Tuesday, April 04, 2006
PPP authentication mismatch. (Question #51)
Consider two routers connected back-to-back via their serial interfaces with the following configuration
Router R1
Router R2
Note in particular that the authentication protocols at either end
do not match. Will the PPP link come up?
Router R1
username R2 password 0 cisco
!
interface Serial2
ip address 10.10.10.1 255.255.255.0
encapsulation ppp
no keepalive
ppp authentication ms-chap-v2
Router R2
username R1 password 0 cisco
!
interface Serial2/0
ip address 10.10.10.2 255.255.255.0
encapsulation ppp
no keepalive
ppp authentication chap
Note in particular that the authentication protocols at either end
do not match. Will the PPP link come up?