How to enable the Backup Interface ?

[anwar]

Hi all,

We have 2620 router in our network. This router has one serial and one BRI interfaces. How would i make BRI as a backup interface for my internet access. ? Please help me..

[cetin]

here is a link, http://www.cisco.com/warp/public/793/access_dial/britobribackup.html

[aztecmother]

inter serial interface

backup interface bri0/0

backup delay 30 60

and that's it,