BGP generator

Neighbours, advertised prefixes and the guards that keep a session from becoming an incident.

Local router

One prefix per line.

Neighbours

Export
bgp.txtcisco-ios
29 lines
! Cisco IOS / IOS-XE — BGP AS 65001, generated by NetField
! Every eBGP neighbour should have an inbound and outbound policy — a missing one is how route leaks happen.
! maximum-prefix protects against a neighbour sending a full table by mistake.

configure terminal
!
router bgp 65001
 bgp router-id 10.255.0.1
 bgp log-neighbor-changes
 ! ISP-A transit
 neighbor 192.0.2.1 remote-as 64500
 neighbor 192.0.2.1 description ISP-A transit
 neighbor 192.0.2.1 maximum-prefix 1000 80 restart 15
 ! ISP-B transit
 neighbor 198.51.100.1 remote-as 64501
 neighbor 198.51.100.1 description ISP-B transit
 neighbor 198.51.100.1 maximum-prefix 1000 80 restart 15
 !
 address-family ipv4 unicast
  network 10.20.0.0 mask 255.255.0.0
  neighbor 192.0.2.1 activate
  neighbor 192.0.2.1 route-map ISP-A-IN in
  neighbor 192.0.2.1 route-map ISP-A-OUT out
  neighbor 198.51.100.1 activate
  neighbor 198.51.100.1 route-map ISP-B-IN in
  neighbor 198.51.100.1 route-map ISP-B-OUT out
 exit-address-family
!
end