Dell EMC Networking Command LineReference Guide for the Z9100–ON System9.14.2.6

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.

© 2020 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or itssubsidiaries. Other trademarks may be trademarks of their respective owners.

2020 - 03

Rev. A00

1 About this Guide......................................................................................................................... 40Objectives.............................................................................................................................................................................40Audience............................................................................................................................................................................... 40Conventions......................................................................................................................................................................... 40Information Icons.................................................................................................................................................................40

2 CLI Basics..................................................................................................................................42Accessing the Command Line............................................................................................................................................42Multiple Configuration Users..............................................................................................................................................42Obtaining Help..................................................................................................................................................................... 43Navigating the CLI...............................................................................................................................................................44Using the no Command...................................................................................................................................................... 44Filtering show Commands..................................................................................................................................................45Enabling Software Features on Devices Using a Command Option.............................................................................45

feature vrf.......................................................................................................................................................................46show feature.................................................................................................................................................................. 46

Command Modes................................................................................................................................................................ 47

3 File Management........................................................................................................................55boot system......................................................................................................................................................................... 55cd...........................................................................................................................................................................................56copy.......................................................................................................................................................................................57delete.................................................................................................................................................................................... 59dir...........................................................................................................................................................................................60format................................................................................................................................................................................... 62fsck flash.............................................................................................................................................................................. 62mkdir......................................................................................................................................................................................63mount nfs............................................................................................................................................................................. 64rmdir...................................................................................................................................................................................... 64rename..................................................................................................................................................................................65show boot system...............................................................................................................................................................65show bootvar....................................................................................................................................................................... 66show file-systems................................................................................................................................................................67show os-version...................................................................................................................................................................68show running-config........................................................................................................................................................... 70show startup-config............................................................................................................................................................73show version........................................................................................................................................................................ 74upgrade system................................................................................................................................................................... 75upgrade boot........................................................................................................................................................................ 78verify.................................................................................................................................................................................... 79

4 Control and Monitoring...............................................................................................................80alias........................................................................................................................................................................................80banner exec...........................................................................................................................................................................81

Contents

Contents 3

banner login.......................................................................................................................................................................... 82banner motd.........................................................................................................................................................................84cam-acl................................................................................................................................................................................. 85clear average-power........................................................................................................................................................... 86clear line................................................................................................................................................................................86configure...............................................................................................................................................................................87disable................................................................................................................................................................................... 88do...........................................................................................................................................................................................89enable....................................................................................................................................................................................90enable cpu-clock-monitor................................................................................................................................................... 91enable optic-info-update interval....................................................................................................................................... 91end.........................................................................................................................................................................................92exec-timeout........................................................................................................................................................................93exit.........................................................................................................................................................................................94ftp-server enable.................................................................................................................................................................95ftp-server topdir..................................................................................................................................................................96ftp-server username........................................................................................................................................................... 97hostname.............................................................................................................................................................................. 97ip ftp password.................................................................................................................................................................... 98ip ftp source-interface........................................................................................................................................................99ip ftp username.................................................................................................................................................................. 100ip ftp vrf............................................................................................................................................................................... 101ip telnet server enable....................................................................................................................................................... 102ip telnet server vrf............................................................................................................................................................. 102ip telnet source-interface..................................................................................................................................................103ip tftp source-interface..................................................................................................................................................... 104ip tftp vrf.............................................................................................................................................................................105line........................................................................................................................................................................................106logging disable-syslog snmp auth-failure........................................................................................................................ 107login concurrent-session................................................................................................................................................... 107login statistics.....................................................................................................................................................................109motd-banner........................................................................................................................................................................110ping........................................................................................................................................................................................ 111reload.................................................................................................................................................................................... 114reload-type.......................................................................................................................................................................... 115

boot-type....................................................................................................................................................................... 115secure-erase.................................................................................................................................................................. 116

send...................................................................................................................................................................................... 116service timestamps............................................................................................................................................................. 117show alias.............................................................................................................................................................................119show alarms........................................................................................................................................................................ 120show cpu-traffic-stats....................................................................................................................................................... 121show debugging................................................................................................................................................................. 122show environment............................................................................................................................................................. 123show inventory................................................................................................................................................................... 124show login statistics...........................................................................................................................................................126show memory..................................................................................................................................................................... 128show processes cpu.......................................................................................................................................................... 129show processes ipc flow-control..................................................................................................................................... 132show processes memory...................................................................................................................................................133

4 Contents

show reload-type............................................................................................................................................................... 135show reset-reason............................................................................................................................................................. 136show software ifm............................................................................................................................................................. 137show system.......................................................................................................................................................................139show tech-support............................................................................................................................................................ 140ssh-peer-stack-unit........................................................................................................................................................... 144stack-unit location-led....................................................................................................................................................... 144telnet....................................................................................................................................................................................145telnet-peer-stack-unit....................................................................................................................................................... 146terminal length.................................................................................................................................................................... 147traceroute........................................................................................................................................................................... 148undebug all.......................................................................................................................................................................... 149virtual-ip.............................................................................................................................................................................. 150warmboot-failure-action.................................................................................................................................................... 151write......................................................................................................................................................................................151

5 802.1X......................................................................................................................................153debug dot1x........................................................................................................................................................................ 154dot1x auth-fail-vlan............................................................................................................................................................ 154dot1x auth-server...............................................................................................................................................................155dot1x auth-type mab-only.................................................................................................................................................156dot1x authentication (Configuration).............................................................................................................................. 157dot1x authentication (Interface)...................................................................................................................................... 158dot1x critical-vlan............................................................................................................................................................... 158dot1x guest-vlan.................................................................................................................................................................159dot1x host-mode................................................................................................................................................................ 160mac....................................................................................................................................................................................... 161dot1x mac-auth-bypass.....................................................................................................................................................162dot1x max-eap-req.............................................................................................................................................................163dot1x max-supplicants....................................................................................................................................................... 163dot1x port-control.............................................................................................................................................................. 164dot1x profile........................................................................................................................................................................ 165dot1x quiet-period.............................................................................................................................................................. 165dot1x reauthentication.......................................................................................................................................................166dot1x reauth-max............................................................................................................................................................... 167dot1x server-timeout......................................................................................................................................................... 168dot1x static-mab................................................................................................................................................................ 169dot1x supplicant-timeout...................................................................................................................................................170dot1x tx-period....................................................................................................................................................................170show dot1x cos-mapping interface...................................................................................................................................171show dot1x interface..........................................................................................................................................................173show dot1x profile.............................................................................................................................................................. 175

6 Access Control Lists (ACL)........................................................................................................ 176Commands Common to all ACL Types............................................................................................................................ 177

remark............................................................................................................................................................................ 177show config...................................................................................................................................................................178

Common IP ACL Commands............................................................................................................................................ 179access-class.................................................................................................................................................................. 179

Contents 5

aclrange profile-name.................................................................................................................................................. 180clear counters ip access-group................................................................................................................................... 181feature acloptimized.................................................................................................................................................... 182feature aclrange........................................................................................................................................................... 182ip access-group............................................................................................................................................................ 183ip control-plane egress-filter.......................................................................................................................................184ipv6 control-plane egress-filter.................................................................................................................................. 185show aclrange...............................................................................................................................................................186show ip accounting access-list...................................................................................................................................186

Standard IP ACL Commands............................................................................................................................................188deny............................................................................................................................................................................... 188ip access-list standard................................................................................................................................................. 189permit............................................................................................................................................................................ 190resequence access-list................................................................................................................................................ 192seq..................................................................................................................................................................................193

Extended IP ACL Commands........................................................................................................................................... 194deny............................................................................................................................................................................... 195deny icmp...................................................................................................................................................................... 197deny tcp........................................................................................................................................................................ 199deny udp....................................................................................................................................................................... 202ip access-list extended............................................................................................................................................... 204permit............................................................................................................................................................................205permit icmp...................................................................................................................................................................207permit tcp.....................................................................................................................................................................209permit udp..................................................................................................................................................................... 212resequence access-list................................................................................................................................................ 214seq..................................................................................................................................................................................215

Common MAC Access List Commands.......................................................................................................................... 219clear counters mac access-group..............................................................................................................................219mac access-group.......................................................................................................................................................220show mac access-lists.................................................................................................................................................221show mac accounting access-list..............................................................................................................................222

Standard MAC ACL Commands......................................................................................................................................223deny...............................................................................................................................................................................223mac access-list standard............................................................................................................................................225permit............................................................................................................................................................................226seq................................................................................................................................................................................. 227

Extended MAC ACL Commands.....................................................................................................................................228deny...............................................................................................................................................................................228mac access-list extended...........................................................................................................................................230permit.............................................................................................................................................................................231

IP Prefix List Commands.................................................................................................................................................. 233clear ip prefix-list......................................................................................................................................................... 233deny...............................................................................................................................................................................234ip prefix-list...................................................................................................................................................................235seq.................................................................................................................................................................................236show config.................................................................................................................................................................. 237show ip prefix-list detail.............................................................................................................................................. 237show ip prefix-list summary....................................................................................................................................... 238

Route Map Commands.....................................................................................................................................................239

6 Contents

continue........................................................................................................................................................................ 239description....................................................................................................................................................................240match as-path.............................................................................................................................................................. 241match community........................................................................................................................................................242match interface........................................................................................................................................................... 243match ip address......................................................................................................................................................... 244match ip next-hop.......................................................................................................................................................245match ip route-source................................................................................................................................................ 245match metric................................................................................................................................................................246match origin..................................................................................................................................................................247match route-type........................................................................................................................................................ 248match tag..................................................................................................................................................................... 249route-map.....................................................................................................................................................................250set as-path....................................................................................................................................................................251set automatic-tag........................................................................................................................................................252set comm-list delete................................................................................................................................................... 253set community............................................................................................................................................................. 254set level.........................................................................................................................................................................255set local-preference.................................................................................................................................................... 256set metric......................................................................................................................................................................257set metric-type............................................................................................................................................................ 257set next-hop.................................................................................................................................................................258set origin....................................................................................................................................................................... 259set tag...........................................................................................................................................................................260set weight..................................................................................................................................................................... 261show config..................................................................................................................................................................262show route-map.......................................................................................................................................................... 263

deny (for Standard IP ACLs)........................................................................................................................................... 263deny (for Extended IP ACLs).......................................................................................................................................... 265seq (for Standard IPv4 ACLs).........................................................................................................................................266deny tcp (for Extended IP ACLs)....................................................................................................................................267deny (for Standard MAC ACLs)......................................................................................................................................269deny (for Extended MAC ACLs)..................................................................................................................................... 270permit (for Standard IP ACLs)......................................................................................................................................... 271permit icmp (for Extended IP ACLs).............................................................................................................................. 273permit udp (for Extended IP ACLs)................................................................................................................................ 274permit (for Extended IP ACLs)........................................................................................................................................276permit (for Standard MAC ACLs)................................................................................................................................... 277seq (for Standard MAC ACLs)........................................................................................................................................ 278permit tcp (for Extended IP ACLs).................................................................................................................................279seq (for IP ACLs)............................................................................................................................................................... 281seq (for IPv6 ACLs).......................................................................................................................................................... 282permit udp (for IPv6 ACLs)............................................................................................................................................. 285permit tcp (for IPv6 ACLs).............................................................................................................................................. 287permit icmp (for IPv6 ACLs)........................................................................................................................................... 289permit (for IPv6 ACLs)......................................................................................................................................................291deny udp (for IPv6 ACLs)................................................................................................................................................ 293deny tcp (for IPv6 ACLs).................................................................................................................................................294deny icmp (for Extended IPv6 ACLs).............................................................................................................................296deny (for IPv6 ACLs)........................................................................................................................................................299

Contents 7

7 Bidirectional Forwarding Detection (BFD)................................................................................... 301bfd all-neighbors.................................................................................................................................................................301bfd disable.......................................................................................................................................................................... 303bfd enable (Configuration)...............................................................................................................................................303bfd enable (Interface).......................................................................................................................................................304bfd interval ........................................................................................................................................................................ 304bfd protocol-liveness........................................................................................................................................................ 305ip route bfd.........................................................................................................................................................................306ip ospf bfd all-neighbors................................................................................................................................................... 307ipv6 ospf bfd all-neighbors...............................................................................................................................................308ipv6 route bfd.................................................................................................................................................................... 309isis bfd all-neighbors.......................................................................................................................................................... 310neighbor bfd........................................................................................................................................................................ 311neighbor bfd disable...........................................................................................................................................................312show bfd neighbors........................................................................................................................................................... 312vrrp bfd neighbor............................................................................................................................................................... 316

8 Boot Command Line Interface.................................................................................................... 317boot change........................................................................................................................................................................ 317boot message..................................................................................................................................................................... 318boot show net config retries............................................................................................................................................ 319boot write net config retries.............................................................................................................................................319boot zero.............................................................................................................................................................................319default-gateway................................................................................................................................................................ 320etheraddr ........................................................................................................................................................321ignore enable-password.................................................................................................................................................... 321ignore startup-config........................................................................................................................................................ 322interface management ethernet ip address...................................................................................................................322NVRAM erase.................................................................................................................................................................... 322reload.................................................................................................................................................................................. 323serial console......................................................................................................................................................................323show bootvar..................................................................................................................................................................... 324show default-gateway......................................................................................................................................................324show interface management ethernet...........................................................................................................................325show serial console baud rate..........................................................................................................................................325watchdog ............................................................................................................................................................326

9 Border Gateway Protocol.......................................................................................................... 327BGP IPv4 Commands....................................................................................................................................................... 327

address-family..............................................................................................................................................................327aggregate-address...................................................................................................................................................... 328bgp add-path............................................................................................................................................................... 329bgp always-compare-med..........................................................................................................................................330bgp asnotation..............................................................................................................................................................331bgp bestpath as-path ignore......................................................................................................................................332bgp bestpath as-path multipath-relax...................................................................................................................... 332bgp bestpath med confed.......................................................................................................................................... 333bgp bestpath med missing-as-best...........................................................................................................................334

8 Contents

bgp bestpath router-id ignore....................................................................................................................................334bgp client-to-client reflection.................................................................................................................................... 335bgp cluster-id............................................................................................................................................................... 336bgp confederation identifier....................................................................................................................................... 337bgp confederation peers............................................................................................................................................ 338bgp dampening............................................................................................................................................................ 338bgp default local-preference......................................................................................................................................340bgp dmzlink-bw........................................................................................................................................................... 340bgp enforce-first-as.....................................................................................................................................................341bgp fast-external-fallover...........................................................................................................................................342bgp four-octet-as-support.........................................................................................................................................342bgp graceful-restart....................................................................................................................................................343bgp non-deterministic-med........................................................................................................................................344bgp outbound-optimization........................................................................................................................................345bgp recursive-bgp-next-hop......................................................................................................................................345bgp redistribute-internal............................................................................................................................................. 346bgp regex-eval-optz-disable...................................................................................................................................... 347bgp router-id................................................................................................................................................................ 348clear ip bgp................................................................................................................................................................... 349clear ip bgp dampening...............................................................................................................................................350clear ip bgp flap-statistics........................................................................................................................................... 351clear ip bgp peer-group.............................................................................................................................................. 352debug ip bgp................................................................................................................................................................ 353debug ip bgp dampening............................................................................................................................................ 354debug ip bgp events................................................................................................................................................... 355debug ip bgp keepalives............................................................................................................................................. 356debug ip bgp notifications.......................................................................................................................................... 357debug ip bgp soft-reconfiguration............................................................................................................................ 358debug ip bgp updates................................................................................................................................................. 359default-metric.............................................................................................................................................................. 360deny bandwidth........................................................................................................................................................... 360description.....................................................................................................................................................................361maximum-paths........................................................................................................................................................... 362neighbor activate.........................................................................................................................................................363neighbor add-path.......................................................................................................................................................364neighbor advertisement-interval............................................................................................................................... 365neighbor advertisement-start....................................................................................................................................366neighbor allowas-in......................................................................................................................................................366neighbor default-originate.......................................................................................................................................... 367neighbor description....................................................................................................................................................368neighbor distribute-list................................................................................................................................................369neighbor ebgp-multihop..............................................................................................................................................370neighbor fall-over......................................................................................................................................................... 371neighbor local-as..........................................................................................................................................................372neighbor maximum-prefix...........................................................................................................................................373neighbor password...................................................................................................................................................... 374neighbor peer-group (assigning peers).................................................................................................................... 375neighbor peer-group (creating group)......................................................................................................................376neighbor peer-group passive......................................................................................................................................377neighbor remote-as..................................................................................................................................................... 378

Contents 9

neighbor remove-private-as.......................................................................................................................................378neighbor route-map.....................................................................................................................................................379neighbor route-reflector-client..................................................................................................................................380neighbor send-community.......................................................................................................................................... 381neighbor shutdown......................................................................................................................................................382neighbor soft-reconfiguration inbound.....................................................................................................................383neighbor timers............................................................................................................................................................384neighbor timers extended.......................................................................................................................................... 385neighbor update-source............................................................................................................................................. 386neighbor weight........................................................................................................................................................... 387network.........................................................................................................................................................................387network backdoor....................................................................................................................................................... 389permit bandwidth........................................................................................................................................................ 389redistribute................................................................................................................................................................... 390redistribute ospf........................................................................................................................................................... 391router bgp.....................................................................................................................................................................392shutdown all................................................................................................................................................................. 393shutdown address-family-ipv4–multicast................................................................................................................394shutdown address-family-ipv4–unicast................................................................................................................... 394shutdown address-family-ipv6–unicast................................................................................................................... 394set extcommunity bandwidth.................................................................................................................................... 395show capture bgp-pdu neighbor...............................................................................................................................395show config..................................................................................................................................................................396show ip bgp.................................................................................................................................................................. 397show ip bgp cluster-list............................................................................................................................................... 401show ip bgp community..............................................................................................................................................402show ip bgp community-list....................................................................................................................................... 404show ip bgp dampened-paths................................................................................................................................... 406show ip bgp detail........................................................................................................................................................407show ip bgp extcommunity-list..................................................................................................................................408show ip bgp filter-list................................................................................................................................................... 410show ip bgp flap-statistics...........................................................................................................................................411show ip bgp inconsistent-as....................................................................................................................................... 413show ip bgp neighbors.................................................................................................................................................414show ip bgp next-hop..................................................................................................................................................418show ip bgp paths........................................................................................................................................................419show ip bgp paths community...................................................................................................................................420show ip bgp peer-group.............................................................................................................................................. 421show ip bgp regexp..................................................................................................................................................... 423show ip bgp summary................................................................................................................................................. 424show running-config bgp............................................................................................................................................426timers bgp.....................................................................................................................................................................427timers bgp extended................................................................................................................................................... 428

MBGP Commands............................................................................................................................................................ 428debug ip bgp dampening............................................................................................................................................ 429distance bgp.................................................................................................................................................................430neighbor auto-local-address...................................................................................................................................... 430show ip bgp dampened-paths.................................................................................................................................... 431

10 Content Addressable Memory (CAM)........................................................................................433

10 Contents

CAM Profile Commands...................................................................................................................................................433cam-acl (Configuration)............................................................................................................................................. 433cam-acl-egress............................................................................................................................................................ 436cam-optimization.........................................................................................................................................................436cam-sharing..................................................................................................................................................................437cam-threshold..............................................................................................................................................................438feature ipv6acloptimized............................................................................................................................................ 438show cam-acl...............................................................................................................................................................439show cam-sharing........................................................................................................................................................441show cam-usage.......................................................................................................................................................... 441test cam-usage............................................................................................................................................................442

Unified Forwarding Table Modes.................................................................................................................................... 444hardware forwarding-table mode..............................................................................................................................444show hardware forwarding-table mode................................................................................................................... 444

11 Control Plane Policing (CoPP).................................................................................................. 446control-plane-cpuqos........................................................................................................................................................446cpu-protocol-group...........................................................................................................................................................447copp-profile........................................................................................................................................................................ 447cpu-queue...........................................................................................................................................................................447copp-policy.........................................................................................................................................................................448protocol-list........................................................................................................................................................................ 449queue-length......................................................................................................................................................................449service-policy rate-limit-cpu-queues..............................................................................................................................450service-policy rate-limit-protocols.................................................................................................................................. 450show cpu-queue rate cp................................................................................................................................................... 451show ip protocol-queue-mapping................................................................................................................................... 452show ipv6 protocol-queue-mapping...............................................................................................................................453show mac protocol-queue-mapping...............................................................................................................................454show running-config copp-profile...................................................................................................................................455show running-config cpu-protocol-group......................................................................................................................455

12 Data Center Bridging (DCB).....................................................................................................456DCB Command..................................................................................................................................................................456

dcb-enable....................................................................................................................................................................456PFC Commands.................................................................................................................................................................457

clear hardware pfc-nodrop-priority...........................................................................................................................457clear pfc counters........................................................................................................................................................457dcb pfc-headroom-buffer-size..................................................................................................................................458pfc-asymmetric........................................................................................................................................................... 459pfc-nodrop-priority l2-dlf drop.................................................................................................................................. 459pfc no-drop queues.....................................................................................................................................................459pfc priority....................................................................................................................................................................460show dcb.......................................................................................................................................................................461show hardware pfc-nodrop-priority..........................................................................................................................462show interface pfc...................................................................................................................................................... 462show interface pfc statistics......................................................................................................................................465

ETS Commands.................................................................................................................................................................466dcb-enable....................................................................................................................................................................466

Contents 11

clear ets counters........................................................................................................................................................467show interface ets.......................................................................................................................................................468

DCBX Commands..............................................................................................................................................................470advertise dcbx-tlv........................................................................................................................................................470dcbx port-role.............................................................................................................................................................. 470dcbx version.................................................................................................................................................................. 471debug dcbx...................................................................................................................................................................472fcoe priority-bits.......................................................................................................................................................... 473show interface dcbx detail......................................................................................................................................... 473

dcb-map............................................................................................................................................................................. 476priority-pgid........................................................................................................................................................................ 477priority-group bandwidth pfc........................................................................................................................................... 477dcb pfc-shared-buffer-size..............................................................................................................................................478dcb-buffer-threshold ....................................................................................................................................................... 479priority.................................................................................................................................................................................480dcb-policy buffer-threshold (Interface Configuration)................................................................................................. 481dcb pfc-total-buffer-size................................................................................................................................................. 482show running-config dcb-buffer-threshold................................................................................................................... 483dcb {ets | pfc} enable....................................................................................................................................................... 484

13 Debugging and Diagnostics...................................................................................................... 486Diagnostics and Monitoring Commands.........................................................................................................................486

logging coredump stack-unit..................................................................................................................................... 486Offline Diagnostic Commands......................................................................................................................................... 487

diag stack-unit..............................................................................................................................................................487offline stack-unit..........................................................................................................................................................488online stack-unit.......................................................................................................................................................... 489show diag..................................................................................................................................................................... 489

Hardware Commands........................................................................................................................................................491clear hardware stack-unit........................................................................................................................................... 491clear hardware system-flow.......................................................................................................................................492clear hardware vlan-counters.................................................................................................................................... 492hardware watchdog.................................................................................................................................................... 493show hardware mac....................................................................................................................................................494show hardware ip........................................................................................................................................................ 494show hardware ipv6....................................................................................................................................................495show hardware stack-unit..........................................................................................................................................496show hardware buffer.................................................................................................................................................501show hardware buffer headroom-pool.....................................................................................................................502show hardware buffer service-pool..........................................................................................................................503show hardware buffer-stats-snapshot.................................................................................................................... 504show hardware drops................................................................................................................................................. 507show hardware counters interface ...........................................................................................................................510show hardware system-flow.......................................................................................................................................511show hardware vlan-counters....................................................................................................................................512

14 Dynamic Host Configuration Protocol (DHCP)........................................................................... 514Commands to Configure the System to be a DHCP Server........................................................................................514

clear ip dhcp..................................................................................................................................................................514

12 Contents

debug ip dhcp server...................................................................................................................................................515debug ipv6 dhcp ..........................................................................................................................................................515default-router............................................................................................................................................................... 516disable............................................................................................................................................................................ 517dns-server..................................................................................................................................................................... 517domain-name................................................................................................................................................................ 518excluded-address......................................................................................................................................................... 519hardware-address........................................................................................................................................................ 519host-address................................................................................................................................................................ 520ip dhcp server.............................................................................................................................................................. 520lease............................................................................................................................................................................... 521netbios-name-server...................................................................................................................................................522netbios-node-type.......................................................................................................................................................522network.........................................................................................................................................................................523pool................................................................................................................................................................................524show ip dhcp binding.................................................................................................................................................. 524show ip dhcp configuration........................................................................................................................................525show ip dhcp conflict..................................................................................................................................................526show ip dhcp server.................................................................................................................................................... 527

Commands to Configure Secure DHCP.........................................................................................................................527arp inspection...............................................................................................................................................................527arp inspection-limit......................................................................................................................................................528arp inspection-trust.....................................................................................................................................................528clear ip dhcp snooping................................................................................................................................................ 529clear ipv6 dhcp snooping binding.............................................................................................................................. 530ip dhcp relay..................................................................................................................................................................531ip dhcp snooping..........................................................................................................................................................532ipv6 dhcp snooping..................................................................................................................................................... 533ipv6 dhcp snooping vlan............................................................................................................................................. 533ip dhcp snooping binding............................................................................................................................................ 534IPv6 DHCP Snooping Binding....................................................................................................................................535ip dhcp snooping database.........................................................................................................................................536ipv6 dhcp snooping database write-delay................................................................................................................536ip dhcp snooping database renew.............................................................................................................................537ipv6 dhcp snooping database renew........................................................................................................................ 538ip dhcp snooping trust................................................................................................................................................ 538ipv6 dhcp snooping trust...............................