Tuesday, August 21, 2018

Multiple IPs in same subnet on interface ISR

I have 2 providers that connect to our organization with IPSec tunnels. Currently we terminate one VPN on an ISR and the other one on an ASA. I'm trying to connect both of them to the ISR. I'm aware that I can create sub-interfaces, that isn't the problem. Problem is that my IPs are in the same subnet. I'm trying to avoid changing both IPs. Both providers are a pain to work with and will take weeks to change.

I can't configure /32 on the network. Is there another way to make this happen?

https://imgur.com/a/AOIYdCa



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