Monday, August 31, 2020

Routing between two completely separate but directly connected private networks

I’ve got a request from a partner vendor in a completely separate routing domain to directly route a /24 rfc1918 network on my rfc1918 internal network. The proposed solution has their handoff directly connected to our router using a /30 and static routes with next-hop on my router pointing to the vendor router.

At first glance, this sets off a bunch of bad practice alerts in my head. Realistically, it will work as long as we keep track of the overlapping subnet on the vendors network to make sure we don’t provision the same subnet on our network.

So I was wondering if anybody has scenarios or issues I am overlooking with this setup?



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