I am looking for a way to set up redundency between two routers
In the digram below, the part in the blue box is out side of my control. These are the two routers that give me access to the out side world, and I can't swap routing information with them.
the two 3650 switchs (Actuly 4506's) run HRSP between them to give me redundency of my defaultgate way IP and act as the main routers for internal routing.
now I currently have routes set up on both the 4506's of
0.0.0.0 0.0.0.0 10.0.0.1 10
0.0.0.0 0.0.0.0 10.0.0.5 20
this seems to wark and means that if the primary router is turned of or the link to it goes down, then the back up router kicks in to life.
however if the primary router loses connection higher up (on its wan side) my 4506's will continue sending packets to that router. Is there any way for me to monitor the "health" of the routers, so the defualt route will automaticaly fail over if nessery.
I hope that explains what I need but if not I can give you more info.
Due to working in side the GSI network I have some restrictions in what I can and can't do. Idealy I dont want to have to make any configeration changes on the WAN routers (doing this could take months of discussions and be high in cost)