! Listing 8.11: Service bureau router configuration for dial backup support ! !Copyright (C) 2001 by Vincent C Jones. All Rights Reserved. version 10.3 ! hostname ServiceProvider ! username HQrouter2 password sharedsecret isdn switch-type basic-5ess ip subnet-zero ! interface Loopback1 description Target for Retail Client Routing ip address 192.168.0.8 255.255.255.255 ! interface Ethernet0/0 description Service Distribution LAN ip address 172.18.0.1 255.255.0.0 ! interface Serial2/7 no ip address encapsulation frame-relay ! interface Serial2/7.1 point-to-point description Primary Link to client: Example Retail ip address 192.168.0.2 255.255.255.252 ip access-group 101 in frame-relay interface-dlci 271 broadcast ! interface BRI3/0 description Dial Backup Link to client: Example Retail ip address 192.168.0.6 255.255.255.252 ip access-group 101 in encapsulation ppp dialer map ip 192.168.0.5 name HQrouter2 broadcast dialer hold-queue 10 dialer-group 1 isdn caller 2125551212 ppp authentication chap ! router eigrp 321 passive-interface BRI3/0 network 192.168.0.0 distribute-list 1 out Serial2/7.1 distribute-list 1 in Serial2/7.1 ! router rip network 172.18.0.0 redistribute static ! ip route 10.0.0.0 255.0.0.0 192.168.0.10 190 ip route 10.0.0.0 255.0.0.0 192.168.0.5 200 ! access-list 1 permit 192.168.0.0 0.0.0.7 access-list 1 permit 192.168.0.8 0.0.0.3 ! access-list 101 permit ip 10.0.0.0 0.255.255.255 172.17.0.0 0.0.255.255 access-list 101 permit eigrp 192.168.0.0 0.0.0.255 any ! dialer-list 1 protocol ip permit ! end