interface Loopback0
 ipv4 address 10.255.255.27/32

interface Gig0/0/0/2
 ipv4 address 10.7.27.27/24
 no shutdown

interface Gig0/0/0/3
 ipv4 address 10.5.27.27/24
 no shutdown
 exit

router ospf 1000
 log adjacency changes detail
 router-id 10.255.255.27
 mpls ldp auto-config
 prefix-suppression
 auto-cost reference-bandwidth 1000000
 area 0
  interface Loopback0
  passive enable
  exit
 interface GigabitEthernet0/0/0/2
  network point-to-point
  exit
 interface GigabitEthernet0/0/0/3
  network point-to-point
  exit
 exit
exit

mpls ldp
 log
  neighbor
  exit
 router-id 10.255.255.27
 exit
 mpls label range table 0 27000 27999
 commit
 exit