Failover router ?

Hi all,

This may be OT but I am open to the idea of building a custom linux
router if need be ... We have an application that during 8am-5pm it
cannot fail. We want to use redundancy (not a cluster) should the main
machine fail, and on failure route everything to a backup perhaps on
another subnet. The big question is would we manually have to change
the routing rules? Or can a router detect the failure and re-route
automagically? I'm googling alot for routers and what I see is for
detecting internet failure, not so much just one machine on a subnet
failure.

Any ideas?
Robert

.

Relevant Pages

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