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DMVPN and OSPF backup tunnel routing

marc-berger
Level 1
Level 1

I am in the beginning phase where a customer wants to change their routing protocol from EIGRP to OSPF on their network. I noticed that they have a DMVPN setup with about 25 sites each with a single tunnel interface going back to their respective wan block (HUB) and the other to their DR site (backup HUB).

They control the backup connection to their DR by using/manipulating the EIGRP AD so that connection is not preferred. ie. so EGRIP doesn't ECMP across all tunnel connections (to their wan and DR site). I have not been able to find a way to alter the ospf metrics to accomplish this same behavior. Is there a way to do this with OSPF?

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