Cisco IOS IP Routing: BGP Command Reference

1 CiscoIOS IP Routing: BGPC ommandReferenceFirstPublished:2012-11-21 LastModified:2019-11-21 AmericasHeadquartersCiscoSystems, West TasmanDriveSanJose,CA 95134-1706 : 408 526-4000800 553-NETS(6387)Fax:408 527-0883 2013 CiscoSystems,Inc. All :A throughB1 CHAPTER1activate(bmp)3additional-paths5a ddress(bmp)7address-familyipv4 (BGP)9address-familyl2vpn13address-famil ymvpn16address-familynsap17address-famil yrtfilterunicast19address-familyvpnv421a dvertiseadditional-paths23aggregate-addr ess25aigp29autodiscovery(MPLS)30auto-sum mary(BGP)32bgp additional-paths35bgp additional-pathsinstall38bgp additional-pathsselect(additionalpaths)4 0bgp additional-pathsselect(diversepath)43bgp advertise-best-external45bgp aggregate-timer47bgp always-compare-med49bgp asnotationdot51bgp bestpathaigp ignore55bgp bestpathas-pathignore56bgp bestpathcompare-routerid57 CiscoIOS IP routing .

2 BGPC ommandReferenceiiibgp bestpathcost-communityignore58bgp bestpathigp-metricignore59bgp bestpathmed confed61bgp bestpathmed missing-as-worst63bgp bestpathprefix-validate64bgp client-to-clientreflection66bgp client-to-clientreflectionintra-cluster6 8bgp cluster-id71bgp confederationidentifier73bgp confederationpeers76bgp consistency-checker79bgp dampening81bgp defaultipv4-unicast84bgp defaultlocal-preference85bgp deterministic-med86bgp dmzlink-bw88bgp enforce-first-as90bgp enhanced-error91bgp fast-external-fallover92bgp graceful-restart93bgp graceful-shutdownall96bgp inject-map99bgp listen101bgp log-neighbor-changes103bgp maxas-limit105bgp maxcommunity-limit106bgp maxextcommunity-limit107bgp mpls-local-label108bgp nexthop109bgp nexthoptriggerdelay112bgp nexthoptriggerenable113bgp nopeerup-delay114bgp recursionhost116bgp redistribute-internal121 CiscoIOS IP routing .

3 BGPC ommandReferenceivContentsbgp refreshmax-eor-time123bgp refreshstalepath-time124bgp regexpdeterministic125bgp route-mappriority127bgp router-id128bgp rpki server130bgp rr-group132bgp scan-time134bgp slow-peerdetection136bgp slow-peersplit-update-groupdynamic138bgp soft-reconfig-backup140bgp sourced-paths142bgp sso route-refresh-enable144bgp suppress-inactive145bgp transport147bgp update-delay148bgp update-groupsplit as-override149bgp upgrade-cli152bgp-policy154bmp157 BGPC ommands:C throughI159 CHAPTER2clear bgp l2vpnevpn161clear bgp nsap164clear bgp nsap dampening166clear bgp nsap external167clear bgp nsap flap-statistics168clear bgp nsap peer-group169clear proximityip bgp170clear ip bgp dampening175clear ip bgp external177clear ip bgp flap-statistics180clear ip bgp in prefix-filter182clear ip bgp ipv4183 CiscoIOS IP routing .

4 BGPC ommandReferencevContentsclear ip bgp ipv6187clear ip bgp l2vpn191clear ip bgp mvpn194clear ip bgp peer-group195clear ip bgp rpki server198clear ip bgp table-map200clear ip bgp update-group202clear ip bgp vpnv4205clear ip bgp vpnv4unicastdampening209clear ip bgp vpnv6211clear ip bgp vpnv6unicastdampening215clear ip prefix-list216continue217debugip bgp eventrpki222debugip bgp igp-metricignore223debugip bgp import224debugip bgp route-server227debugip bgp sso228default(bmp)230default-information originate(BGP)232default-metric(BGP)234d escription(bmp)236description(routeserve rcontext)238distancebgp239distribute-lis tin (BGP)241distribute-listout (BGP)243exit-bmp-server-mode(bmp)246exit -peer-policy248exit-peer-session249exit- route-server-context250exportmap (VRFtable to globaltable)251failure-retry-delay(bmp)2 53flapping-delay(bmp)255ha-modegraceful- restart257 CiscoIOS IP routing .

5 BGPC ommandReferenceviContentsimportipv4259im portmap261importpath limit263importpath selection265import-map267inheritpeer-pol icy269inheritpeer-session271initial-dela y(bmp)273ip as-pathaccess-list275ip bgp fast-external-fallover279ip bgp-communitynew-format280ip community-list282ip extcommunity-list288ip policy-list295ip prefix-list297ip prefix-listdescription300ip prefix-listsequence-number302ip verifyunicastvrf303 BGPC ommands:M throughN305 CHAPTER3matchadditional-pathsadvertise-s et307matchas-path310matchcommunity312mat chextcommunity314matchlocal-preference31 6matchpolicy-list318matchrpki320matchsou rce-protocol322maximum-pathseibgp325maxi mum-pathsibgp328mvpnsingle-forwarder-sel ectionhighest-ip-address332neighboraccep t-route-legacy-rt333neighboractivate334n eighboradditional-paths338 CiscoIOS IP routing .

6 BGPC ommandReferenceviiContentsneighboradvert iseadditional-paths340neighboradvertiseb est-external343neighboradvertisediverse- path345neighboradvertise-map347neighbora dvertisement-interval350neighboraigp send cost-community352neighboraigp send med354neighborallow-policy356neighborann ouncerpki state358neighboras-overridesplit-horizon 361neighborbmp-activate363neighborcapabi lityorf prefix-list365neighborcluster-id367neigh bordefault-originate369neighbordescripti on371neighbordisable-connected-check373n eighbordistribute-list375neighbordmzlink -bw378neighborebgp-multihop380neighborFa ll over382neighborfilter-list386neighborha- modegraceful-restart388neighborha-modess o390neighborinheritpeer-policy392neighbo rinheritpeer-session394neighborinternal- vpn-client396neighborlocal-as397neighbor maximum-prefix(BGP)404neighbornext-hop-s elf407neighbornext-hop-unchanged409neigh borpassword411neighborpath-attributedisc ard414neighborpath-attributetreat-as-wit hdraw416neighborpeer-group(assigningmemb ers)418 CiscoIOS IP routing .

7 BGPC ommandReferenceviiiContentsneighborpeer- group(creating)420neighborprefix-list423 neighborremote-as426neighborremove-priva te-as432neighborroute-map436neighborrout e-reflector-client438neighborroute-serve r-client440neighborsend-community442neig hborshutdown444neighborslow-peerdetectio n447neighborslow-peersplit-update-groupd ynamic449neighborslow-peersplit-update-g roupstatic451neighborsoft-reconfiguratio n452neighborsoo454neighborsuppress-signa ling-protocol457neighbortimers458neighbo rtranslate-update460neighbortransport463 neighborttl-security466neighborunsuppres s-map468neighborupdatelabeled-unicastuni que470neighborupdate-source472neighborve rsion474neighborweight476network(BGPand multiprotocolBGP)

8 478networkbackdoor480 BGPC ommands:O throughshow bgp483 CHAPTER4redistribute(BGPto ISO IS-IS)485redistribute(IP)488redistribute (ISO IS-ISto BGP)498redistributedvmrp500routerbgp501r oute-server-context507 CiscoIOS IP Routing: BGPC ommandReferenceixContentsscope509set aigp-metric511set as-path512set as-pathreplace515set comm-listdelete517set community519set dampening521set extcomm-listdelete524set extcommunitycost526set extcommunityrt529set extcommunitysoo534set extcommunityvpn-distinguisher538set ip dscp (bmp)541set ip next-hopself (BGP)543set ip next-hop(BGP)544set ipv6 next-hop(BGP)547set metric(BGP-OSPF-RIP)550set metric-typeinternal552set origin(BGP)

9 554set traffic-index556set weight558showbgp all community560showbgp all neighbors563showbgp ipv6569showbgp ipv6 unicastrib-failure573showbgp l2vpnevpn575showbgp l2vpnvpls579showbgp mvpn582showbgp nsap584showbgp nsap community587showbgp nsap community-list590showbgp nsap dampened-paths592showbgp nsap dampening594showbgp nsap filter-list597 CiscoIOS IP Routing: BGPC ommandReferencexContentsshowbgp nsap flap-statistics599showbgp nsap inconsistent-as602showbgp nsap neighbors604showbgp nsap paths611showbgp nsap quote-regexp613showbgp nsap regexp616showbgp nsap summary619showbgp vpnv6multicast622showbgp vpnv6unicast624showbgp vpnv6unicastrib-failure626 BGPC ommands.

10 Show ip throughZ629 CHAPTER5showip as-path-access-list631showip bgp633showip bgp bmp647showip bgp all dampening650showip bgp cidr-only652showip bgp cluster-ids654showip bgp community656showip bgp community-list659showip bgp dampened-paths662showip bgp dampeningdampened-paths664showip bgp dampeningflap-statistics666showip bgp dampeningparameters669showip bgp extcommunity-list671showip bgp filter-list673showip bgp flap-statistics675showip bgp inconsistent-as677showip bgp injected-paths678showip bgp ipv4680showip bgp ipv4 multicast684showip bgp ipv4 multicastsummary687showip bgp ipv6 multicast689showip bgp ipv6 unicast690 CiscoIOS IP Routing: BGPC ommandReferencexiContentsshowip bgp l2vpn692showip bgp neighbors698showip bgp path-attributediscard719showip bgp path-attributeunknown720showip bgp paths721showip bgp peer-group723showip bgp quote-regexp725showip bgp regexp729showip bgp replication733showip bgp rib-failure735showip bgp rpki servers737showip bgp rpki table739showip bgp rtfilter741showip bgp summary743showip bgp templatepeer-policy750showip bgp templatepeer-session753showip bgp unicastroute-server755showip bgp update-group758showip bgp vpnv4761showip bgp vpnv4all dampening773showip bgp vpnv4all sso summary775showip bgp vpnv6unicastall dampening776showip