frr defaults traditional
!
interface eth0
 ipv6 address 2001:2::2/64
!
ip forwarding
ipv6 forwarding
!
router bgp 65501
 bgp router-id 1.1.20.1
 neighbor 2001:2::1 remote-as 65501
 address-family ipv6 unicast
  neighbor 2001:2::1 activate
 exit-address-family
exit
 

