Sample BGP Configuration


The following excerpt displays the relevant portions of the CLI configuration, which is used as a basis for the Border Gateway Protocol (BGP) examples contained within this document:

router bgp 3
 timers bgp 60 180
 bgp router-id 10.1.0.1
 bgp update-delay 55
 bgp cluster-id 10.1.0.2
 bgp graceful-restart purge-time 300
 default-information originate
 bgp graceful-restart restart-time 180
 bgp log neighbor changes disable
 default-metric 10
 bgp graceful-restart stalepath-time 300
 bgp graceful-restart
 bgp as-path-loopcheck
 socket send-buffer-size 131072
 bgp bestpath med always
 bgp bestpath compare-routerid
 bgp bestpath med missing-as-worst
 socket receive-buffer-size 131072
 address-family ipv4 unicast
  distance bgp 140 145 150
  bgp dampening 1 1400 1800 2
  bgp scan-time 30
  network 10.100.1.0/24
  network 10.100.2.0/24
  aggregate-address 10.100.0.0/16 summary-only
  redistribute connected route-map MATCH_ONE_CONNECT
  redistribute static route-map MATCH_ONE_STATIC
exit
 address-family ipv4 multicast
  distance bgp 120 125 130
  maximum-paths 6
  bgp dampening 2 2400 2800 3
  bgp scan-time 40
  network 10.10.1.0/24
  network 10.10.2.0/24
  aggregate-address 80.100.0.0/16 summary-only
  redistribute connected
exit
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neighbor 10.0.101.1
  remote-as 1
  ebgp-multihop 255
  address-family ipv4 unicast
   send-community-ebgp
   route-map EBGP_IN_1 in
  exit
  address-family ipv4 multicast
   send-community-ebgp
   route-map EBGP_IN_1 in
  exit
 exit
 neighbor 10.0.101.2
  remote-as 2
  ebgp-multihop 255
  address-family ipv4 unicast
   send-community-ebgp
   capability orf prefix-list receive
   route-map EBGP_IN_1 in
  exit
  address-family ipv4 multicast
   send-community-ebgp
   route-map EBGP_IN_1 in
  exit
 exit
 neighbor 10.0.101.3
  remote-as 3
  address-family ipv4 unicast
   route-map IBGP_IN_1 in
  exit
  address-family ipv4 multicast
   route-map IBGP_IN_1 in
  exit
 exit
 neighbor 10.0.101.4
  remote-as 4
  ebgp-multihop 255
  address-family ipv4 unicast
   route-map EBGP_IN_2 in
  exit
  address-family ipv4 multicast
   route-map EBGP_IN_2 in
  exit
 exit
neighbor 10.0.101.5
  remote-as 5
  ebgp-multihop 255
  address-family ipv4 unicast
   route-map EBGP_IN_3 in
  exit
  address-family ipv4 multicast
   route-map EBGP_IN_3 in
  exit
 exit
 neighbor 10.0.101.6
  remote-as 6
  ebgp-multihop 255
  address-family ipv4 unicast
   prefix-list orf in
   capability orf prefix-list both
  exit
  address-family ipv4 multicast
   prefix-list orf in
  exit
 exit
 neighbor 10.0.101.7
  remote-as 7
  ebgp-multihop 255
  address-family ipv4 unicast
   prefix-list orf in
   capability orf prefix-list send
  exit
  address-family ipv4 multicast
   prefix-list orf in
  exit
 exit
 neighbor 10.0.101.8
  remote-as 8
  ebgp-multihop 255
  address-family ipv4 multicast
  exit
 exit
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exit