I have a remote site with 2 routers and 2 circuits back to my data center. There are only workstations at the remote site; each workstation has multiple applications and has a single default gateway to only 1 WAN router.
I want application a, b, c from each workstation to use the first circuit to my data center and application x, y, z to use the second circuit to my data center. I want to use policy based routing to accomplish this. So, when one of the WAN routers receives IP traffic from a workstation, it will either forward it directly over the WAN circuit up to the data center, or forward it back over the LAN to the second WAN router which will then forward it to the data center over the second WAN circuit.
However, if 1 of my WAN circuits fail, is there any way that the application will failover to the remaining WAN circuit given that I am using policy based routing? If yes, what would the config look like?
Not sure if it's possible, but is there a chance you can set the next hop to be the Wan Interface of the other router, and learn that address via a routing update across the lan . If the link goes down, that address will be flushed from the routing table?
I'm not sure if i understand you correct, but i guess you could solve it if you would implement in combination of policy routing and HSRP. With HSRP you could track the WAN-Link and if thisone fails the HSRP Address will move over to the second router.
So if all ist o.k the router 1 will policy route the packet according you policy routing. If the WAN link fails the HSRP address moves over to router 2 and
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