I've got three internal subnets that are attached by two different ports on the UTM, one is directly connected (our internal LAN) and the other two are at a remote location that is connected via router and microwave network) I cannot get both networks to communicate with each other. I created a gateway route for 10.0.0.0/8 to gateway 10.220.255.1 and 192.168.0.0/16 to gateway 10.220.255.1. I am able to ping anything on those networks and 10.220.255.1 from the UTM but not from my internal network 10.50.119.0/24. I have a firewall created for any any. My first call to tech support had me create a masquerading NAT rule but that only allows my 10.50.119.0/24 network to reach the C B networks and not vice versa. My second call to tech support wanted me to create a DNAT rule and a policy route. I guess I'm not understanding why NAT would be needed for any of this. Why is this simple routing not working?
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