! Listing 4.3: Called router using backup interface commands ! !Copyright (C) 2001 by Vincent C Jones. All Rights Reserved. version 11.0 ! hostname Chicago ! username NewYork password Secret1 ip subnet-zero isdn switch-type basic-ni1 ! interface Ethernet0 ip address 10.200.0.1 255.255.0.0 ! interface Serial0 ip address 10.0.0.2 255.255.255.252 ! interface BRI0 ip address 10.0.0.6 255.255.255.252 encapsulation ppp isdn spid1 31255512120101 isdn spid2 31255512340101 dialer map ip 10.0.0.5 name NewYork speed 56 broadcast dialer-group 1 ppp authentication chap ! router ospf 1 network 10.0.0.0 0.0.0.7 area 10 network 10.200.0.0 0.0.255.255 area 10 ! ip classless ! dialer-list 1 protocol ip permit ! end