RP/0/0/CPU0:XR3#show ospf database external 10.0.40.4
Mon May  8 19:15:04.320 UTC


            OSPF Router with ID (10.0.0.253) (Process ID CORE)

                Type-5 AS External Link States

  LS age: 3
  Options: (No TOS-capability, DC)
  LS Type: AS External Link
  Link State ID: 10.0.40.4 (External Network Number)
  Advertising Router: 10.0.0.253
  LS Seq Number: 80000004
  Checksum: 0x2f30
  Length: 36
  Network Mask: /32
        Metric Type: 2 (Larger than any link state path)
        TOS: 0
        Metric: 20
        Forward Address: 0.0.0.0
        External Route Tag: 0

RP/0/0/CPU0:XR3#
RP/0/0/CPU0:XR3#
RP/0/0/CPU0:XR3#
RP/0/0/CPU0:XR3#show run
Mon May  8 19:37:54.516 UTC
Building configuration...
!! IOS XR Configuration 6.1.2
!! Last configuration change at Mon May  8 19:15:00 2017 by cisco
!
hostname XR3
logging console debugging
logging buffered 9999999
logging buffered debugging
service timestamps log datetime msec
service timestamps debug datetime msec
line console
 exec-timeout 0 0
 transport preferred none
!
interface Loopback0
 ipv4 address 10.0.0.253 255.255.255.255
!
interface GigabitEthernet0/0/0/0
 carrier-delay up 0 down 0
 load-interval 30
!
interface GigabitEthernet0/0/0/0.23
 ipv4 address 10.0.0.3 255.255.255.254
 encapsulation dot1q 23
 logging events link-status
!
interface GigabitEthernet0/0/0/0.34
 ipv4 address 10.0.0.4 255.255.255.254
 encapsulation dot1q 34
 logging events link-status
!
prefix-set PS_IPV4_10.0.10.0_24
  10.0.10.0/24 le 32
end-set
!
prefix-set PS_IPV4_10.0.20.0_24
  10.0.20.0/24 le 32
end-set
!
route-policy RP_BGP_TO_OSPF($SET1)
  if destination in $SET1 then
    set metric-type type-1
    set ospf-metric 100
  elseif destination in (10.0.0.0/16 le 32) then
    pass
  endif
end-policy
!
route-policy RP_ISIS_TO_OSPF
  if destination in PS_IPV4_10.0.20.0_24 then
    set tag 1234
  elseif destination in (10.0.30.0/24 le 32) then
    drop
  elseif destination in (10.0.0.0/16 le 32) then
    pass
  endif
end-policy
!
router isis TEST
 is-type level-2-only
 net 49.0001.0100.0000.0253.00
 log adjacency changes
 address-family ipv4 unicast
  advertise passive-only
 !
 interface GigabitEthernet0/0/0/0.34
  point-to-point
  address-family ipv4 unicast
  !
 !
!
router ospf CORE
 router-id 10.0.0.253
 redistribute bgp 65000 route-policy RP_BGP_TO_OSPF(PS_IPV4_10.0.10.0_24)
 redistribute isis TEST route-policy RP_ISIS_TO_OSPF
 area 0.0.0.0
  interface Loopback0
  !
  interface GigabitEthernet0/0/0/0.23
   network point-to-point
  !
  interface GigabitEthernet0/0/0/0.34
   network point-to-point
  !
 !
!
router bgp 65000
 bgp router-id 10.0.0.253
 bgp redistribute-internal
 bgp log neighbor changes detail
 address-family ipv4 unicast
 !
 neighbor 10.0.0.254
  remote-as 65000
  update-source Loopback0
  address-family ipv4 unicast
  !
 !
!
end