! Listing 8.24: ISP with conditional advertisement of the default route
!
!Copyright (C) 2001 by Vincent C Jones. All Rights Reserved.


version 11.0
!
router bgp 54321
 neighbor 110.0.0.1 remote-as 65000
 neighbor 110.0.0.1 default-originate route-map default-map
 neighbor 110.0.0.1 distribute-list 1 in
 neighbor 110.0.0.1 distribute-list 2 out
!
access-list 1 permit 100.0.0.0 0.0.0.255
access-list 2 permit 0.0.0.0 0.0.0.0
access-list 3 permit 192.41.177.0
access-list 3 permit 198.32.200.0
!
route-map default-map permit 10
 match ip address 3
!
end