465
- Terminal Datadump466
- Show History467
- Show Privilege468
36 VLAN Commands469
- Vlan Database469
- Vlan469
- Interface Vlan470
- Interface Range Vlan471
- Name471
- Switchport Access Vlan472
- Switchport Trunk Allowed Vlan473
- Switchport Trunk Native Vlan473
- Switchport General Allowed Vlan474
- Switchport General Pvid475
- Switchport General Ingress-Filtering Disable476
- Switchport General Acceptable-Frame-Type Tagged-Only476
- Switchport Forbidden Vlan477
- Switchport Mode478
- Switchport Customer Vlan479
- Switchport Protected479
- Map Protocol Protocols-Group480
- Switchport General Map Protocols-Group Vlan481
- Ip Internal-Usage-Vlan482
- Mac-To-Vlan483
- Show Vlan Mac-To-Vlan484
- Show Vlan484
- Show Vlan Protocols-Groups485
- Show Vlan Internal Usage486
- Show Interfaces Switchport487
37 Voice VLAN493
- Voice Vlan ID493
- Voice Vlan Oui-Table493
- Voice Vlan Cos495
- Voice Vlan Aging-Timeout496
- Voice Vlan Enable496
- Voice Vlan Secure497
- Show Voice Vlan498
38 Web Server501
- Ip Http Server501
- Ip Http Port501
- Ip Http Exec-Timeout502
- Ip Https Server503
- Ip Https Port503
- Ip Https Exec-Timeout504
- Crypto Certificate Generate505
- Crypto Certificate Request506
- Crypto Certificate Import508
- Ip Https Certificate509
- Show Crypto Certificate Mycertificate510
- Show Ip Http511
- Show Ip Https512
39 1X Commands515
- Aaa Authentication Dot1X515
- Dot1X System-Auth-Control516
- Dot1X Port-Control516
- Dot1X Re-Authentication517
- Dot1X Timeout Re-Authperiod518
- Dot1X Re-Authenticate519
- Dot1X Timeout Quiet-Period519
- Dot1X Timeout Tx-Period520
- Dot1X Max-Req521
- Dot1X Timeout Supp-Timeout522
- Dot1X Timeout Server-Timeout522
- Dot1X Send-Async-Request-ID523
- Show Dot1X524
- Show Dot1X Users527
- Show Dot1X Statistics528
- Advanced Features530
- Dot1X Auth-Not-Req530
- Dot1X Multiple-Hosts531
- Dot1X Single-Host-Violation532
- Dot1X Guest-Vlan533
- Dot1X Guest-Vlan Enable534
- Dot1X Mac-Authentication534
- Dot1X Traps Mac-Authentication Failure535
- Dot1X Radius-Attributes Vlan536
- Show Dot1X Advanced537

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