Hi, do anyone know, if it possible with Sophos UTM (9.709-3) to have mirrored subnet on one firewall for a development environment? Is it possible to have the same gateway ip? Thank you.

I wanted to install a HA device additional to the existing SG230 in one of our subsidiaries. We had networking problems so I did a tcpdump on several interfaces and so internal traffic on outside interface and vice versa. Result is (and this is…