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

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?

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