using isdn as ddr and back up

[pbessell]

Hello All

Can anyone advise me.

I need to re engineer a bridged network. There are 2 sets of 2500 routers with 64k lines between them. Bridge group and circuit group is configured for parrallel working. Also a back up isdn is installed.

As the links are maxed out on a rerular basis I need to configure the isdn to give bandwidth as a overflow to the serials, as well as back up.

Any ideas.

Thanks

[r-godden]

Are you running any routing as well as bridging , or is it just bridging everthing?

[pbessell]

It is only bridging ! (unfortunately )