! Listing 5.14: Calling router with ISDN backup of two links
!
!Copyright (C) 2001 by Vincent C Jones. All Rights Reserved.


version 11.0
!
hostname LosAngeles
!
username Chicago password secretCLA
username NewYork password secretNYLA
ip subnet-zero
isdn switch-type basic-ni1
!
interface Loopback0
 description Source address for dial backup and BGP peering
 ip address 10.10.0.1 255.255.255.255
!
interface Ethernet0
 description Local user network(s)
 ip address 10.10.10.1 255.255.255.0
!
interface Serial0
 description Primary link to Chicago
 ip address 10.0.0.1 255.255.255.252
 bandwidth 128
 delay 2000
!
interface Serial1
 description Primary link to New York
 ip address 10.0.0.5 255.255.255.252
 bandwidth 128
 delay 2000
!
interface BRI0
 description Dial backup to New York and Chicago
 ip unnumbered Loopback0
 encapsulation ppp
 bandwidth 128
 delay 3000
 no keepalive
 isdn spid1 80055512120101
 isdn spid2 80055512130101
 dialer idle-timeout 170
 dialer map ip 10.111.0.2 name Chicago broadcast 18775551234
 dialer map ip 10.222.0.2 name NewYork broadcast 18775556789
 dialer hold-queue 10
 dialer load-threshold 10 either
 dialer-group 1
 ppp authentication chap
 ppp multilink
!
router eigrp 1
 network 10.0.0.0
 no auto-summary
!
router bgp 99
 network 10.10.0.1 mask 255.255.255.255
 timers bgp 10 120
 neighbor 10.111.0.10 remote-as 99
 neighbor 10.111.0.10 update-source Loopback0
 neighbor 10.222.0.10 remote-as 99
 neighbor 10.222.0.10 update-source Loopback0
!
! Routing for BGP Keepalives to Chicago router
! Use frame relay if available
ip route 10.111.0.10 255.255.255.255 10.111.0.1 150
! Otherwise force up ISDN
ip route 10.111.0.10 255.255.255.255 10.111.0.2 160
! ISDN dial address
ip route 10.111.0.2 255.255.255.255 BRI0
!
! Routing for BGP Keepalives to New York router
! Use frame relay if available
ip route 10.222.0.10 255.255.255.255 10.222.0.1 150
! Otherwise force up ISDN
ip route 10.222.0.10 255.255.255.255 10.222.0.2 160
! ISDN dial address
ip route 10.222.0.2 255.255.255.255 BRI0
!
access-list 102 deny   eigrp any any
access-list 102 permit ip any any
!
dialer-list 1 protocol ip list 102
!
end