!FRR4
config
!
frr version 8.3.1
frr defaults traditional
hostname FRR4
!
interface eth0
 ip address 10.0.0.10/30
 ip router isis 1
 ipv6 router isis 1
 isis network point-to-point
exit
!
interface eth1
 ip address 10.0.0.13/30
 ip router isis 1
 ipv6 router isis 1
 isis network point-to-point
exit
!
interface lo
 ip address 192.0.2.4/32
 ip router isis 1
 ipv6 address 2001:db8:4444::/128
 ipv6 router isis 1
exit
!
router isis 1
 is-type level-2-only
 net 49.0001.4444.4444.4444.00
end
wr