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- Home
- About this document
- Virtual Routing and Forwarding (VRF)
- Loopback
- Static routing
- Open Shortest Path First version 2 (OSPFv2)
- Overview
- How OSPFv2 protocol works
- OSPFv2 concepts
- OSPFv2 configuration task list
- Configuring OSPF on the routing switch
- Assigning the routing switch to an OSPF area
- Setting OSPF network for the area
- Creating an OSPF virtual link for an area
- Configuring external route redistribution and control
- Configuring area ranges on an ABR to reduce advertisements to the backbone
- Influencing route choice by changing the administrative distance
- Configuring graceful restart of OSPF routing
- Configuring OSPF interface settings
- Configuring OSPF interface authentication
- Configuring OSPF virtual link settings
- Configuring OSPF authentication on a virtual link
- Configuring all OSPF interfaces as passive
- Configuring SPF throttling timers
- Viewing OSPFv2 information
- Clearing OSPF statistics on a switch
- An example of the OSPFv2 information in the show running-config command
- OSPFv2 commands
areaarea default-metricarea nssaarea rangearea stubarea virtual-linkauthenticationauthentication-keyclear ip ospf neighborsclear ip ospf statisticsdead-intervaldefault-information originatedefault-information originate alwaysdefault-metricdisabledistanceenablegraceful-restarthello-intervalip ospf areaip ospf authenticationip ospf authentication-keyip ospf costip ospf dead-intervalip ospf hello-intervalip ospf keychainip ospf message-digest-key md5ip ospf networkip ospf passiveip ospf priorityip ospf retransmit-intervalip ospf shutdownip ospf transit-delaykeychainmax-metric router-lsamaximum-pathsmessage-digest-key md5passive-interface defaultredistributereference-bandwidthretransmit-intervalrfc1583-compatibilityrouter ospfrouter-idshow ip ospfshow ip ospf border-routersshow ip ospf interfaceshow ip ospf lsdbshow ip ospf neighborsshow ip ospf routesshow ip ospf statisticsshow ip ospf statistics interfaceshow ip ospf virtual-linkssummary-addresstimers lsa-arrivaltimers throttle lsatimers throttle spftransit-delaytrap-enable
- Open Shortest Path First version 3 (OSPFv3)
- Overview
- How OSPFv3 protocol works
- OSPFv3 concepts
- OSPFv3 configuration task list
- Configuring OSPFv3 on the routing switch
- Creating an OSPFv3 area
- Setting OSPFv3 network for the area
- Configuring external route redistribution and control
- Configuring area ranges on an ABR to reduce advertisements to the backbone
- Influencing route choice by changing the administrative distance
- Configuring graceful restart
- Configuring OSPFv3 virtual link settings
- Configuring OSPFv3 interface settings
- Configuring BFD for OSPFv3
- Configuring all OSPFv3 interfaces as passive
- Configuring SPF throttling timers
- Viewing OSPFv3 information
- Clearing OSPFv3 statistics on a switch
- OSPFv3 commands
areaarea authentication ipsecarea encryption ipsecarea nssaarea rangearea stubarea virtual-linkarea default-metricauthentication ipsec spiclear ipv6 ospfv3 neighborsclear ipv6 ospfv3 statisticsdead-intervaldefault-metricdisabledistanceenableencryption ipsec spidefault-information originatedefault-information originate alwaysgraceful-restarthello-intervalipv6 ospfv3 areaipv6 ospfv3 authentication nullipv6 ospfv3 authentication ipsecipv6 ospfv3 costipv6 ospfv3 dead-intervalipv6 ospfv3 encryption ipsecipv6 ospfv3 encryption nullipv6 ospfv3 hello-intervalipv6 ospfv3 networkipv6 ospfv3 passiveipv6 ospfv3 priorityipv6 ospfv3 retransmit-intervalipv6 ospfv3 shutdownipv6 ospfv3 transit-delaymaximum-pathsmax-metric router-lsapassive-interface defaultredistributereference-bandwidthretransmit-intervalrouter-idrouter ospfv3show ipv6 ospfv3show ipv6 ospfv3 border-routersshow ipv6 ospfv3 interfaceshow ipv6 ospfv3 neighborsshow ipv6 ospfv3 routesshow ipv6 ospfv3 statisticsshow ipv6 ospfv3 statistics interfaceshow ipv6 ospfv3 virtual-linkssummary-addresstimers lsa-arrivaltimers throttle lsatimers throttle spftransit-delaytrap-enable
- Border Gateway Protocol (BGP)
- Overview
- Autonomous system numbers
- BGP sessions
- Inter-router communication
- BGP messages
- BGP neighbor states
- Injecting routes/prefixes into the BGP table
- Path attributes
- BGP best-path calculation
- Loop prevention
- Route policies
- Resetting BGP sessions
- IBGP full mesh requirement
- Route reflectors
- Loop prevention in route reflectors
- BGP peer groups
- BGP communities
- Aggregate routes
- BGP Graceful-Restart and high availability
- Basic BGP configuration
- Address families
- Scale limits
- BGP commands
address-familyaggregate-addressbgp always-compare-medbgp asnotation dottedbgp asnotation dotted-plusbgp bestpath as-path ignorebgp bestpath as-path multipath-relaxbgp bestpath compare-routeridbgp bestpath med confedbgp bestpath med missing-as-worstbgp cluster idbgp confederationbgp confederation peersbgp dampeningbgp default local-preferencebgp deterministic-medbgp fast-external-falloverbgp graceful-restart restart-timebgp graceful-restart stalepath-timebgp log-neighbor-changesbgp maxas-limitbgp router-idclear bgpdisable|enabledistance bgpmaximum-pathsneighbor activateneighbor advertisement-intervalneighbor add-pathsneighbor add-paths advertise-bestneighbor allowas-inneighbor capability orf prefix-listneighbor default-originateneighbor ebgp-multihopneighbor fall-overneighbor fall-over bfdneighbor graceful-shutdownneighbor local-asneighbor maximum-prefixneighbor next-hop-self-
neighbor orf prefix-list in neighbor passiveneighbor passwordneighbor portneighbor remote-asneighbor remove-private-ASneighbor route-mapneighbor route-reflector-clientneighbor send-communityneighbor shutdownneighbor soft-reconfiguration inboundneighbor timersneighbor ttl-security-hopsneighbor update-sourceneighbor weightnetworkredistributerouter bgpshow bgpshow bgp <PREFIX>show bgp communityshow bgp flap-statisticsshow bgp neighborsshow bgp neighbor advertised-routesshow bgp neighbor pathsshow bgp neighbor received orf-prefix-listshow bgp neighbor received-routesshow bgp neighbor routesshow bgp neighborsshow bgp pathsshow bgp peer-group summaryshow bgp summaryshow running-config bgptimers bgpvrf
- Route Policies and Route Maps
- Equal Cost Multipath (ECMP)
- Virtual Router Redundancy Protocol (VRRP)
- Inter-Virtual Router Forwarding (IVRF)
- Policy Based Routing (PBR)
- Overview
- PBR action list maximum entries
- IP versions in an action list
- Specifying valid next-hop and default-nexthop addresses
- Hardware path PBR versus software path PBR
- Hardware versus software path for default-nexthop action
- Software path and system default route
- PBR and VRFs
- PBR, ECMP, and routing protocols
- PBR, VSX, and VLAN ACLs
- PBR software path, VSX, and VRRP
- PBR and next-hop router reachability
- CLI errors
- PBR commands
- IP Directed Broadcast
- IP Neighbor Flood
- Key chain
- Routing Information Protocol (RIP)
- Support and other resources