Tuesday, June 22, 2021

GRE tunnel over IPSEC

Hi everyone, I am a bit fresh for networking and still junior. I was wondering if anyone would be available to give me some tips/advice regarding building a GRE tunnel over IPSEC tunnel I have. GRE tunnel is built with a cisco router to another cisco router on the other end of the tunnel and the IPSEC tunnel is built from a pfsense to a cisco ASA.
In the pfsense I have a phase 2 portion under my phase 1 IPSEC tunnel that has the LOCAL interface as a loopback interface on my cisco router. The remote is another cisco loopback interface on the other side of the tunnel. I cant get my phase 2 portion to come up for some reason. This is to share eigrp packets between routers for dynamic route sharing.



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