! Listing 2.1: Configuring PPP link quality monitoring
!
!Copyright (C) 2001 by Vincent C Jones. All Rights Reserved.


version 11.0
!
interface Serial2/0
 description T1 link we do not trust
 ip address 10.0.0.1 255.255.255.252
 encapsulation ppp
 ppp quality 90 
!
end