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738 Dynamic Host Configuration Protocol (DHCP)

Contents

Main Notes, cautions, and warnings Contents Page Page Page Page 7 Bidirectional Forwarding Detection (BFD)...................................................345 Page Page Page Page Page 9 Content Addressable Memory (CAM)...........................................................579 Page 13 Dynamic Host Configuration Protocol (DHCP)........................................702 Page Page 18 Force10 Resilient Ring Protocol (FRRP).....................................................780 19 GARP VLAN Registration (GVRP).................................................................792 20 Internet Group Management Protocol (IGMP)........................................805 Page Page Page 24 IPv6 Access Control Lists (IPv6 ACLs)........................................................990 27 Intermediate System to Intermediate System (IS-IS)............................ 1055 Page 28 Link Aggregation Control Protocol (LACP).............................................1128 30 Link Layer Discovery Protocol (LLDP)......................................................1174 31 Microsoft Network Load Balancing..........................................................1201 33 Multicast Source Discovery Protocol (MSDP).........................................1216 34 Multiple Spanning Tree Protocol (MSTP)................................................ 1233 35 Open Shortest Path First (OSPFv2 and OSPFv3).....................................1252 Page Page Page 38 PIM-Source Specific Mode (PIM-SSM).....................................................1418 42 Per-VLAN Spanning Tree Plus (PVST+)....................................................1456 44 Routing Information Protocol (RIP).........................................................1532 46 Rapid Spanning Tree Protocol (RSTP)......................................................1577 Page Page Page 50 Simple Network Management Protocol (SNMP) and Syslog...............1705 Page Page 58 Virtual Routing and Forwarding (VRF).....................................................1836 61 Virtual Router Redundancy Protocol (VRRP)..........................................1882 About this Guide References Objectives Audience Conventions Information Icons CLI Basics Accessing the Command Line Multiple Configuration Users Obtaining Help Page Navigating the CLI Using the Keyword no Command Filtering show Commands Displaying All Output Filtering the Command Output Multiple Times Command Modes BGP ADDRESS-FAMILY Mode CLASS-MAP Mode CONFIGURATION Mode CONTROL-PLANE Mode DHCP Mode DHCP POOL Mode ECMP GROUP Mode EIS Mode EXEC Mode EXEC Privilege Mode EXTENDED COMMUNITY LIST Mode FRRP Mode INTERFACE Mode IP ACCESS LIST Mode ISIS ADDRESS-FAMILY Mode LLDP Mode LLDP MANAGEMENT INTERFACE Mode LINE Mode MAC ACCESS LIST Mode MONITOR SESSION Mode MULTIPLE SPANNING TREE (MSTP) Mode OPENFLOW INSTANCE Mode Per-VLAN SPANNING TREE (PVST+) Plus Mode PORT-CHANNEL FAILOVER-GROUP Mode PREFIX-LIST Mode PROTOCOL GVRP Mode RAPID SPANNING TREE (RSTP) Mode ROUTE-MAP Mode ROUTER BGP Mode ROUTER ISIS Mode ROUTER OSPF Mode ROUTER OSPFV3 Mode ROUTER RIP Mode SPANNING TREE Mode TRACE-LIST Mode VLT DOMAIN Mode VRRP Mode File Management boot system format flash restore factory-defaults Page Page show boot system show bootvar show file show os-version Page show running-config Page Page show startup-config show version Page upgrade boot Page upgrade fpga-image linecard booted Page upgrade fpga-image system cpld booted upgrade fpga-image system fpga booted upgrade system Page verify Page Control and Monitoring asf-mode banner exec banner login Page banner motd cam-acl Page cam-acl (Configuration) Page cam-audit linecard clear alarms clear line clear trace configure debug cpu-traffic-stats debug ftpserver Page do enable enable optic-info-update interval end exec-timeout exit ftp-server enable ftp-server topdir ftp-server username hostname ip ftp password ip ftp source-interface ip ftp username ip http source-interface ip telnet server enable ip telnet source-interface ip tftp source-interface line login concurrent-session Page login statistics Page logging coredump server ping Page Page Page reload send service timestamps show alarms Page show asf show command-history Page show command-tree show console lp show cpu-traffic-stats show cpu-interface-stats Page Page Page show debugging show environment show inventory Page show login statistics Page Page show memory show processes cpu Page Page show processes ipc Page Page Page show processes ipc flow-control Page Page show processes memory Page Page Page Page Page show software ifm Page show system show trace Page show tech-support Page Page Page show util-threshold cpu show util-threshold memory system location-led telnet Page terminal length traceroute Page undebug all upload trace-log util-threshold cpu Page util-threshold memory virtual-ip write Page 802.1X debug dot1x dot1x auth-fail-vlan Page dot1x auth-server dot1x auth-type mab-only dot1x authentication (Configuration) dot1x authentication (Interface) dot1x guest-vlan dot1x host-mode dot1x mac-auth-bypass dot1x max-eap-req dot1x max-supplicants dot1x port-control dot1x quiet-period dot1x reauthentication dot1x reauth-max dot1x server-timeout dot1x supplicant-timeout dot1x tx-period show dot1x cos-mapping interface Page show dot1x interface Page Page Page Access Control Lists (ACL) Commands Common to all ACL Types remark Page Page Common IP ACL Commands clear counters ip access-group ip access-group ip control-plane egress-filter show ip access-lists show ip accounting access-list Standard IP ACL Commands Page Page ip access-list standard Page Page resequence access-list resequence prefix-list ipv4 Page Page Page Extended IP ACL Commands Page Page deny icmp Page Page deny tcp Page Page Page deny udp Page Page ip access-list extended Page Page Page permit icmp Page permit tcp Page Page permit udp Page Page Page resequence prefix-list ipv4 Page Page Page ACL VLAN Group Commands acl-vlan-group cam-acl-vlan description (ACL VLAN Group) ip access-group (ACL VLAN Group) member vlan (ACL VLAN Group) show acl-vlan-group show cam-acl-vlan Page show cam-usage Page Page show running config acl-vlan-group Common MAC ACL Commands clear counters mac access-group mac access-group show mac access-lists show mac accounting access-list Page Standard MAC ACL Commands Page mac access-list standard Page Page Page Page Extended MAC ACL Commands Page mac access-list extended Page Page Page Page Page Page IP Prefix List Commands access-class clear ip prefix-list Page ip prefix-list Page Page Page show ip prefix-list detail show ip prefix-list summary Route Map Commands continue Page match as-path match community match interface match ip address match ip next-hop match ip route-source match metric match origin match route-type match tag route-map Page set as-path set automatic-tag set comm-list delete set community set level set local-preference set metric set metric-type set next-hop set origin set tag set weight Page show route-map AS-Path Commands ip as-path access-list show ip as-path-access-lists IP Community List Commands ip community-list show ip community-lists UDF ACL Commands deny ip feature udf-acl key match permit ip Page udf-id udf-qualifier-value udf-tcam Page Bidirectional Forwarding Detection (BFD) bfd all-neighbors Page bfd disable bfd enable (Configuration) bfd enable (Interface) bfd interval bfd protocol-liveness ip route bfd ipv6 ospf bfd all-neighbors neighbor bfd Page neighbor bfd disable show bfd neighbors Page vrrp bfd Page Border Gateway Protocol BGP IPv4 Commands address-family aggregate-address Page bgp add-path bgp always-compare-med bgp asnotation bgp bestpath as-path ignore bgp bestpath as-path multipath-relax bgp bestpath med confed bgp bestpath med missing-as-best bgp bestpath router-id ignore bgp client-to-client reflection bgp cluster-id bgp confederation identifier bgp confederation peers bgp dampening bgp default local-preference bgp dmzlink-bw bgp enforce-first-as bgp fast-external-fallover bgp four-octet-as-support bgp graceful-restart bgp log-neighbor-changes bgp non-deterministic-med bgp recursive-bgp-next-hop bgp regex-eval-optz-disable Page bgp router-id bgp soft-reconfig-backup capture bgp-pdu neighbor capture bgp-pdu max-buffer-size clear ip bgp Page clear ip bgp dampening clear ip bgp flap-statistics Page clear ip bgp peer-group debug ip bgp Page debug ip bgp dampening debug ip bgp events debug ip bgp keepalives debug ip bgp notifications debug ip bgp soft-reconfiguration debug ip bgp updates Page deny bandwidth Page Page Page neighbor activate neighbor add-path neighbor advertisement-interval neighbor advertisement-start neighbor allowas-in neighbor default-originate neighbor description neighbor distribute-list neighbor dmzlink-bw neighbor ebgp-multihop neighbor fall-over neighbor filter-list neighbor graceful-restart neighbor local-as neighbor maximum-prefix neighbor next-hop-self neighbor password neighbor peer-group (assigning peers) Page neighbor peer-group (creating group) neighbor peer-group passive neighbor remote-as neighbor remove-private-as neighbor route-map neighbor route-reflector-client neighbor send-community neighbor shutdown neighbor soft-reconfiguration inbound neighbor subnet neighbor timers neighbor update-source neighbor weight Page Page network backdoor permit bandwidth Page redistribute ospf router bgp set extcommunity bandwidth show capture bgp-pdu neighbor Page show ip bgp Page show ip bgp cluster-list Page show ip bgp community Page Page show ip bgp community-list Page show ip bgp dampened-paths show ip bgp detail Page Page show ip bgp extcommunity-list show ip bgp filter-list Page show ip bgp flap-statistics Page Page show ip bgp inconsistent-as show ip bgp neighbors Page Page Page Page show ip bgp next-hop show ip bgp paths Page show ip bgp paths as-path show ip bgp paths community show ip bgp peer-group Page show ip bgp regexp Page show ip bgp summary Page Page show running-config bgp timers bgp MBGP Commands debug ip bgp dampening Page show ip bgp dampened-paths Page BGP Extended Communities (RFC 4360) deny regex ip extcommunity-list match extcommunity Page permit regex set extcommunity rt set extcommunity soo show ip bgp ipv4 extcommunity-list Page show ip bgp paths extcommunity show ip extcommunity-list show running-config extcommunity-list IPv6 BGP Commands address-family address family ipv6 unicast aggregate-address bgp always-compare-med bgp bestpath as-path ignore bgp bestpath med confed bgp bestpath med missing-as-best bgp client-to-client reflection bgp cluster-id bgp confederation identifier bgp dampening bgp default local-preference bgp enforce-first-as bgp fast-external-fallover bgp four-octet-as-support bgp graceful-restart bgp log-neighbor-changes bgp non-deterministic-med bgp recursive-bgp-next-hop bgp regex-eval-optz-disable bgp router-id bgp soft-reconfig-backup capture bgp-pdu max-buffer-size capture bgp-pdu neighbor (ipv6) clear ip bgp ipv6-address clear ip bgp * (asterisk) clear ip bgp as-number clear ip bgp ipv6 dampening clear ip bgp ipv6 flap-statistics Page clear ip bgp ipv6 unicast clear ip bgp ipv6 unicast dampening clear ip bgp ipv6 unicast flap-statistics debug ip bgp keepalives debug ip bgp ipv6 dampening debug ip bgp ipv6 unicast peer-group updates debug ip bgp ipv6 unicast dampening debug ip bgp ipv6 unicast updates debug ip bgp notifications debug ip bgp updates Page Page ipv6 prefix-list Page neighbor activate neighbor advertisement-interval neighbor allowas-in neighbor default-originate neighbor description neighbor distribute-list neighbor ebgp-multihop neighbor fall-over neighbor filter-list neighbor maximum-prefix Page neighbor next-hop-self neighbor peer-group (assigning peers) neighbor peer-group (creating group) neighbor peer-group passive neighbor remote-as neighbor remove-private-as neighbor route-map neighbor route-reflector-client neighbor send-community neighbor soft-reconfiguration inbound neighbor subnet neighbor shutdown neighbor timers neighbor update-source neighbor weight neighbor X:X:X::X password Page network backdoor Page redistribute ospf router bgp show capture bgp-pdu neighbor Page show ip bgp next-hop show ip bgp paths show ip bgp paths as-path show ip bgp paths community show ip bgp paths extcommunity show ip bgp regexp show ipv6 prefix-list show ip bgp ipv6 unicast show ip bgp ipv6 unicast cluster-list show ip bgp ipv6 unicast community show ip bgp ipv6 unicast community-list show ip bgp ipv6 unicast dampened-paths show ip bgp ipv6 unicast detail show ip bgp ipv6 unicast extcommunity-list show ip bgp ipv6 unicast filter-list show ip bgp ipv6 unicast flap-statistics show ip bgp ipv6 unicast inconsistent-as show ip bgp ipv6 unicast neighbors show ip bgp ipv6 unicast peer-group show ip bgp ipv6 unicast summary timers bgp IPv6 MBGP Commands show ipv6 mbgproutes Content Addressable Memory (CAM) CAM Profile Commands cam-acl (Configuration) Page cam-acl-egress cam-optimization show cam-acl Page test cam-usage Page Unified Forwarding Table Modes hardware forwarding-table mode show hardware forwarding-table mode Control Plane Policing (CoPP) clear control-traffic protocol clear control-traffic queue control-plane-cpuqos service-policy rate-limit-cpu-queues cpu-qos service-policy rate-limit-protocols cpu-qos show control-traffic protocol Page show control-traffic queue Page show cpu-queue rate show ip protocol-queue-mapping show ipv6 protocol-queue-mapping Page show mac protocol-queue-mapping show protocol-queue-mapping Page Page Data Center Bridging (DCB) DCB Command dcb-enable PFC Commands clear pfc counters clear pfc counters sfm backplane all pfc no-drop queues show dcb show interface pfc Page Page show interface pfc statistics ETS Commands dcb-enable clear ets counters show interface ets Page DCBX Commands advertise dcbx-tlv dcbx port-role dcbx version debug dcbx fcoe priority-bits iscsi priority-bits show interface dcbx detail Page Page dcb-map dcb-map sfm all backplane all priority-pgid priority-group bandwidth pfc dcb-map linecard all backplane all dcb-policy buffer-threshold sfm all port-set all backplane all dcb pfc-shared-buffer-size dcb pfc-shared-buffer-size sfm all dcb-buffer-threshold priority show linecard port-set backplane all Page show sfm backplane all pfc buffer-threshold Page qos-policy-buffer Page dcb-policy buffer-threshold (Interface Configuration) dcb-policy buffer-threshold linecard all backplane all show qos dcb-buffer-threshold show running-config dcb-buffer-threshold Page dcb pfc-total-buffer-size dcb pfc-queues dcb <ets | pfc> enable Debugging and Diagnostics Diagnostics and Monitoring Commands logging coredump logging coredump server Offline Diagnostic Commands diag Page offline system online system show diag Page Page Page Page show diag information show diag testcase Page Buffer Tuning Commands buffer-profile (Configuration) Hardware Commands clear control-traffic clear hardware Page clear hardware system-flow clear hardware vlan-counters remote-exec show control-traffic show hardware Page Page Page Page Page Page Page Page Page Page Page Page Page show hardware counters interface Page show hardware buffer interface Page show hardware buffer-stats-snapshot Page Page show hardware ipv6 show hardware layer2 Page show hardware layer3 Page show hardware system-flow Page Page show hardware vlan-counters show hardware drops Page tcpdump Page Dynamic Host Configuration Protocol (DHCP) Configure a DHCP Server and DHCP Clients clear ip dhcp Page debug ipv6 dhcp debug ip dhcp client events Page debug ip dhcp client packets default-router dns-server domain-name excluded-address hardware-address host ip address dhcp ip address dhcp relay information-option ip address dhcp vendor-class-identifier lease netbios-name-server netbios-node-type pool show ip dhcp client statistics show ip dhcp configuration show ip dhcp conflict show ip dhcp lease Page show ip dhcp server statistics Configure Secure DHCP and DHCP Relay arp inspection arp inspection-trust Page clear ipv6 dhcp snooping binding ip dhcp snooping ipv6 dhcp snooping ip dhcp snooping binding IPv6 DHCP Snooping Binding ip dhcp snooping database ipv6 dhcp snooping database write-delay ip dhcp snooping database renew ipv6 dhcp snooping database renew ip dhcp snooping trust ipv6 dhcp snooping trust ip dhcp snooping verify mac-address ipv6 dhcp snooping verify mac-address ip dhcp snooping vlan ipv6 dhcp snooping vlan ip dhcp source-address-validation ipv6 helper-address show ip dhcp binding show ipv6 dhcp snooping Page Equal Cost Multi-Path (ECMP) ecmp-group hash-algorithm Page Page Page hash-algorithm ecmp hash-algorithm hg hash-algorithm hg-seed hash-algorithm seed ip ecmp-group link-bundle-distribution trigger-threshold link-bundle-monitor enable Page show link-bundle distribution Flex Hash load-balance ingress-port enable load-balance flexhash lacp fast-switchover encapsulation dot1q Page FIPS Cryptography fips mode enable show fips status show ip ssh ssh Page Page Page FIP Snooping clear fip-snooping database interface vlan clear fip-snooping statistics debug fip snooping debug fip snooping rx Page feature fip-snooping fip-snooping enable fip-snooping fc-map fip-snooping port-mode fcf fip-snooping max-sessions-per-enodemac show fip-snooping config show fip-snooping enode show fip-snooping fcf show fip-snooping sessions show fip-snooping statistics Page Page Page show fip-snooping system show fip-snooping vlan Page Force10 Resilient Ring Protocol (FRRP) clear frrp debug frrp Page Page interface Page member-vlan mode protocol frrp show frrp Page timer Page GARP VLAN Registration (GVRP) clear gvrp statistics debug gvrp Page garp timers gvrp enable gvrp registration protocol gvrp show garp timers show gvrp show gvrp statistics Page Page Internet Group Management Protocol (IGMP) IGMP Commands clear ip igmp groups debug ip igmp Page ip igmp access-group ip igmp group-join-limit ip igmp immediate-leave ip igmp last-member-query-interval ip igmp querier-timeout ip igmp query-interval ip igmp query-max-resp-time ip igmp ssm-map ip igmp static-group ip igmp version show ip igmp groups Page Page show ip igmp interface show ip igmp ssm-map IGMP Snooping Commands Important Points to Remember for IGMP Snooping Important Points to Remember for IGMP Querier clear ip igmp snooping groups debug ip igmp snooping ip igmp snooping enable ip igmp snooping fast-leave ip igmp snooping flood ip igmp snooping last-member-query-interval ip igmp snooping mrouter ip igmp snooping querier show ip igmp snooping groups Page show ip igmp snooping mrouter Interfaces Basic Interface Commands clear counters Page clear dampening dampening Page duplex (Management) flowcontrol Page Page interface interface loopback interface ManagementEthernet interface null interface range Page Page interface range macro (define) Page interface range macro name interface vlan keepalive linecard portmode monitor interface Page Page Page Page mtu portmode hybrid Page rate-interval reset linecard Page show config (from INTERFACE RANGE mode) show interfaces Page Page Page Page Page Page show interfaces configured Page show interfaces dampening show interfaces phy Page Page show interfaces status Page show interfaces vlan show range show running-config ecmp-group shutdown speed (Management interface) switchport Page Egress Interface Selection (EIS) Commands application clear management application pkt-cntr clear management application pkt-fallback-cntr management egress-interface-selection show ip management-eis-route show management application pkt-cntr show management application pkt-fallback-cntr Port Channel Commands channel-member group interface port-channel Page minimum-links port-channel failover-group show interfaces port-channel Page Page show port-channel-flow Page HiGig Port Channel Commands clear hardware hg-stats hg-link-bundle-monitor enable hg-link-bundle-monitor rate-interval hg-link-bundle-monitor trigger-threshold show hardware hg-stats Page show hg-link-bundle-distribution Page snmp-server enable traps hg-lbm UDP Broadcast debug ip udp-helper ip udp-helper udp-port show ip udp-helper Page Internet Protocol Security (IPSec) crypto ipsec transform-set Page crypto ipsec policy management crypto-policy match Page session-key show crypto ipsec transform-set show crypto ipsec policy Page transform-set IPv4 Routing arp arp backoff-time arp learn-enable arp retries arp timeout clear arp-cache Page clear host clear ip fib linecard clear ip route clear ip traffic clear tcp statistics debug arp debug ip dhcp Page debug ip icmp debug ip packet Page Page ip address ip directed-broadcast ip domain-list ip domain-lookup ip domain-name ip helper-address ip helper-address hop-count disable ip host ip max-frag-count ip mtu Z9500 Page ip name-server ip proxy-arp ip route Page ip source-route ip unreachables ipv4 unicast-host-route load-balance Page management route show arp Page Page Page show arp retries show hosts Page show ip cam linecard Page Page show ip fib linecard Page show ip flow show ip interface Page Page show ip management-route show ip protocols show ip route Page Page show ip route list show ip route summary Page show ip traffic Page Page show tcp statistics Page Page IPv6 Access Control Lists (IPv6 ACLs) cam-acl Page cam-acl-egress deny (for IPv6 ACLs) deny arp (for Extended MAC ACLs) Page deny icmp (for Extended IPv6 ACLs) deny tcp (for IPv6 ACLs) Page deny udp (for IPv6 ACLs) Page ipv6 access-list ipv6 control-plane egress-filter permit (for IPv6 ACLs) Page permit icmp (for IPv6 ACLs) permit tcp (for IPv6 ACLs) Page permit udp (for IPv6 ACLs) seq (for IPv6 ACLs) Page test cam-usage Page IPv6 Basics cam-ipv6 extended-prefix clear ipv6 fib clear ipv6 route clear ipv6 mld_host ipv6 address Page ipv6 address eui64 ipv6 control-plane icmp error-rate-limit ipv6 flowlabel-zero ipv6 host ipv6 name-server ipv6 nd dad attempts ipv6 nd prefix ipv6 neighbor ipv6 route Page Page ipv6 unicast-host-route ipv6 unicast-routing show cam-ipv6 extended-prefix show ipv6 cam linecard Page show ipv6 management-route show ipv6 control-plane icmp show ipv6 fib linecard show ipv6 flowlabel-zero show ipv6 interface Page Page show ipv6 mld_host show ipv6 neighbors Page show ipv6 route Page Page Page iSCSI Optimization advertise dcbx-app-tlv iscsi aging time iscsi cos iscsi enable iscsi priority-bits iscsi profile-compellant iscsi target port show iscsi show iscsi session show iscsi session detailed show run iscsi Page Intermediate System to Intermediate System (IS-IS) adjacency-check advertise area-password clear config clear isis clns host debug isis debug isis adj-packets debug isis graceful-restart debug isis local-updates debug isis snp-packets debug isis spf-triggers debug isis update-packets default-information originate Page distance distribute-list in distribute-list out distribute-list redistributed-override domain-password graceful-restart ietf graceful-restart interval graceful-restart restart-wait graceful-restart t1 graceful-restart t2 graceful-restart t3 hello padding hostname dynamic ignore-lsp-errors ip router isis ipv6 router isis isis circuit-type isis csnp-interval isis hello-interval isis hello-multiplier isis hello padding isis ipv6 metric isis metric isis network point-to-point isis password isis priority is-type log-adjacency-changes lsp-gen-interval lsp-mtu lsp-refresh-interval max-area-addresses max-lsp-lifetime maximum-paths metric-style multi-topology net passive-interface Page Page redistribute bgp redistribute ospf Page router isis set-overload-bit Page show isis database Page Page show isis graceful-restart detail Page show isis hostname show isis interface Page show isis neighbors Page show isis protocol show isis traffic Page spf-interval Page Link Aggregation Control Protocol (LACP) clear lacp counters debug lacp lacp long-timeout lacp port-priority lacp system-priority port-channel mode port-channel-protocol lacp show lacp Page Layer 2 MAC Addressing Commands clear mac-address-table mac-address-table aging-time mac-address-table static Page mac-address-table station-move refresh-arp mac learning-limit Page mac learning-limit learn-limit-violation mac learning-limit mac-address-sticky mac learning-limit station-move-violation mac learning-limit reset show cam mac linecard (dynamic or static) show mac-address-table Page Page show mac-address-table aging-time show mac learning-limit Virtual LAN (VLAN) Commands default vlan-id default-vlan disable name Page show vlan Page Page tagged track ip Page untagged Far-End Failure Detection (FEFD) debug fefd fefd fefd disable fefd interval fefd mode fefd reset fefd-global interval fefd-global show fefd Page Page Link Layer Discovery Protocol (LLDP) LLPD Commands advertise dot1-tlv advertise dot3-tlv advertise management-tlv advertise management-tlv (Interface) clear lldp counters clear lldp neighbors debug lldp interface Page hello management-interface mode multiplier protocol lldp (Configuration) protocol lldp (Interface) show lldp neighbors show lldp statistics show management-interface show running-config lldp LLDP-MED Commands advertise med guest-voice advertise med guest-voice-signaling advertise med location-identification advertise med power-via-mdi advertise med softphone-voice advertise med streaming-video advertise med video-conferencing advertise med video-signaling advertise med voice advertise med voice-signaling Page Microsoft Network Load Balancing arp (for Multicast MAC Address) ip vlan-flooding mac-address-table static (for Multicast MAC Address) Page Multicast IPv4 Multicast Commands clear ip mroute ip mroute Page ip multicast-limit ip multicast-routing show ip mroute Page Page show ip rpf IPv6 Multicast Commands debug ipv6 mld_host ip multicast-limit Page Multicast Source Discovery Protocol (MSDP) clear ip msdp peer clear ip msdp sa-cache clear ip msdp statistic debug ip msdp ip msdp cache-rejected-sa ip msdp default-peer ip msdp log-adjacency-changes ip msdp mesh-group ip msdp originator-id ip msdp peer Page ip msdp redistribute ip msdp sa-filter ip msdp sa-limit ip msdp shutdown ip multicast-msdp show ip msdp show ip msdp sa-cache rejected-sa Page Multiple Spanning Tree Protocol (MSTP) debug spanning-tree mstp Page Page Page Page max-hops msti name protocol spanning-tree mstp revision Page show spanning-tree mst configuration show spanning-tree msti Page spanning-tree spanning-tree msti spanning-tree mstp edge-port Page Page Open Shortest Path First (OSPFv2 and OSPFv3) OSPFv2 Commands area default-cost area nssa area range area stub auto-cost clear ip ospf clear ip ospf statistics debug ip ospf Page Page default-information originate Page distance distance ospf distribute-list in Page distribute-list out enable inverse-mask fast-convergence flood-2328 graceful-restart grace-period graceful-restart helper-reject graceful-restart mode graceful-restart role ip ospf auth-change-wait-time ip ospf authentication-key ip ospf cost ip ospf dead-interval ip ospf hello-interval ip ospf message-digest-key ip ospf mtu-ignore ip ospf network ip ospf priority ip ospf retransmit-interval ip ospf transmit-delay log-adjacency-changes mib-binding network area passive-interface Page Page redistribute bgp redistribute isis Page router-id router ospf show ip ospf Page show ip ospf asbr show ip ospf database Page show ip ospf database asbr-summary Page show ip ospf database external Page Page show ip ospf database network Page show ip ospf database nssa-external show ip ospf database opaque-area Page show ip ospf database opaque-as show ip ospf database opaque-link show ip ospf database router Page Page show ip ospf database summary Page show ip ospf interface Page Page show ip ospf neighbor show ip ospf routes show ip ospf statistics Page Page Page show ip ospf timers rate-limit show ip ospf topology summary-address timers spf timers throttle lsa all timers throttle lsa arrival OSPFv3 Commands area authentication Page area encryption Page clear ipv6 ospf process debug ipv6 ospf bfd Page debug ipv6 ospf packet Page default-information originate graceful-restart grace-period graceful-restart mode ipv6 ospf area ipv6 ospf authentication Page ipv6 ospf bfd all-neighbors ipv6 ospf cost ipv6 ospf dead-interval ipv6 ospf encryption Page ipv6 ospf graceful-restart helper-reject ipv6 ospf hello-interval ipv6 ospf priority ipv6 router ospf Page passive-interface Page router-id show crypto ipsec policy Page show crypto ipsec policy Command Fields show crypto ipsec sa ipv6 Page show crypto ipsec sa ipv6 Command Fields show ipv6 ospf interface show ipv6 ospf database Page show ipv6 ospf neighbor timers spf Page Pay As You Grow install license Page show license Page PIM-Sparse Mode (PIM-SM) IPv4 PIM-Sparse Mode Commands clear ip pim rp-mapping clear ip pim tib debug ip pim ip pim bsr-border ip pim bsr-candidate ip pim dr-priority ip pim join-filter ip pim ingress-interface-map ip pim neighbor-filter ip pim query-interval ip pim register-filter ip pim rp-address ip pim rp-candidate ip pim sparse-mode ip pim sparse-mode sg-expiry-timer ip pim spt-threshold no ip pim snooping dr-flood show ip pim bsr-router show ip pim interface show ip pim neighbor show ip pim rp Page show ip pim snooping interface show ip pim snooping neighbor show ip pim snooping tib Page show ip pim summary show ip pim tib Page Page show running-config pim IPv6 PIM-Sparse Mode Commands clear ipv6 pim tib ipv6 pim bsr-border ipv6 pim bsr-candidate ipv6 pim dr-priority ipv6 pim join-filter ipv6 pim neighbor-filter ipv6 pim query-interval ipv6 pim register-filter ipv6 pim rp-address ipv6 pim rp-candidate ipv6 pim sparse-mode ipv6 pim spt-threshold show ipv6 pim bsr-router show ipv6 pim interface show ipv6 pim neighbor show ipv6 pim rp show ipv6 pim tib Page PIM-Source Specific Mode (PIM-SSM) IPv4 PIM Commands IPv4 PIM-Source Specific Mode Commands ip pim ssm-range Page show ip pim ssm-range IPv6 PIM Commands IPv6 PIM-Source Specific Mode Commands ipv6 pim ssm-range show ipv6 pim ssm-range Policy-based Routing (PBR) ip redirect-group ip redirect-list permit redirect Page seq Page Page show cam pbr show ip redirect-list Page Port Monitoring monitor multicast-queue monitor session Page rate-limit show monitor session show running-config monitor session source (port monitoring) Page Page Private VLAN (PVLAN) Private VLAN Concepts ip local-proxy-arp private-vlan mode Page private-vlan mapping secondary-vlan show interfaces private-vlan show vlan private-vlan Page Page switchport mode private-vlan Page Per-VLAN Spanning Tree Plus (PVST+) Page extend system-id protocol spanning-tree pvst show spanning-tree pvst Page Page Page spanning-tree pvst Page spanning-tree pvst err-disable Page vlan bridge-priority vlan forward-delay vlan hello-time vlan max-age Page Quality of Service (QoS) Global Configuration Commands qos-rate-adjust service-class bandwidth-percentage service-class dot1p-mapping service-class dynamic dot1p service-class wred backplane service-class wred ecn backplane Page service-pool wred show qos dot1p-queue-mapping Per-Port QoS Commands dot1p-priority rate police rate shape strict-priority queue Policy-Based QoS Commands bandwidth-percentage class-map Page clear qos statistics Page match ip access-group match ip dscp match ip precedence Page match ip vlan match mac access-group match mac dot1p match mac vlan policy-aggregate policy-map-input policy-map-output qos-policy-input qos-policy-output rate-police rate-shape service-policy input Page service-policy output service-queue set show qos class-map show qos policy-map show qos policy-map-input Page show qos policy-map-output show qos qos-policy-input show qos qos-policy-output show qos statistics Page show qos wred-profile test cam-usage Page threshold trust Page wred wred weight wred ecn wred-profile DSCP Color Map Commands dscp qos dscp-color-map qos dscp-color-policy show qos dscp-color-map Routing Information Protocol (RIP) auto-summary clear ip rip debug ip rip Page default-information originate default-metric Page distance distribute-list in distribute-list out ip poison-reverse ip rip receive version ip rip send version ip split-horizon maximum-paths neighbor network offset-list output-delay passive-interface Page redistribute isis redistribute ospf router rip Page show ip rip database show running-config rip timers basic Page version Remote Monitoring (RMON) rmon alarm Page rmon collection history rmon collection statistics rmon event rmon hc-alarm show rmon show rmon alarms Page show rmon events show rmon hc-alarm show rmon history Page show rmon log show rmon statistics Page Rapid Spanning Tree Protocol (RSTP) bridge-priority debug spanning-tree rstp Page Page Page Page Page protocol spanning-tree rstp Page show spanning-tree rstp Page spanning-tree rstp Page Page Page Security Role-Based Access Control Commands aaa authorization role-only role show role show userroles userrole AAA Accounting Commands aaa accounting Page aaa accounting suppress accounting Page show accounting Authorization and Privilege Commands authorization aaa authorization commands aaa authorization config-commands aaa authorization exec privilege level (CONFIGURATION mode) privilege level (LINE mode) Obscure Password Commands service obscure-passwords Authentication and Password Commands aaa authentication enable Page aaa authentication login Page access-class enable password enable restricted enable secret login authentication password Page password-attributes service password-encryption show privilege show users timeout login response username Page RADIUS Commands debug radius ip radius source-interface radius-server deadtime radius-server host Page radius-server key radius-server retransmit radius-server timeout TACACS+ Commands debug tacacs+ ip tacacs source-interface tacacs-server host Page tacacs-server key Port Authentication (802.1X) Commands dot1x authentication (Configuration) dot1x authentication (Interface) dot1x auth-fail-vlan dot1x auth-server dot1x guest-vlan dot1x mac-auth-bypass dot1x max-eap-req dot1x port-control dot1x quiet-period dot1x reauthentication dot1x reauth-max dot1x server-timeout dot1x supplicant-timeout dot1x tx-period show dot1x interface SSH Server and SCP Commands crypto key generate Page crypto key zeroize rsa debug ip ssh ip scp topdir ip ssh authentication-retries ip ssh connection-rate-limit ip ssh hostbased-authentication ip ssh key-size ip ssh password-authentication ip ssh pub-key-file ip ssh rekey ip ssh rhostsfile ip ssh rsa-authentication (Config) ip ssh rsa-authentication (EXEC) ip ssh server Page Page ip ssh source-interface show crypto show ip ssh show ip ssh client-pub-keys show ip ssh rsa-authentication ssh Page Page Secure DHCP Commands ip dhcp relay ip dhcp snooping ip dhcp snooping binding ip dhcp snooping database ip dhcp snooping database renew ip dhcp snooping trust ip dhcp source-address-validation ip dhcp snooping vlan Page Page Service Provider Bridging debug protocol-tunnel Page protocol-tunnel protocol-tunnel destination-mac protocol-tunnel enable protocol-tunnel rate-limit show protocol-tunnel Page sFlow sflow collector sflow enable (Global) sflow enable (Interface) sflow extended-switch enable sflow max-header-size extended sflow polling-interval (Global) sflow polling-interval (Interface) sflow sample-rate (Global) sflow sample-rate (Interface) show sflow Page show sflow linecard Page Simple Network Management Protocol (SNMP) and Syslog SNMP Commands show snmp show snmp engineID show snmp group show snmp user snmp ifmib ifalias long snmp-server community Page snmp-server contact snmp-server enable traps Page snmp-server engineID snmp-server group Page snmp-server host Page Page snmp-server location snmp-server packetsize snmp-server trap-source snmp-server user Page snmp-server view Page snmp trap link-status Syslog Commands clear logging clear logging auditlog default logging buffered default logging console default logging monitor default logging trap logging Page logging buffered logging console logging extended logging facility logging history logging history size logging monitor logging on logging source-interface logging synchronous logging trap logging version show logging Page show logging auditlog show logging driverlog Page show logging kernellog Page terminal monitor Page SNMP Traps Page Page Page Storm Control show storm-control broadcast show storm-control multicast show storm-control unknown-unicast storm-control broadcast (Configuration) storm-control broadcast (Interface) storm-control multicast (Configuration) storm-control multicast (Interface) storm-control unknown-unicast (Configuration) storm-control unknown-unicast (Interface) Page Spanning Tree Protocol (STP) bpdu-destination-mac-address bridge-priority debug spanning-tree Page Page Page Page protocol spanning-tree Page show spanning-tree 0 Page Page Page spanning-tree 0 Page System Time and Date clock set clock summer-time date Page clock summer-time recurring Page clock timezone debug ntp ntp authenticate ntp authentication-key ntp broadcast client ntp disable ntp multicast client ntp master <stratum> ntp server ntp source ntp trusted-key show clock show ntp associations show ntp vrf associations show ntp status Page Tunneling ip unnumbered ipv6 unnumbered tunnel allow-remote tunnel destination tunnel dscp tunnel flow-label tunnel hop-limit tunnel keepalive tunnel-mode tunnel source Page Uplink Failure Detection (UFD) clear ufd-disable debug uplink-state-group Page downstream downstream auto-recover downstream disable links enable show running-config uplink-state-group show uplink-state-group uplink-state-group upstream Page VLAN Stacking member peer-domain-link port-channel exclude-vlan vlan-stack access vlan-stack compatible Page vlan-stack dot1p-mapping vlan-stack protocol-type Page vlan-stack trunk Page tagged port-channel untagged port-channel Virtual Routing and Forwarding (VRF) ip vrf ip http vrf ip vrf forwarding ip route-export Page ip route-import ipv6 route-export ipv6 route-import match source-protocol interface management maximum dynamic-routes show ip vrf show run vrf Page Virtual Link Trunking (VLT) back-up destination clear vlt statistics delay-restore delay-restore abort-threshold lacp ungroup member-independent multicast peer-routing timeout peer-link port-channel peer-routing peer-routing-timeout primary-priority show vlt brief show vlt backup-link show vlt counters Page show vlt detail show vlt inconsistency show vlt mismatch Page show vlt private-vlan show vlt role show vlt statistics Page show vlt statistics igmp-snoop system-mac unit-id vlt domain vlt-peer-lag port-channel Page VLT Proxy Gateway proxy-gateway lldp proxy-gateway static remote-mac-address exclude-vlan peer-domain-link port-channel exclude-vlan proxy-gateway peer-timeout vlt-peer-mac transmit show vlt-proxy-gateway Page Virtual Router Redundancy Protocol (VRRP) IPv4 VRRP Commands advertise-interval authentication-type clear counters vrrp debug vrrp Page Page hold-time preempt priority Page show vrrp Page Page Page version virtual-address vrrp delay minimum vrrp delay reload vrrp-group IPv6 VRRP Commands clear counters vrrp ipv6 debug vrrp ipv6 show vrrp ipv6 Page vrrp-ipv6-group