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How to attract traffic to one wan router over another OSPF Q

Last Modified: 2017-11-04
Imagine a remote site - call it Dallas - with two WAN routers. Router WAN1 connects to the data center in Denver over a 1Gbps circuit and router WAN2 connects to the data center over another 1Gbps circuit. All the routers are participating in OSPF.


The Dallas site has network and currently that gets advertised such that traffic to Dallas goes equally over WAN2 and WAN1. I would like a specific subnet say to prefer ckt2 unless ckt2 goes down then it would use ckt1. What would I do in OSPF to color the route for so that the data center prefers sending via ckt2?

Thank you.
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