Routering with one backup communication line

[williamsproblem]

See the screen attachements for details:

3 sites (locations) with each 2 Cisco routers, between 3 communication lines.

problem = howto configure te site when there is one communication line failing. The communication must go via the other communication line.

Rgrds

William.

[Gilles Dufour]

you're on the wrong forum.

There is an network architecture/design forum.

This one is dedicated to content devices like CSS,CSM,ACE,... but not routers.

Gilles.

[williamsproblem]

Ow im sorry, thanks