!
interface r1-eth0
 ip address 192.168.255.1/24
!
interface r1-eth1
 ip address 192.168.251.1/30
!
ip forwarding
!
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 PG1 graceful-restart-disable
 neighbor 192.168.251.2 peer-group PG1
!