router_b#sh ip bgp
BGP table version is 3, local router ID is 172.16.1.1
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal
Origin codes: i - IGP, e - EGP, ? - incomplete

   Network          Next Hop            Metric LocPrf Weight Path
* i0.0.0.0          10.0.0.2                      200      0 100 i
*>                  10.0.0.4                      110      0 100 i
* i221.10.1.0       11.1.1.1                 0    100      0 i
*>                  0.0.0.0                  0         32768 i
router_b#sh ip bgp 0.0.0.0
BGP routing table entry for 0.0.0.0/0, version 2
Paths: (2 available, best #2, table Default-IP-Routing-Table)
  Advertised to non peer-group peers:
  11.1.1.1
  100
    10.0.0.2 from 11.1.1.1 (210.210.210.1)
      Origin IGP, localpref 200, valid, internal, not synchronized
  100
    10.0.0.4 from 10.0.0.4 (192.168.1.2)
      Origin IGP, localpref 110, valid, external, best




router_b#


router_b#sh run
Building configuration...

Current configuration : 1658 bytes
!
version 12.2
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname router_b
!
enable password cisco
!
ip subnet-zero
!
!
no ip domain-lookup
!
call rsvp-sync
!
!
!
!
!
!
!
!
interface Loopback0
 ip address 172.16.1.1 255.255.255.0
!
interface Serial0/0
 ip address 10.0.0.3 255.255.255.0
 serial restart-delay 0
!
interface Serial0/1
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial0/2
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial0/3
 no ip address
 shutdown
 serial restart-delay 0
!
interface Ethernet1/0
 ip address 11.1.1.2 255.255.255.0
 half-duplex
!
interface Ethernet1/1
 no ip address
 shutdown
 half-duplex
!
interface Ethernet1/2
 no ip address
 shutdown
 half-duplex
!
interface Ethernet1/3
 no ip address
 shutdown
 half-duplex
!
router bgp 200
 bgp log-neighbor-changes
 network 221.10.1.0
 neighbor 10.0.0.4 remote-as 100
 neighbor 10.0.0.4 prefix-list default in
 neighbor 10.0.0.4 prefix-list agg out
 neighbor 10.0.0.4 route-map router-d-in in
 neighbor 10.0.0.4 route-map router-d-out out
 neighbor 11.1.1.1 remote-as 200
!
ip classless
ip route 221.10.1.0 255.255.255.0 Null0
ip http server
!
!
ip prefix-list agg seq 5 permit 221.10.1.0/24
!
ip prefix-list default seq 5 permit 0.0.0.0/0
route-map router-d-out permit 10
 match ip address prefix-list agg
 set metric 38
 set metric-type internal
!
route-map router-d-out permit 20
!
route-map router-d-in permit 10
 match ip address prefix-list default
 set local-preference 110
!
!
!
dial-peer cor custom
!
!
!
!
line con 0
line aux 0
line vty 0 4
 password cisco
 login
!
end

router_b#