3Com Switch 4500 Family

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Related commands: dhcp server, display dhcp-server.

Examples

# Clear the statistics information of DHCP server group 2.

<Sysname> reset dhcp-server 2

Main Page

Table of Contents6
- Default Chapter1
- 1 Login Commands8
- 2 Commands for User Control43
Configuration File Management Commands48
- Configuration File Management Commands49
- Display Current-Configuration49
- File Attribute Configuration Commands49
- Display Current-Configuration Vlan53
- Display Saved-Configuration54
- Display Startup56
- Display this57
- Reset Saved-Configuration58
- Save59
- Startup Saved-Configuration61
VLAN Configuration Commands63
- Description64
- Display Interface Vlan-Interface64
- VLAN Configuration Commands64
- Display Vlan65
- Interface Vlan-Interface67
- Name67
- Shutdown68
- Vlan69
- Display Port70
- Port70
- Port-Based VLAN Configuration Commands70
- Port Access Vlan71
- Port Hybrid Pvid Vlan72
- Port Hybrid Vlan72
- Port Link-Type73
- Port Trunk Permit Vlan74
- Port Trunk Pvid Vlan75
IP Address Configuration Commands/Ip Performance Optimization Configuration Commands76
- 1 IP Address Configuration Commands77
- 2 IP Performance Optimization Configuration Commands83
Voice VLAN Configuration Commands101
- Display Voice Vlan Error-Info102
- Display Voice Vlan Oui102
- Voice VLAN Configuration Commands102
- Display Voice Vlan Status103
- Display Vlan104
- Voice Vlan105
- Voice Vlan Aging106
- Voice Vlan Enable107
- Voice Vlan Legacy107
- Voice Vlan Mac-Address108
- Voice Vlan Mode109
- Voice Vlan Security Enable110
Port Basic Configuration Commands111
- Broadcast-Suppression112
- Port Basic Configuration Commands112
- Copy Configuration113
- Description115
- Display Brief Interface115
- Display Interface117
- Display Link-Delay121
- Display Loopback-Detection121
- Display Port Combo122
- Display Unit123
- Duplex124
- Flow-Control125
- Flow Interval126
- Giant-Frame Statistics Enable126
- Interface127
- Jumboframe Enable128
- Link-Delay128
- Loopback129
- Loopback-Detection Control Enable130
- Loopback-Detection Enable131
- Loopback-Detection Interval-Time132
- Loopback-Detection Per-Vlan Enable132
- MDI133
- Multicast-Suppression133
- Reset Counters Interface134
- Shutdown135
- Speed136
- Speed Auto137
- Unicast-Suppression137
- Virtual-Cable-Test138
Link Aggregation Configuration Commands140
- Display Link-Aggregation Interface141
- Link Aggregation Configuration Commands141
- Display Link-Aggregation Summary142
- Display Link-Aggregation Verbose143
- Display Lacp System-ID144
- Lacp Enable145
- Lacp Port-Priority145
- Lacp System-Priority146
- Link-Aggregation Group Description146
- Link-Aggregation Group Mode147
- Port Link-Aggregation Group148
- Reset Lacp Statistics149
  - Port Isolation Configuration Commands151
Port Security Commands153
- Display Mac-Address Security154
- Port Security Commands154
- Display Port-Security155
- Mac-Address Security158
- Port-Security Authorization Ignore159
- Port-Security Enable160
- Port-Security Intrusion-Mode161
- Port-Security Max-Mac-Count163
- Port-Security Ntk-Mode164
- Port-Security Oui165
- Port-Security Port-Mode166
- Port-Security Timer Disableport169
- Port-Security Trap170
For Description of the Output Information, Refer to Table 1-2.173
- Display Dldp174
- DLDP Configuration Commands174
- Dldp175
- Dldp Authentication-Mode175
- Dldp Interval177
- Dldp Reset178
- Dldp Unidirectional-Shutdown178
- Dldp Work-Mode179
- Dldp Delaydown-Timer180
Examples # Set the Delaydown Timer to 5 Seconds.182
- MAC Address Table Management Configuration Commands183
Auto Detect Configuration Commands190
- Auto Detect Configuration Commands191
- Detect-Group191
- Detect-List192
- Display Detect-Group193
- Ip Route-Static Detect-Group194
- Retry196
- Standby Detect-Group196
- Timer Loop197
- Timer Wait197
Mstp Configuration Commands199
- Active Region-Configuration201
- Check Region-Configuration201
- MSTP Configuration Commands201
- Display Stp203
- Display Stp Abnormalport206
- Display Stp Portdown207
- Display Stp Region-Configuration208
- Display Stp Root209
- Instance210
- Region-Name210
- Reset Stp211
- Revision-Level212
- Stp212
- Stp Bpdu-Protection214
- Stp Bridge-Diameter215
- Stp Compliance215
- Stp Config-Digest-Snooping217
- Stp Cost219
- Stp Dot1D-Trap220
- Stp Edged-Port221
- Stp Loop-Protection222
- Stp Max-Hops224
- Stp Mcheck224
- Stp Mode226
- Stp No-Agreement-Check226
- Stp Pathcost-Standard228
- Stp Point-To-Point229
- Stp Port Priority231
- Stp Portlog232
- Stp Portlog All232
- Stp Priority233
- Stp Region-Configuration233
- Stp Root Primary234
- Stp Root Secondary235
- Stp Root-Protection236
- Stp Tc-Protection238
- Stp Tc-Protection Threshold238
- Stp Timer Forward-Delay239
- Stp Timer Hello240
- Stp Timer Max-Age241
- Stp Timer-Factor242
- Stp Transmit-Limit243
Table of Contents246
- 1 IP Routing Table Commands248
- 2 Static Route Configuration Commands261
  - Delete Static-Routes All261
  - Ip Route-Static262
- 3 RIP Configuration Commands264
- 4 IP Routing Policy Configuration Commands284
Common Multicast Configuration Commands/Igmp Snooping Configuration Commands293
- 1 Common Multicast Configuration Commands294
- 2 IGMP Snooping Configuration Commands299
Table of Contents320
- 802.1X Configuration Commands322
- 2 Quick EAD Deployment Configuration Commands342
- 3 HABP Configuration Commands345
- 4 System Guard Configuration Commands350
Aaa Configuration Commands358
- 1 AAA Configuration Commands360
- 2 EAD Configuration Commands418
  - Security-Policy-Server418
Table of Contents420
- MAC Address Authentication Basic Function Configuration Commands421
- MAC Address Authentication Enhanced Function Configuration Commands430
Arp Configuration Commands434
- Arp Anti-Attack Valid-Check Enable435
- Arp Check Enable435
- ARP Configuration Commands435
- Arp Static436
- Arp Timer Aging437
- Display Arp437
- Display Arp Count439
- Display Arp Timer Aging440
- Gratuitous-Arp Period-Resending Enable441
- Gratuitous-Arp-Learning Enable441
- Reset Arp442
Dhcp Snooping Configuration Commands/Dhcp/Bootp Client Configuration443
- Default Chapter444
  - DHCP Relay Agent Configuration Commands444
- 2 DHCP Snooping Configuration Commands455
- 3 DHCP/BOOTP Client Configuration464
  - DHCP Client Configuration Commands464
    - Display Dhcp Client464
    - Ip Address Dhcp-Alloc465
  - BOOTP Client Configuration Commands466
    - Display Bootp Client466
    - Ip Address Bootp-Alloc467
Acl Configuration Commands468
- Acl469
- ACL Configuration Commands469
- Description470
- Display Acl471
- Display Drv Qacl_Resource472
- Display Packet-Filter473
- Display Time-Range474
- Packet-Filter475
- Packet-Filter Vlan477
- Rule (for Basic Acls)478
- Rule (for Advanced Acls)480
- Rule (for Layer 2 Acls)487
- Rule (for User-Defined Acls)490
- Rule Comment493
- Time-Range494
Qos Commands497
- Display Protocol-Priority498
- Qos Commands498
- Display Qos Cos-Local-Precedence-Map499
- Display Qos-Interface All499
- Display Qos-Interface Line-Rate502
- Display Qos-Interface Mirrored-To503
- Display Qos-Interface Traffic-Limit503
- Display Qos-Interface Traffic-Priority504
- Display Qos-Interface Traffic-Remark-Vlanid505
- Display Queue-Scheduler505
- Line-Rate506
- Priority509
- Priority Trust510
- Protocol-Priority Protocol-Type511
- Qos Cos-Local-Precedence-Map513
- Queue-Scheduler514
- Traffic-Priority519
- Traffic-Priority Vlan521
- Traffic-Remark-Vlanid522
- Wred523
Mirroring Commands525
- Display Mirroring-Group526
- Mirroring Commands526
- Mirroring-Group527
- Mirroring-Group Mirroring-Port528
- Mirroring-Group Monitor-Port529
- Mirroring-Group Reflector-Port530
- Mirroring-Group Remote-Probe Vlan531
- Mirroring-Port532
- Monitor-Port533
- Remote-Probe Vlan Enable534
Related Commands: Mirroring-Group Remote-Probe VLAN. # Configure VLAN 5 as the Remote-Probe VLAN.536
- Change Self-Unit537
- XRN Fabric Commands537
- Change Unit-ID538
- Display Ftm540
- Display Xrn-Fabric543
- Fabric Save-Unit-ID544
- Fabric-Port Enable546
- Ftm Fabric-Vlan547
- Port Link-Type Xrn-Fabric548
- Xrn-Fabric Authentication-Mode548
- Reset Ftm Statistics549
- Set Unit Name549
- Sysname550
Cluster Configuration Commands552
- Cluster Configuration Commands554
- Display Ndp554
- Ndp Configuration Commands554
- NTDP Configuration Commands559
- Cluster Configuration Commands566
- Enhanced Cluster Feature Configuration Commands598
Poe Configuration Commands/Poe Profile Configuration Commands608
- 1 Poe Configuration Commands609
- 2 Poe Profile Configuration Commands621
Snmp Configuration Commands/Rmon Configuration Commands629
- 1 Snmp Configuration Commands630
- 2 Rmon Configuration Commands659
Ntp Configuration Commands674
- Display Ntp-Service Sessions675
- NTP Configuration Commands675
- Display Ntp-Service Status677
- Display Ntp-Service Trace678
- Ntp-Service Access679
- Ntp-Service Authentication Enable680
- Ntp-Service Authentication-Keyid681
- Ntp-Service Broadcast-Client681
- Ntp-Service Broadcast-Server682
- Ntp-Service In-Interface Disable682
- Ntp-Service Max-Dynamic-Sessions683
- Ntp-Service Multicast-Client684
- Ntp-Service Multicast-Server684
- Ntp-Service Reliable Authentication-Keyid685
- Ntp-Service Source-Interface686
- Ntp-Service Unicast-Peer686
- Ntp-Service Unicast-Server687
Ssh Commands689
- Display Public-Key Local690
- SSH Commands690
- Display Public-Key Peer691
- Display Rsa Local-Key-Pair Public692
- Display Rsa Peer-Public-Key693
- Display Ssh Server694
- Display Ssh Server-Info695
- Display Ssh User-Information696
- Display Ssh2 Source-Ip696
- Display Ssh-Server Source-Ip697
- Peer-Public-Key End697
- Protocol Inbound698
- Public-Key Local Create699
- Public-Key Local Destroy700
- Public-Key Local Export Rsa701
- Public-Key Peer702
- Public-Key Peer Import Sshkey703
- Public-Key-Code Begin704
- Public-Key-Code End705
- Rsa Local-Key-Pair Create706
- Rsa Local-Key-Pair Destroy707
- Rsa Peer-Public-Key707
- Rsa Peer-Public-Key Import Sshkey708
- Ssh Authentication-Type Default709
- Ssh Client Assign710
- Ssh Client First-Time Enable711
- Ssh Server Authentication-Retries712
- Ssh Server Timeout713
- Ssh User713
- Ssh User Assign715
- Ssh User Authentication-Type716
- Ssh User Service-Type717
- Ssh2718
- Ssh2 Source-Interface719
  - Ssh2 Source-Ip720
- Ssh-Server Source-Interface720
- Ssh-Server Source-Ip721
Table of Contents723
- File System Configuration Commands724
- File Attribute Configuration Commands740
- Configuration File Backup and Restore Commands745
  - Backup Current-Configuration745
  - Restore Startup-Configuration746
Ftp and Sftp Configuration Commands748
- 1 FTP and SFTP Configuration Commands750
- 2 TFTP Configuration Commands787
Information Center Configuration Commands794
- Display Channel795
- Display Info-Center795
- Information Center Configuration Commands795
- Display Logbuffer797
- Display Logbuffer Summary799
- Display Trapbuffer799
- Info-Center Channel Name800
- Info-Center Console Channel801
- Info-Center Enable801
- Info-Center Logbuffer802
- Info-Center Loghost803
- Info-Center Loghost Source804
- Info-Center Monitor Channel804
- Info-Center Snmp Channel805
- Info-Center Source806
- Info-Center Synchronous808
- Info-Center Switch-On809
- Info-Center Timestamp810
- Info-Center Timestamp Loghost810
- Info-Center Trapbuffer811
- Reset Logbuffer812
- Reset Trapbuffer812
- Terminal Debugging813
- Terminal Logging813
- Terminal Monitor814
- Terminal Trapping814
By Default, Trap Terminal Display Is Enabled. Examples # Enable Trap Terminal Display.816
- Default Chapter818
- 2 Network Connectivity Test Commands828
  - Tracert830
- 3 Device Management Commands832
Ipv6 Configuration Commands/Ipv6 Application Configuration Commands870
- 1 Ipv6 Configuration Commands871
  - Basic Ipv6 Configuration Commands871
- 2 Ipv6 Application Configuration Commands901
- Appendix A Command Index911

3Com Switch 4500 Family - Page 454

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