Friday, November 29, 2019

One site as failover for the other.

I have a building with two completely separate networks, one behind a pfsense fw and one behind a peplink LTE router.

I'd like to use one network to provide back up WAN to the other, and vice versa. Both devices have extra WAN interfaces available. What's the best way to avoid the double NAT situation that results?

Can I instead connect both networks on the LAN side instead? There isn't any IP overlap.



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