PPP Over ISDN

More of a typical use for PPP - ISDN.

R1

1) Define User accounts:

username R1 password 0 CCNP
username R2 password 0 CCNP


2) Set ISDN Switch type:

isdn switch-type basic-ni


3) Define Pool Member on BRI (The Number here links it to the Dialer)

interface BRI0/0
no ip address
dialer pool-member 1


4) Configure the Dialer

interface Dialer0
ip address 192.168.12.1 255.255.255.0
encapsulation ppp
! Links with "dialer pool-member 1"
dialer pool 1
!Optional
dialer idle-timeout 30
! Here is the Telephone number of the remote router
dialer string 21
! Links to Dialer-list
dialer-group 1
!Stops line being activated needlessly
no peer neighbor-route
! CHAP password
ppp chap password 0 CCNP


5) Define Interesting Traffic (dialer-list) - This is the traffic that when detected will trigger a dial

dialer-list 1 protocol ip permit



R2

1) Define User accounts:

username R1 password 0 CCNP
username R2 password 0 CCNP


2) Set ISDN Switch type:

isdn switch-type basic-ni


3) Define Pool Member on BRI (The Number here links it to the Dialer)

interface BRI0/0
no ip address
dialer pool-member 1


4) Configure the Dialer

interface Dialer0
ip address 192.168.12.2 255.255.255.0
encapsulation ppp
! Links with "dialer pool-member 1"
dialer pool 1
!Optional
dialer idle-timeout 30
! Here is the Telephone number of the remote router
dialer string 11
! Links to Dialer-list
dialer-group 1
!Stops line being activated needlessly
no peer neighbor-route
! CHAP password
ppp chap password 0 CCNP


5) Define Interesting Traffic (dialer-list) - This is the traffic that when detected will trigger a dial

dialer-list 1 protocol ip permit