How to configure CDAM UDP backup to multiple endpoints?

Unanswered Question
Mar 19th, 2008

Here's a tough nut.

I'm trying to setup a backup link to allow my central host servers to talk to field devices attached via CDMA radios. Each radio has a static IP, normal comms are via a NATted frame relay connection to the Telco PDSN and traffic is all UDP.

I see a number of documents floating around on configuring a backup link via CDMA, but these all appear to be for a dedicated PPP VPN. IDEALLY I'd like to hang a CDMA serial radio off the AUX or a 16AM port and fail over to it when the frame connection goes out. However, since there are a couple hundred end devices, and the traffic is UDP, I'm at a bit of a loss on how I'd setup. Any suggestions?

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