Dell Command Line Reference Guide for the S6000 System9.14.0.0

Notes, cautions, and warnings

NOTE: A NOTE indicates important information that helps you make better use of your product.

CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.

WARNING: A WARNING indicates a potential for property damage, personal injury, or death.

Copyright © 2018 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.

2018 - 07

Rev. A00

Contents

1 About this Guide...........................................................................................................................................42Objectives......................................................................................................................................................................... 42Audience............................................................................................................................................................................42Conventions......................................................................................................................................................................42Information Icons............................................................................................................................................................. 43

2 CLI Basics....................................................................................................................................................44Accessing the Command Line........................................................................................................................................44Multiple Configuration Users.......................................................................................................................................... 44Obtaining Help..................................................................................................................................................................45Navigating the CLI........................................................................................................................................................... 46Using the no Command...................................................................................................................................................47Filtering show Commands...............................................................................................................................................47Enabling Software Features on Devices Using a Command Option..........................................................................48

feature vrf................................................................................................................................................................... 48show feature...............................................................................................................................................................49

Command Modes............................................................................................................................................................ 50

3 File Management......................................................................................................................................... 60boot system......................................................................................................................................................................60cd....................................................................................................................................................................................... 62HTTP Copy via CLI.......................................................................................................................................................... 63copy................................................................................................................................................................................... 63delete.................................................................................................................................................................................66dir....................................................................................................................................................................................... 67format................................................................................................................................................................................68fsck flash...........................................................................................................................................................................69mkdir.................................................................................................................................................................................. 70mount nfs...........................................................................................................................................................................71rmdir...................................................................................................................................................................................72upgrade system................................................................................................................................................................ 72rename...............................................................................................................................................................................75show boot system............................................................................................................................................................76show bootvar.................................................................................................................................................................... 77show file-systems............................................................................................................................................................ 78show os-version............................................................................................................................................................... 79show running-config........................................................................................................................................................80show startup-config........................................................................................................................................................ 84show version.....................................................................................................................................................................85upgrade boot.................................................................................................................................................................... 86verify..................................................................................................................................................................................88

Contents 3

4 Control and Monitoring................................................................................................................................89alias.................................................................................................................................................................................... 89banner exec...................................................................................................................................................................... 90banner login...................................................................................................................................................................... 92banner motd..................................................................................................................................................................... 93boot-type.......................................................................................................................................................................... 94cam-acl..............................................................................................................................................................................95clear average-power........................................................................................................................................................ 97clear line.............................................................................................................................................................................97configure........................................................................................................................................................................... 98disable................................................................................................................................................................................99do..................................................................................................................................................................................... 100enable............................................................................................................................................................................... 101enable optic-info-update interval..................................................................................................................................102end....................................................................................................................................................................................103exec-timeout...................................................................................................................................................................104exit....................................................................................................................................................................................105ftp-server enable............................................................................................................................................................106ftp-server topdir............................................................................................................................................................. 108ftp-server username...................................................................................................................................................... 109hostname......................................................................................................................................................................... 110ip ftp password.................................................................................................................................................................111ip ftp source-interface.................................................................................................................................................... 112ip tftp vrf.......................................................................................................................................................................... 113ip ftp username................................................................................................................................................................114ip ftp vrf........................................................................................................................................................................... 115ip telnet server enable.................................................................................................................................................... 115ip telnet server vrf...........................................................................................................................................................116ip telnet source-interface............................................................................................................................................... 117ip tftp vrf.......................................................................................................................................................................... 118line..................................................................................................................................................................................... 119login concurrent-session................................................................................................................................................120login statistics................................................................................................................................................................. 122motd-banner................................................................................................................................................................... 123ping...................................................................................................................................................................................124reload................................................................................................................................................................................127reload-type...................................................................................................................................................................... 128send..................................................................................................................................................................................129service timestamps........................................................................................................................................................ 130show alias......................................................................................................................................................................... 131show alarms.................................................................................................................................................................... 132show cpu-traffic-stats................................................................................................................................................... 133show debugging............................................................................................................................................................. 135show environment.......................................................................................................................................................... 136show inventory................................................................................................................................................................138

4 Contents

show login statistics....................................................................................................................................................... 140show memory..................................................................................................................................................................142show processes cpu.......................................................................................................................................................143show processes ipc flow-control.................................................................................................................................. 146show processes memory............................................................................................................................................... 148show reload-type............................................................................................................................................................150show reset-reason...........................................................................................................................................................151show software ifm..........................................................................................................................................................152show system................................................................................................................................................................... 154show tech-support.........................................................................................................................................................156ssh-peer-stack-unit........................................................................................................................................................159telnet................................................................................................................................................................................ 160telnet-peer-stack-unit....................................................................................................................................................162terminal length................................................................................................................................................................ 162traceroute........................................................................................................................................................................ 163undebug all...................................................................................................................................................................... 165virtual-ip...........................................................................................................................................................................166warmboot-failure-action................................................................................................................................................ 167write................................................................................................................................................................................. 168

5 802.1X........................................................................................................................................................ 170debug dot1x......................................................................................................................................................................171dot1x auth-fail-vlan......................................................................................................................................................... 172dot1x auth-server............................................................................................................................................................173dot1x auth-type mab-only..............................................................................................................................................174dot1x authentication (Configuration)........................................................................................................................... 175dot1x authentication (Interface)................................................................................................................................... 175dot1x critical-vlan............................................................................................................................................................ 176dot1x profile..................................................................................................................................................................... 177dot1x static-mab............................................................................................................................................................. 178dot1x guest-vlan..............................................................................................................................................................179dot1x host-mode..............................................................................................................................................................181dot1x mac-auth-bypass................................................................................................................................................. 182dot1x max-eap-req..........................................................................................................................................................182dot1x max-supplicants....................................................................................................................................................183dot1x port-control...........................................................................................................................................................184dot1x quiet-period...........................................................................................................................................................185dot1x reauthentication................................................................................................................................................... 186dot1x reauth-max............................................................................................................................................................ 187dot1x server-timeout...................................................................................................................................................... 188dot1x supplicant-timeout............................................................................................................................................... 189dot1x tx-period................................................................................................................................................................190mac...................................................................................................................................................................................190show dot1x cos-mapping interface............................................................................................................................... 191show dot1x interface...................................................................................................................................................... 193show dot1x profile...........................................................................................................................................................195

Contents 5

6 Access Control Lists (ACL).........................................................................................................................197Commands Common to all ACL Types........................................................................................................................ 198

remark........................................................................................................................................................................ 198show config..............................................................................................................................................................200

Common IP ACL Commands........................................................................................................................................ 201access-class..............................................................................................................................................................201aclrange profile-name..............................................................................................................................................203clear counters ip access-group.............................................................................................................................. 203feature aclrange....................................................................................................................................................... 204ip access-group........................................................................................................................................................205ip control-plane egress-filter...................................................................................................................................207show aclrange...........................................................................................................................................................207show ip accounting access-list.............................................................................................................................. 208

Standard IP ACL Commands........................................................................................................................................ 210deny............................................................................................................................................................................210ip access-list standard............................................................................................................................................. 212permit.........................................................................................................................................................................213resequence access-list............................................................................................................................................ 215seq..............................................................................................................................................................................216

Extended IP ACL Commands........................................................................................................................................218deny............................................................................................................................................................................218deny icmp................................................................................................................................................................. 220deny tcp.................................................................................................................................................................... 223deny udp....................................................................................................................................................................227ip access-list extended............................................................................................................................................230permit.........................................................................................................................................................................231permit icmp...............................................................................................................................................................233permit tcp................................................................................................................................................................. 235permit udp................................................................................................................................................................ 238resequence access-list.............................................................................................................................................241seq............................................................................................................................................................................. 242

Common MAC Access List Commands......................................................................................................................246clear counters mac access-group..........................................................................................................................247mac access-group....................................................................................................................................................247show mac access-lists............................................................................................................................................ 249show mac accounting access-list..........................................................................................................................250

Standard MAC ACL Commands................................................................................................................................... 251deny............................................................................................................................................................................251mac access-list standard........................................................................................................................................ 253permit........................................................................................................................................................................ 254seq............................................................................................................................................................................. 255

Extended MAC ACL Commands..................................................................................................................................257deny........................................................................................................................................................................... 257mac access-list extended....................................................................................................................................... 259permit.........................................................................................................................................................................261

6 Contents

IP Prefix List Commands...............................................................................................................................................262clear ip prefix-list......................................................................................................................................................263deny...........................................................................................................................................................................264ip prefix-list............................................................................................................................................................... 265seq............................................................................................................................................................................. 266show config.............................................................................................................................................................. 267show ip prefix-list detail...........................................................................................................................................268show ip prefix-list summary....................................................................................................................................269

Route Map Commands................................................................................................................................................. 270continue.....................................................................................................................................................................270description................................................................................................................................................................. 271match as-path.......................................................................................................................................................... 272match community.................................................................................................................................................... 273match interface........................................................................................................................................................ 274match ip address......................................................................................................................................................275match ip next-hop....................................................................................................................................................276match ip route-source............................................................................................................................................. 277match metric............................................................................................................................................................ 278match origin.............................................................................................................................................................. 279match route-type.....................................................................................................................................................280match tag.................................................................................................................................................................. 281route-map................................................................................................................................................................. 282set as-path................................................................................................................................................................284set automatic-tag.................................................................................................................................................... 285set comm-list delete................................................................................................................................................286set community..........................................................................................................................................................287set level..................................................................................................................................................................... 288set local-preference.................................................................................................................................................289set metric..................................................................................................................................................................290set metric-type......................................................................................................................................................... 291set next-hop............................................................................................................................................................. 292set origin................................................................................................................................................................... 293set tag....................................................................................................................................................................... 294set weight.................................................................................................................................................................295show config.............................................................................................................................................................. 296show route-map.......................................................................................................................................................297

UDF ACL Commands.................................................................................................................................................... 298deny ip.......................................................................................................................................................................298feature udf-acl..........................................................................................................................................................299key............................................................................................................................................................................. 300match......................................................................................................................................................................... 301permit ip....................................................................................................................................................................302show config.............................................................................................................................................................. 302udf-id......................................................................................................................................................................... 303udf-qualifier-value....................................................................................................................................................304

Contents 7

udf-tcam................................................................................................................................................................... 304deny (for Standard IP ACLs)........................................................................................................................................305deny (for Extended IP ACLs)....................................................................................................................................... 306seq (for Standard IPv4 ACLs)......................................................................................................................................308deny tcp (for Extended IP ACLs)................................................................................................................................ 309deny ether-type (for Extended MAC ACLs)................................................................................................................311deny (for Standard MAC ACLs)....................................................................................................................................313deny (for Extended MAC ACLs)...................................................................................................................................314permit (for Standard IP ACLs)......................................................................................................................................316permit arp (for Extended MAC ACLs)......................................................................................................................... 317permit ether-type (for Extended MAC ACLs)............................................................................................................ 318permit icmp (for Extended IP ACLs)...........................................................................................................................320permit udp (for Extended IP ACLs)..............................................................................................................................321permit (for Extended IP ACLs).................................................................................................................................... 323permit (for Standard MAC ACLs)................................................................................................................................325seq (for Standard MAC ACLs)..................................................................................................................................... 327permit tcp (for Extended IP ACLs)..............................................................................................................................328seq arp (for Extended MAC ACLs)............................................................................................................................. 330seq ether-type (for Extended MAC ACLs)................................................................................................................. 331seq (for IP ACLs)........................................................................................................................................................... 333seq (for IPv6 ACLs).......................................................................................................................................................334permit udp (for IPv6 ACLs)..........................................................................................................................................338permit tcp (for IPv6 ACLs)...........................................................................................................................................339permit icmp (for IPv6 ACLs)........................................................................................................................................ 342permit (for IPv6 ACLs)..................................................................................................................................................345deny udp (for IPv6 ACLs).............................................................................................................................................346deny arp (for Extended MAC ACLs)........................................................................................................................... 348deny tcp (for IPv6 ACLs)..............................................................................................................................................349deny icmp (for Extended IPv6 ACLs)......................................................................................................................... 352deny (for IPv6 ACLs).................................................................................................................................................... 354

7 Bidirectional Forwarding Detection (BFD).................................................................................................. 357bfd all-neighbors.............................................................................................................................................................357bfd disable.......................................................................................................................................................................359bfd enable (Configuration)........................................................................................................................................... 360bfd enable (Interface).................................................................................................................................................... 361bfd interval ..................................................................................................................................................................... 361bfd protocol-liveness..................................................................................................................................................... 362ip route bfd..................................................................................................................................................................... 363ip ospf bfd all-neighbors................................................................................................................................................364ipv6 ospf bfd all-neighbors........................................................................................................................................... 365ipv6 route bfd.................................................................................................................................................................366isis bfd all-neighbors...................................................................................................................................................... 367neighbor bfd................................................................................................................................................................... 369neighbor bfd disable.......................................................................................................................................................370show bfd neighbors........................................................................................................................................................ 371

8 Contents

vrrp bfd neighbor........................................................................................................................................................... 373

8 Boot Command Line Interface....................................................................................................................374boot change....................................................................................................................................................................374boot message................................................................................................................................................................. 376boot show net config retries.........................................................................................................................................376boot write net config retries......................................................................................................................................... 377boot zero......................................................................................................................................................................... 377default-gateway............................................................................................................................................................. 378etheraddr ....................................................................................................................................................379ignore enable-password................................................................................................................................................ 379ignore startup-config.................................................................................................................................................... 380interface management ethernet ip address............................................................................................................... 380NVRAM erase................................................................................................................................................................. 381reload...............................................................................................................................................................................382serial console.................................................................................................................................................................. 382show bootvar................................................................................................................................................................. 383show default-gateway...................................................................................................................................................384show interface management ethernet........................................................................................................................384show serial console baud rate...................................................................................................................................... 385watchdog ........................................................................................................................................................ 385

9 Border Gateway Protocol........................................................................................................................... 387BGP IPv4 Commands....................................................................................................................................................387

address-family.......................................................................................................................................................... 387aggregate-address...................................................................................................................................................388bgp add-path............................................................................................................................................................390bgp always-compare-med.......................................................................................................................................391bgp asnotation.......................................................................................................................................................... 391bgp bestpath as-path ignore..................................................................................................................................393bgp bestpath as-path multipath-relax...................................................................................................................393bgp bestpath med confed...................................................................................................................................... 394bgp bestpath med missing-as-best.......................................................................................................................395bgp bestpath router-id ignore................................................................................................................................ 396bgp client-to-client reflection................................................................................................................................. 397bgp cluster-id............................................................................................................................................................397bgp confederation identifier................................................................................................................................... 398bgp confederation peers.........................................................................................................................................400bgp dampening......................................................................................................................................................... 401bgp default local-preference.................................................................................................................................. 402bgp dmzlink-bw........................................................................................................................................................403bgp enforce-first-as................................................................................................................................................ 404bgp fast-external-fallover....................................................................................................................................... 405bgp four-octet-as-support..................................................................................................................................... 406bgp graceful-restart.................................................................................................................................................407bgp non-deterministic-med....................................................................................................................................408

Contents 9

bgp outbound-optimization....................................................................................................................................409bgp recursive-bgp-next-hop.................................................................................................................................. 409bgp regex-eval-optz-disable....................................................................................................................................410bgp router-id............................................................................................................................................................. 412clear ip bgp................................................................................................................................................................ 413clear ip bgp dampening............................................................................................................................................414clear ip bgp flap-statistics....................................................................................................................................... 416clear ip bgp peer-group............................................................................................................................................417debug ip bgp............................................................................................................................................................. 419debug ip bgp dampening.........................................................................................................................................420debug ip bgp events.................................................................................................................................................421debug ip bgp keepalives..........................................................................................................................................423debug ip bgp notifications.......................................................................................................................................424debug ip bgp soft-reconfiguration.........................................................................................................................425debug ip bgp updates..............................................................................................................................................426default-metric...........................................................................................................................................................427deny bandwidth........................................................................................................................................................428description................................................................................................................................................................ 429maximum-paths....................................................................................................................................................... 430neighbor activate...................................................................................................................................................... 431neighbor add-path................................................................................................................................................... 432neighbor advertisement-interval............................................................................................................................433neighbor advertisement-start................................................................................................................................ 434neighbor allowas-in..................................................................................................................................................435neighbor default-originate.......................................................................................................................................436neighbor description................................................................................................................................................ 437neighbor distribute-list............................................................................................................................................ 438neighbor ebgp-multihop..........................................................................................................................................439neighbor fall-over.....................................................................................................................................................440neighbor local-as.......................................................................................................................................................441neighbor maximum-prefix....................................................................................................................................... 442neighbor next-hop-self............................................................................................................................................444neighbor password.................................................................................................................................................. 444neighbor peer-group (assigning peers)................................................................................................................. 446neighbor peer-group (creating group)...................................................................................................................447neighbor peer-group passive..................................................................................................................................448neighbor remote-as................................................................................................................................................. 449neighbor remove-private-as...................................................................................................................................450neighbor route-map..................................................................................................................................................451neighbor route-reflector-client...............................................................................................................................453neighbor send-community......................................................................................................................................454neighbor shutdown..................................................................................................................................................455neighbor soft-reconfiguration inbound................................................................................................................. 456neighbor timers........................................................................................................................................................ 457neighbor timers extended.......................................................................................................................................458

10 Contents

neighbor update-source..........................................................................................................................................459neighbor weight....................................................................................................................................................... 460network......................................................................................................................................................................461network backdoor....................................................................................................................................................463permit bandwidth.....................................................................................................................................................464redistribute................................................................................................................................................................464redistribute ospf.......................................................................................................................................................466router bgp................................................................................................................................................................. 467shutdown all............................................................................................................................................................. 468shutdown address-family-ipv4–multicast.............................................................................................................468shutdown address-family-ipv4–unicast................................................................................................................469shutdown address-family-ipv6–unicast................................................................................................................469set extcommunity bandwidth.................................................................................................................................470show capture bgp-pdu neighbor............................................................................................................................ 471show config.............................................................................................................................................................. 472show ip bgp.............................................................................................................................................................. 473show ip bgp cluster-list............................................................................................................................................477show ip bgp community.......................................................................................................................................... 478show ip bgp community-list.................................................................................................................................... 481show ip bgp dampened-paths................................................................................................................................483show ip bgp detail....................................................................................................................................................484show ip bgp extcommunity-list..............................................................................................................................486show ip bgp filter-list............................................................................................................................................... 487show ip bgp flap-statistics......................................................................................................................................489show ip bgp inconsistent-as....................................................................................................................................491show ip bgp neighbors............................................................................................................................................ 493show ip bgp next-hop............................................................................................................................................. 496show ip bgp paths................................................................................................................................................... 498show ip bgp paths community...............................................................................................................................499show ip bgp peer-group.......................................................................................................................................... 501show ip bgp regexp................................................................................................................................................. 503show ip bgp summary............................................................................................................................................. 504show running-config bgp........................................................................................................................................507timers bgp.................................................................................................................................................................508timers bgp extended............................................................................................................................................... 509

MBGP Commands......................................................................................................................................................... 510debug ip bgp dampening......................................................................................................................................... 510distance bgp...............................................................................................................................................................511neighbor auto-local-address....................................................................................................................................512show ip bgp dampened-paths................................................................................................................................ 513

10 Content Addressable Memory (CAM)....................................................................................................... 515CAM Profile Commands................................................................................................................................................ 515

cam-acl (Configuration)...........................................................................................................................................515cam-acl-egress......................................................................................................................................................... 518cam-optimization......................................................................................................................................................519

Contents 11

cam-threshold.......................................................................................................................................................... 520show cam-acl............................................................................................................................................................521show cam-usage......................................................................................................................................................524test cam-usage........................................................................................................................................................ 525

Unified Forwarding Table Modes..................................................................................................................................527hardware forwarding-table mode...........................................................................................................................527show hardware forwarding-table mode................................................................................................................ 528

11 Control Plane Policing (CoPP).................................................................................................................. 529control-plane-cpuqos.................................................................................................................................................... 529cpu-protocol-group....................................................................................................................................................... 530copp-profile.................................................................................................................................................................... 530cpu-queue....................................................................................................................................................................... 531copp-policy..................................................................................................................................................................... 532protocol-list.....................................................................................................................................................................532queue-length.................................................................................................................................................................. 533service-policy rate-limit-cpu-queues...........................................................................................................................534service-policy rate-limit-protocols............................................................................................................................... 535show cpu-queue rate cp...............................................................................................................................................536show ip protocol-queue-mapping................................................................................................................................ 537show ipv6 protocol-queue-mapping........................................................................................................................... 538show mac protocol-queue-mapping........................................................................................................................... 538show running-config copp-profile............................................................................................................................... 539show running-config cpu-protocol-group.................................................................................................................. 540

12 Data Center Bridging (DCB)..................................................................................................................... 541DCB Command...............................................................................................................................................................541

dcb-enable................................................................................................................................................................542PFC Commands.............................................................................................................................................................542

clear hardware pfc-nodrop-priority....................................................................................................................... 543clear pfc counters....................................................................................................................................................543pfc-nodrop-priority l2-dlf drop............................................................................................................................... 544pfc no-drop queues................................................................................................................................................. 544show dcb.................................................................................................................................................................. 546show hardware pfc-nodrop-priority...................................................................................................................... 546show interface pfc...................................................................................................................................................547show interface pfc statistics..................................................................................................................................550

ETS Commands..............................................................................................................................................................551dcb-enable.................................................................................................................................................................551clear ets counters.................................................................................................................................................... 552show interface ets................................................................................................................................................... 552

DCBX Commands..........................................................................................................................................................557advertise dcbx-tlv.................................................................................................................................................... 557dcbx port-role.......................................................................................................................................................... 558dcbx version............................................................................................................................................................. 559debug dcbx...............................................................................................................................................................560

12 Contents

fcoe priority-bits...................................................................................................................................................... 560iscsi priority-bits........................................................................................................................................................561show interface dcbx detail......................................................................................................................................562

dcb-map..........................................................................................................................................................................564priority-pgid....................................................................................................................................................................565priority-group bandwidth pfc....................................................................................................................................... 566dcb-map stack-unit all stack-ports all.........................................................................................................................568dcb pfc-shared-buffer-size.......................................................................................................................................... 568dcb-buffer-threshold ....................................................................................................................................................569priority............................................................................................................................................................................. 570qos-policy-buffer............................................................................................................................................................ 571dcb-policy buffer-threshold (Interface Configuration)..............................................................................................573dcb-policy buffer-threshold (Global Configuration)...................................................................................................573show qos dcb-buffer-threshold....................................................................................................................................574dcb pfc-total-buffer-size...............................................................................................................................................575show running-config dcb-buffer-threshold................................................................................................................ 576service-class buffer shared-threshold-weight............................................................................................................577dcb pfc-queues.............................................................................................................................................................. 579dcb {ets | pfc} enable....................................................................................................................................................579

13 Debugging and Diagnostics.......................................................................................................................581Diagnostics and Monitoring Commands......................................................................................................................581

logging coredump stack-unit.................................................................................................................................. 581Offline Diagnostic Commands......................................................................................................................................582

diag stack-unit..........................................................................................................................................................582offline stack-unit...................................................................................................................................................... 583online stack-unit.......................................................................................................................................................584

Hardware Commands................................................................................................................................................... 585clear hardware stack-unit.......................................................................................................................................585clear hardware system-flow................................................................................................................................... 587clear hardware vlan-counters.................................................................................................................................587hardware watchdog.................................................................................................................................................588show hardware mac................................................................................................................................................ 589show hardware ip.................................................................................................................................................... 590show hardware stack-unit...................................................................................................................................... 590show hardware buffer service-pool.......................................................................................................................599show hardware drops..............................................................................................................................................599show hardware counters interface ........................................................................................................................601show hardware system-flow.................................................................................................................................. 603show hardware vlan-counters................................................................................................................................605show hardware buffer-stats-snapshot................................................................................................................. 606show hardware stack-unit buffer-stats-snapshot (Total Buffer Information)..................................................608

14 Dynamic Host Configuration Protocol (DHCP).......................................................................................... 611Commands to Configure the System to be a DHCP Server......................................................................................611

clear ip dhcp...............................................................................................................................................................611

Contents 13

debug ip dhcp server............................................................................................................................................... 612debug ipv6 dhcp ......................................................................................................................................................613default-router............................................................................................................................................................613disable........................................................................................................................................................................ 614dns-server................................................................................................................................................................. 615domain-name............................................................................................................................................................ 616excluded-address......................................................................................................................................................617hardware-address.....................................................................................................................................................618host............................................................................................................................................................................ 618lease........................................................................................................................................................................... 619netbios-name-server...............................................................................................................................................620netbios-node-type....................................................................................................................................................621network.....................................................................................................................................................................622pool............................................................................................................................................................................ 623show ip dhcp binding...............................................................................................................................................624show ip dhcp configuration.................................................................................................................................... 624show ip dhcp conflict.............................................................................................................................................. 625show ip dhcp server................................................................................................................................................ 626

Commands to Configure Secure DHCP......................................................................................................................627arp inspection........................................................................................................................................................... 627arp inspection-trust.................................................................................................................................................628clear ip dhcp snooping............................................................................................................................................ 629clear ipv6 dhcp snooping binding.......................................................................................................................... 630ip dhcp relay.............................................................................................................................................................. 631ip dhcp snooping......................................................................................................................................................632ipv6 dhcp snooping................................................................................................................................................. 633ipv6 dhcp snooping vlan......................................................................................................................................... 633ip dhcp snooping binding........................................................................................................................................ 634IPv6 DHCP Snooping Binding................................................................................................................................635ip dhcp snooping database.....................................................................................................................................636ipv6 dhcp snooping database write-delay............................................................................................................ 637ip dhcp snooping database renew......................................................................................................................... 638ipv6 dhcp snooping database renew.....................................................................................................................639ip dhcp snooping trust............................................................................................................................................ 639ipv6 dhcp snooping trust........................................................................................................................................640ip dhcp source-address-validation.........................................................................................................................640ip dhcp relay information-option.....................................................................................