Adding second frame relay circuit on WAN

[don.cook]

I am moving to a different Frame relay circuit provider, and I would like to have both circuits up and running concurrently, yet only move over to the new circuit when the old circuit is removed, kind of like a failover.

The host router is a 3640 and the remote routers (there are six) are 1720's. I have available T1/DSU WICs ready on all equipment.

How can I configure without losing my connection and make a smooth cutover?

Thanks for any and all help.

[rsissons]

You could set up static routes. The main one via your current provider and a floating static one, ie one with a high administrative distance, via the new provider. This one would then only be used if the primary one becomes unavailable.

[ndarnell]

Depends on your routing protocol, I've just moved a couple of PVC's.

We are running EIGRP on our network.

We had the new circuits installed and connected alongside the old once EIGRP had picked up the new circuits ( A few seconds) shutdown the old interface and all worked.

[don.cook]

We are running EIGRP. How exactly did you configure your new circuits on the routers? I am leaning towards setting static routes and have the new circuit set to a higher metric, but I would really like to hear how you did it.

Thanks!