BGP global mode

To enable BGP4, use the router bgp command in global configuration mode.

device(config)# router bgp 

After using the router bgp command you enter into BGP global configuration mode.

Commands entered in BGP global configuration mode apply to the IPv4 unicast address family. Where relevant, this chapter discusses and provides IPv4-unicast-specific examples. You must first configure IPv4 unicast routing for any IPv4 routing protocol to be active.

Possible completions:

  address-family                Enter Address Family command mode
  address-filter                Configure IP address filters
  aggregate-address             Configure BGP aggregate entries
  always-compare-med            Allow comparing MED from different neighbors
  always-propagate              Allow readvertisement of best BGP routes not in
                                IP forwarding table
  as-path-filter                Configure autonomous system path filters
  as-path-ignore                Ignore AS_PATH length info for best route
                                selection
  bgp-redistribute-internal     Allow redistribution of iBGP routes into IGPs
  capability                    Set capability
  clear                         Clear table/statistics/keys
  client-to-client-reflection   Configure client to client route reflection
  cluster-id                    Configure Route-Reflector Cluster-ID
  community-filter              Configure community list filters
  compare-routerid              Compare router-id for identical BGP paths
  confederation                 Configure AS confederation parameters
  dampening                     Enable route-flap dampening
  default-information-originate
  default-local-preference      Configure default local preference value
  default-metric                Set metric of redistributed routes
  distance                      Define an administrative distance
  enforce-first-as              Enforce the first AS for EBGP routes
  exit-address-family           Exit Address Family command mode
  fast-external-fallover        Reset session if link to EBGP peer goes down
  graceful-restart              Enables the BGP graceful restart capability
  local-as                      Configure local AS number
  maxas-limit                   Impose limit on number of ASes in AS-PATH
                                attribute
  maximum-paths                 Forward packets over multiple paths
  med-missing-as-worst          Consider routes missing MED attribute as least
                                desirable
  multipath                     Enable multipath for ibgp or ebgp neighbors only
  neighbor                      Specify a neighbor router
  network                       Specify a network to announce via BGP
  next-hop-enable-default       Enable default route for BGP next-hop lookup
  next-hop-recursion            Perform next-hop recursive lookup for BGP route
  readvertise                   Allow readvertisement of best BGP routes not in
                                IP forwarding table
  redistribute                  Redistribute information from another routing
                                protocol
  table-map                     Map external entry attributes into routing table
  timers                        Adjust routing timers
  update-time                   Configure igp route update interval