Hi
I have configured a GRE tunnel between two Sophos Firewalls and it works fine and I am able to ping both GRE tunnel IPs from other side. I am trying to add GRE tunnel IP address of other side as SD-WAN Gateway so I could route traffic by SDWAN rules instead of GRE routes. But as soon as I add gateway in one side, GRE tunnel disconnects.
I have done the same configuration on SFOS 18.5.2 in the past and I'm sure it definitely works.
Regards
Farshid
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