! Listing 8.20: Router External #1 with Frame Relay link to the same ISP using BGP-driven static routing
!
!Copyright (C) 2001 by Vincent C Jones. All Rights Reserved.


version 11.0
!
hostname External_1
!
ip subnet-zero
!
interface Ethernet0/0
 description No Man's Land LAN #1
 ip address 100.0.0.33 255.255.255.240
 ip access-group 193 in
 no ip redirects
 no ip directed-broadcast
 standby 1 priority 110
 standby 1 preempt
 standby 1 authentication External
 standby 1 ip 100.0.0.35
 standby 1 track Serial1/0 30
!
interface Ethernet0/1
 description No Man's Land LAN #2
 ip address 100.0.0.49 255.255.255.240
 ip access-group 193 in
 no ip redirects
 no ip directed-broadcast
 standby 2 priority 90
 standby 2 preempt
 standby 2 authentication External
 standby 2 ip 100.0.0.51
!
interface Serial1/0
 no ip address
 encapsulation frame-relay
!
interface Serial1/0.1
 description Link to the Internet via ISP
 ip address 110.0.0.1 255.255.255.252
 ip access-group 191 in
 ip access-group 192 out
 no ip unreachables
 no ip directed-broadcast
 bandwidth 1544
 frame-relay interface-dlci 123
!
router bgp 65000
 network 100.0.0.0 mask 255.255.255.0
 neighbor 110.0.0.2 remote-as 54321
 neighbor 110.0.0.2 distribute-list 1 in
!
ip classless
ip route 0.0.0.0 0.0.0.0 100.0.0.34 200
ip route 100.0.0.8 255.255.255.252 100.0.0.46
ip route 100.0.0.12 255.255.255.252 100.0.0.62
ip route 100.0.0.16 255.255.255.248 100.0.0.46
ip route 100.0.0.24 255.255.255.248 100.0.0.62
ip route 100.0.0.64 255.255.255.224 100.0.0.46
ip route 100.0.0.96 255.255.255.224 100.0.0.62
ip route 100.0.0.0 255.255.255.0 Null0
ip route 110.0.0.4 255.255.255.252 100.0.0.34
!
access-list 1 permit 0.0.0.0
!
end