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EIGRP peering over VPN upon WAN failover

gregwoodson
Level 1
Level 1

Attached is the basic diagram of our scenario here.  EIGRP is fully deployed throughout the network.  If the link between corpcoresw01 and XO Router-Dallas goes down, it will bring up a VPN between the 2 firewalls (Cisco 5520's- IPSEC).  Once the VPN comes up- how will corpcoresw01 and dalcoreswp01 share their routes?  Does a GRE tunnel need to be established to bring up the peering relationship?  What is the best practice way to accomplish this?

Thanks
Greg

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Philip D'Ath
VIP Alumni
VIP Alumni