RTB#show running-config
hostname RTB

ip subnet-zero

interface Loopback1
 ip address 203.250.15.10 255.255.255.252

interface Serial0
 ip address 203.250.15.2 255.255.255.252
!
interface Serial1
 ip address 192.208.10.6 255.255.255.252

router ospf 10
 redistribute bgp 100 metric 1000 subnets
 passive-interface Serial1
 network 203.250.0.0 0.0.255.255 area 0
 network 192.208.10.6 0.0.0.0 area 0
 default-information originate metric 1000
!
router bgp 100
 no synchronization
 network 203.250.15.0
 neighbor 192.208.10.5 remote-as 300
 neighbor 192.208.10.5 route-map localonly in
 neighbor 203.250.13.41 remote-as 100
!
ip classless
ip default-network 192.208.10.0
ip as-path access-list 1 permit ^300$

route-map localonly permit 10
 match as-path 1
set local-preference 300

RTB#
