H3C S3100 Series

H3C S3100 Series

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2-15

Description

Use the reset dhcp-snooping command to remove DHCP snooping entries from a switch. If no

ip-address is specified, all DHCP snooping entries are removed.

Examples

# Remove all DHCP snooping entries from the switch.

<Sysname> reset dhcp-snooping

Table of Contents

Table of Contents13
- Software Version6
- Documentation Feedback12
- Obtaining Documentation12
- CLI Configuration Commands14
Login Commands/Commands for User Control21
- 1 Login Commands22
- 2 Commands for User Control48
Configuration File Management Commands53
- Configuration File Management Commands54
- Display Current-Configuration54
- File Attribute Configuration Commands54
- Display Current-Configuration Vlan58
- Display Saved-Configuration59
- Display Startup61
- Display this62
- Reset Saved-Configuration62
- Save63
- Startup Saved-Configuration65
VLAN Configuration Commands66
- VLAN Configuration Commands67
- Port-Based VLAN Configuration Commands74
- MAC Address-Based VLAN Configuration Commands80
- Protocol-Based VLAN Configuration Commands82
Static Route Configuration Commands88
- Delete Static-Routes All89
- Display Ip Routing-Table89
- Static Route Configuration Commands89
- Display Ip Routing-Table Acl90
- Display Ip Routing-Table Ip-Address92
- Display Ip Routing-Table Ip-Address1 Ip-Address294
- Display Ip Routing-Table Protocol94
- Display Ip Routing-Table Radix95
- Display Ip Routing-Table Statistics96
- Ip Route-Static98
- Reset Ip Routing-Table Statistics Protocol99
IP Address Configuration Commands/Ip Performance Configuration Commands101
- 1 IP Address Configuration Commands102
- 2 IP Performance Configuration Commands106
Voice VLAN Configuration Commands123
- Display Voice Vlan Error-Info124
- Display Voice Vlan Oui124
- Voice VLAN Configuration Commands124
- Display Voice Vlan Status125
- Display Vlan126
- Voice Vlan127
- Voice Vlan Aging128
- Voice Vlan Enable129
- Voice Vlan Legacy129
- Voice Vlan Mac-Address130
- Voice Vlan Mode131
- Voice Vlan Qos132
- Voice Vlan Qos Trust132
- Voice Vlan Security Enable133
Gvrp Configuration Commands135
- GARP Configuration Commands136
- GVRP Configuration Commands136
- GVRP Configuration Commands140
Port Basic Configuration Commands144
- Broadcast-Suppression146
- Port Basic Configuration Commands146
- Copy Configuration147
- Description149
- Display Brief Interface150
- Display Interface151
- Display Link-Delay155
- Display Loopback-Detection156
- Display Port Combo156
- Display Port-Group157
- Display Storm-Constrain158
- Display Unit159
- Duplex160
- Enable Log Updown161
- Flow-Interval161
- Flow-Control162
- Interface163
- Jumboframe Enable163
- Link-Delay164
- Loopback165
- Loopback-Detection Control Enable165
- Loopback-Detection Enable166
- Loopback-Detection Interface-List Enable167
- Loopback-Detection Interval-Time168
- Loopback-Detection Per-Vlan Enable169
- Loopback-Detection Shutdown Enable169
- MDI170
- Multicast-Suppression171
- Port172
- Port-Group173
- Reset Counters Interface173
- Shutdown174
- Speed175
- Speed Auto175
- Storm-Constrain176
- Storm-Constrain Control177
- Storm-Constrain Enable177
- Storm-Constrain Interval178
- Virtual-Cable-Test179
Table of Contents181
- Display Link-Aggregation Interface182
- Display Link-Aggregation Summary183
- Display Link-Aggregation Verbose184
- Display Lacp System185
- Lacp Enable186
- Lacp Port-Priority186
- Lacp System-Priority187
- Link-Aggregation Group Description187
- Link-Aggregation Group Mode188
- Port Link-Aggregation Group188
- Reset Lacp Statistics189
Port Binding Commands193
- Mac-Address Security198
- Port-Security Authorization Ignore199
- Port-Security Enable200
- Port-Security Guest-Vlan201
- Port-Security Intrusion-Mode202
- Port-Security Max-Mac-Count204
- Port-Security Ntk-Mode205
- Port-Security Oui206
- Port-Security Port-Mode207
- Port-Security Timer Autolearn210
- Port-Security Timer Disableport211
- Port-Security Timer Guest-Vlan-Reauth212
- Port-Security Trap213
- Am User-Bind215
- Port Binding Commands215
- Display am User-Bind216
- Display am User-Bind Ipv6217
Dldp Configuration Commands219
- Display Dldp220
- DLDP Configuration Commands220
- Dldp221
- Dldp Authentication-Mode222
- Dldp Interval223
- Dldp Reset224
- Dldp Unidirectional-Shutdown224
- Dldp Work-Mode225
- Dldp Delaydown-Timer226
Examples228
- Display Mac-Address Aging-Time229
- MAC Address Table Management Configuration Commands229
- Display Mac-Address230
- Mac-Address232
- Mac-Address Max-Mac-Count233
- Mac-Address Max-Mac-Count 0234
- Mac-Address Timer235
- Mac-Address-Mapping235
- Port-Mac236
Examples # Set the Start Port Mac Address to 000F-E200-0001.238
- Active Region-Configuration240
- Bpdu-Drop any240
- MSTP Configuration Commands240
- Check Region-Configuration241
- Display Stp242
- Display Stp Abnormalport246
- Display Stp Portdown247
- Display Stp Region-Configuration248
- Display Stp Root249
- Instance249
- Region-Name250
- Reset Stp251
- Revision-Level251
- Stp252
- Stp Bpdu-Protection254
- Stp Bridge-Diameter254
- Stp Compliance255
- Stp Config-Digest-Snooping256
- Stp Cost258
- Stp Dot1D-Trap260
- Stp Edged-Port261
- Stp Loop-Protection262
- Stp Max-Hops264
- Stp Mcheck264
- Stp Mode266
- Stp No-Agreement-Check266
- Stp Pathcost-Standard268
- Stp Point-To-Point269
- Stp Port Priority271
- Stp Portlog272
- Stp Portlog All272
- Stp Priority273
- Stp Region-Configuration274
- Stp Root Primary274
- Stp Root Secondary276
- Stp Root-Protection277
- Stp Tc-Protection278
- Stp Tc-Protection Threshold279
- Stp Timer Forward-Delay280
- Stp Timer Hello280
- Stp Timer Max-Age281
- Stp Timer-Factor282
Igmp Snooping Configuration Commands/Mld Snooping Configuration Commands287
- 1 IGMP Snooping Configuration Commands290
- 2 MLD Snooping Configuration Commands310
- 3 Ipv6 Multicast VLAN Configuration Commands336
- 4 Multicast User Control Policy Commands340
- 5 Common Multicast Configuration Commands355
Table of Contents361
- Default Chapter363
  - 802.1X Configuration Commands363
- 2 Quick EAD Deployment Configuration Commands386
- 3 HABP Configuration Commands389
- 4 System-Guard Configuration Commands (for S3100393
  - System-Guard Configuration Commands393
- 5 System-Guard Configuration Commands (for S3100398
  - System-Guard Configuration Commands398
Aaa Configuration Commands402
- AAA Configuration Commands405
- RADIUS Configuration Commands437
- HWTACACS Configuration Commands470
Table of Contents487
- MAC Address Authentication Basic Function Configuration Commands488
- MAC Address Authentication Enhanced Function Configuration Commands497
Web Authentication Configuration Commands503
- Web Authentication Configuration Commands504
- Display Web-Authentication Connection505
- Web-Authentication Auth-Fail Vlan506
- Web-Authentication Customize507
- Web-Authentication Cut Connection508
- Web-Authentication Free-User510
- Web-Authentication Max-Connection511
- Web-Authentication Move-Mode512
- Web-Authentication Protocol512
- Web-Authentication Select Method513
- Web-Authentication Timer Idle-Cut514
- Web-Authentication Timer Max-Online515
- Web-Authentication Web-Proxy Port515
- Web-Authentication Web-Server516
Arp Configuration Commands517
- ARP Configuration Commands518
- Arp Detection Trust519
- Arp Protective-Down Recover Enable520
- Arp Protective-Down Recover Interval520
- Arp Rate-Limit521
- Arp Rate-Limit Enable522
- Arp Restricted-Forwarding Enable522
- Arp Static523
- Arp Timer Aging524
- Display Arp524
- Display Arp Count527
- Display Arp Detection Statistics Interface527
- Display Arp Timer Aging528
- Gratuitous-Arp-Learning Enable528
- Reset Arp529
Dhcp Server Configuration Commands530
- 1 DHCP Server Configuration Commands532
- 2 DHCP Snooping Configuration Commands569
- 3 Rate Limit Configuration Commands584
- 4 DHCP/BOOTP Client Configuration588
Acl Configuration Commands592
- Acl593
- ACL Configuration Commands593
- Description594
- Display Acl595
- Display Acl Remaining Entry596
- Display Ipv6-Acl-Template597
- Display Packet-Filter597
- Display Time-Range598
- Ipv6-Acl-Template599
- Packet-Filter600
- Packet-Filter Vlan602
- Rule (for Basic Acls)603
- Rule (for Advanced Acls)605
- Rule (for Layer 2 Acls)611
- Rule (for Ipv6 Acls)614
- Rule Comment615
- Time-Range616
Qos Commands619
- 1 Qos Commands621
- 2 Qos Profile Configuration Commands665
Table of Contents672
- Mirroring Commands673
- Mirroring-Group 1673
- Mirroring-Group Mirroring-Port675
- Mirroring-Group Monitor-Port676
- Mirroring-Group Reflector-Port677
- Mirroring-Group Remote-Probe Vlan678
- Mirroring-Port678
- Monitor-Port679
- Remote-Probe Vlan Enable680
Stack Function Configuration Commands/Cluster Configuration Commands682
- 1 Stack Function Configuration Commands684
- 2 Cluster Configuration Commands689
Poe Profile Configuration Commands741
- Display Poe Interface742
- Display Poe Interface Power744
- Poe Enable746
  - Poe Legacy Enable746
- Poe Max-Power747
- Poe Mode748
- Poe Power-Management748
- Poe Priority749
- Poe Temperature-Protection750
- Poe Update750
- Poe Profile Configuration Commands752
- Display Poe-Profile753
- Poe-Profile754
Snmp Configuration Commands/Rmon Configuration Commands755
- 1 SNMP Configuration Commands756
- 2 RMON Configuration Commands785
Ntp Configuration Commands800
- NTP Configuration Commands801
- Display Ntp-Service Status802
- Ntp-Service Access804
- Ntp-Service Authentication-Keyid806
- Ntp-Service Broadcast-Server807
- Ntp-Service Max-Dynamic-Sessions808
- Ntp-Service Multicast-Client809
- Ntp-Service Multicast-Server809
- Ntp-Service Reliable Authentication-Keyid810
- Ntp-Service Source-Interface811
- Ntp-Service Unicast-Peer811
- Ntp-Service Unicast-Server812
Ssh Commands814
- SSH Commands815
- Display Public-Key Peer816
- Display Rsa Local-Key-Pair Public818
- Display Rsa Peer-Public-Key819
- Display Ssh Server820
- Display Ssh Server-Info821
- Display Ssh User-Information822
- Peer-Public-Key End823
- Public-Key Local Create824
- Public-Key Local Destroy826
- Public-Key Local Export Rsa827
- Public-Key Local Export Dsa828
- Public-Key Peer830
- Public-Key Peer Import Sshkey830
- Public-Key-Code Begin831
- Public-Key-Code End832
- Rsa Local-Key-Pair Create833
- Rsa Local-Key-Pair Destroy834
- Rsa Peer-Public-Key835
- Rsa Peer-Public-Key Import Sshkey836
- Ssh Authentication-Type Default837
- Ssh Client Assign838
- Ssh Client First-Time Enable839
- Ssh Server Authentication-Retries840
- Ssh Server Compatible-Ssh1X Enable841
- Ssh Server Rekey-Interval841
- Ssh Server Timeout842
  - Ssh User843
- Ssh User Assign844
- Ssh User Authentication-Type845
- Ssh User Service-Type846
- Ssh2847
Table of Contents849
- File System Management Configuration850
- Copy851
- Delete852
- Dir853
- Execute855
  - File Prompt855
- Fixdisk856
- Format857
- Mkdir857
- More858
- Move859
- Pwd859
- Rename860
- Reset Recycle-Bin860
- Rmdir862
- Undelete862
- File Attribute Configuration Commands863
- Boot Boot-Loader Backup-Attribute864
- Boot Web-Package864
- Display Boot-Loader865
- Display Web Package866
- Startup Bootrom-Access Enable866
Table of Contents868
- Display Ftp-User871
  - Ftp Server Enable872
  - Ftp Timeout873
- FTP Client Configuration Commands874
- SFTP Server Configuration Commands888
- SFTP Client Configuration Commands889
- TFTP Configuration Commands899
  - Tftp-Server Acl901
Examples # Specify to Adopt Acl 2000 on the Tftp Client.903
- Information Center Configuration Commands904
  - Display Channel904
  - Display Logbuffer906
- Display Logbuffer Summary907
  - Display Trapbuffer908
- Info-Center Console Channel909
- Info-Center Enable910
- Info-Center Logbuffer910
- Info-Center Loghost911
- Info-Center Loghost Source912
- Info-Center Monitor Channel912
- Info-Center Snmp Channel913
- Info-Center Source914
- Info-Center Timestamp Loghost917
- Info-Center Trapbuffer919
Network Connectivity Test Commands/Device Management Commands923
- Default Chapter925
- 2 Network Connectivity Test Commands936
  - Ping936
  - Tracert938
- 3 Device Management Commands940
- 4 Scheduled Task Configuration Commands957
  - Job957
  - View957
Table of Contents961
- 1 VLAN-VPN Configuration Commands962
  - Vlan-Vpn Enable963
  - Vlan-Vpn Tpid963
- 2 Selective Qinq Configuration Commands965
  - Vlan-Vpn VID966
  - Vlan-Vpn Selective Enable967
- 3 BPDU Tunnel Configuration Commands968
  - Bpdu-Tunnel Tunnel-Dmac969
  - Display Bpdu-Tunnel970
Table of Contents978
- Count980
- Datafill981
- Datasize982
- Description983
- Display Hwping Statistics990
- Dns Resolve-Target992
- Filename993
- Filesize993
- Frequency994
- History Keep-Time995
- History-Record Enable996
- Hwping998
- Hwping-Agent Clear999
- Hwping-Agent Enable999
- Hwping-Agent Max-Requests1000
- Password1002
- Statistics Keep-Time1007
- Test-Time Begin1007
- Timeout1010
Table of Contents1015
- Dhcp-Snooping Ipv6 Information Option1018
- Dhcp-Snooping Ipv6 Max-Learning-Num1019
- Dhcp-Snooping Ipv6 Trust1020
- Display Dhcp-Snooping Ipv61020
- Display Dns Ipv6 Dynamic-Host1021
- Display Ipv6 Fib1022
- Display Ipv6 Host1023
- Display Ipv6 Interface1024
- Display Ipv6 Nd Detection1026
- Display Ipv6 Nd Detection Statistics1026
- Display Ipv6 Nd Snooping1027
- Display Ipv6 Neighbors1028
  - Display Ipv6 Neighbors Count1029
- Display Ipv6 Route-Table1030
- Display Ipv6 Socket1032
- Display Ipv6 Source Static Binding1033
- Display Ipv6 Statistics1033
  - Display Tcp Ipv6 Statistics1036
- Display Tcp Ipv6 Status1038
- Display Udp Ipv6 Statistics1038
  - Dns Server Ipv61039
  - Ipv6 Address1040
- Ipv6 Address Auto Link-Local1041
- Ipv6 Address Eui-641041
- Ipv6 Address Link-Local1043
- Ipv6 Check Source Ip-Address1043
- Ipv6 Icmp-Error1044
  - Ipv6 Host1044
- Ipv6 Nd Dad Attempts1045
- Ipv6 Nd Hop-Limit1046
- Ipv6 Nd Ns Retrans-Timer1046
- Ipv6 Nd Detection Enable1047
- Ipv6 Nd Nud Reachable-Time1047
- Ipv6 Nd Detection Trust1048
- Ipv6 Nd Snooping Enable1048
- Ipv6 Nd Snooping Uplink1049
- Ipv6 Nd Snooping Max-Learning-Num1050
  - Ipv6 Neighbor1050
- Ipv6 Neighbors Max-Learning-Num1051
- Ipv6 Route-Static1052
- Ipv6 Source Static Binding1052
- Reset Dhcp-Snooping Ipv6 All1053
- Reset Dns Ipv6 Dynamic-Host1054
- Reset Ipv6 Nd Detection Statistics1054
- Reset Ipv6 Nd Snooping1055
- Reset Ipv6 Neighbors1055
- Reset Ipv6 Statistics1056
- Reset Tcp Ipv6 Statistics1056
- Reset Udp Ipv6 Statistics1056
- Tcp Ipv6 Timer Fin-Timeout1057
- Tcp Ipv6 Timer Syn-Timeout1057
- Tcp Ipv6 Window1058
- Ipv6 Application Configuration Commands1059
  - Tftp Ipv61061
  - Tracert Ipv61062
  - Display Dns Server1066
  - Display Ip Host1067
  - Dns Resolve1069
  - Dns Server1069
Monitor Link Configuration Commands1072
- Display Smart-Link Group1074
- Flush Enable Control-Vlan1075
- Link-Aggregation Group1075
- Port Smart-Link Group1077
- Reset Smart-Link Packets Counter1078
- Smart-Link Flush Enable1078
- Smart-Link Group1079
- Monitor Link Configuration Commands1081
- Link-Aggregation Group1082
- Monitor-Link Group1083
- Port Monitor-Link Group1084
- Smart-Link Group1085
Lldp Configuration Commands1092
- LLDP Configuration Commands1093
- Display Lldp Neighbor-Information1097
- Display Lldp Status1102
- Display Lldp Tlv-Config1104
- Lldp Admin-Status1106
- Lldp Check-Change-Interval1106
- Lldp Compliance Admin-Status Cdp1107
- Lldp Compliance Cdp1108
- Lldp Encapsulation Snap1109
- Lldp Fast-Count1109
- Lldp Hold-Multiplier1110
- Lldp Management-Address-Tlv1111
- Lldp Notification Remote-Change Enable1111
- Lldp Timer Notification-Interval1112
- Lldp Timer Reinit-Delay1112
- Lldp Timer Tx-Delay1113
- Lldp Timer Tx-Interval1113
- Lldp Tlv-Enable1114
Table of Contents1117
- Certificate Request Entity1119
- Certificate Request from1120
- Certificate Request Mode1120
- Certificate Request Polling1121
- Certificate Request Url1122
- Crl Update-Period1124
  - Crl Check1124
- Display Pki Certificate1125
- Display Pki Certificate Access-Control-Policy1127
- Display Pki Certificate Attribute-Group1128
- Display Pki Crl Domain1128
- Ip (PKI Entity View)1130
- Pki Certificate Access-Control-Policy1133
- Pki Certificate Attribute-Group1134
- Pki Delete-Certificate1134
  - Pki Domain1135
  - Pki Entity1135
- Pki Import-Certificate1136
- Pki Request-Certificate Domain1136
- Pki Retrieval-Certificate1137
- Pki Retrieval-Crl Domain1138
- Pki Validate-Certificate1138
- Root-Certificate Fingerprint1139
- Rule (Access Control Policy View)1139
  - Client-Verify Enable1143
  - Close-Mode Wait1143
  - Display Ssl Client-Policy1144
  - Display Ssl Server-Policy1144
  - Handshake Timeout1146
  - Ssl Client-Policy1149
  - Ssl Server-Policy1149
Table of Contents1156
- Display Oam Configuration1160
- Display Oam Critical-Event1162
- Display Oam Link-Event1162
- Oam Errored-Frame Period1166
- Oam Errored-Frame Threshold1166
- Oam Errored-Frame-Period Period1167
- Oam Errored-Frame-Period Threshold1168
- Oam Errored-Frame-Seconds Period1168
- Oam Errored-Frame-Seconds Threshold1169
- Oam Errored-Symbol Period1169
- Oam Errored-Symbol Threshold1170
  - Oam Loopback1171
- Oam Timer Hello1172
- Oam Timer Keepalive1173

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