log stdout
mpls label dynamic-block 6000 6999
interface lo
 ip address 192.0.2.6/32
!
interface r6-eth0
 ip address 172.31.13.6/24
!
interface r6-eth1
 ip address 172.31.5.6/24
 mpls enable
!
interface r6-eth2
 ip address 172.31.6.6/24
 mpls enable
!
interface r6-eth3
 ip address 172.31.22.6/24
!