!
router bgp 65001
  neighbor PG peer-group
  neighbor PG remote-as external
  neighbor PG timers 3 10
  neighbor 192.168.255.3 peer-group PG
  neighbor r1-eth0 interface peer-group PG
  neighbor PG1 peer-group
  neighbor PG1 remote-as external
  neighbor PG1 timers 3 20
  neighbor 192.168.251.2 peer-group PG1
!