ISDN BRI-BRI with DDR
1.Configure interesting traffic, dialer-list and authentication for remote router on HQ configure command as below isdn switch-type basic-ni username branch password cisco //specify username and password for remote router dialer-list 1 protocol ip permit //permit all ip traffic for dialer group number 1 issue the same command for Branch router username HQ password cisco dialer-list 1 protocol ip permit isdn switch-type basic-ni 2.Configuring the BRI interface to dial on demand HQ interface Bri0 ip address 100.11.1.1 255.255.255.0 no ip directed-broadcast dialer-group 1 //dialer list 1 was defined above isdn spid1 32177820010100 dialer map ip 100.11.1.2 name branch broadcast 7782001 //number to call when match the ip address encapsulation ppp ppp authentication chap Branch interface Bri0 ip address 100.11.1.2 255.255.255.0 no ip directed-broadcast dialer-group 1 isdn spid1 32177820020100 ...