Micth_STN

Hi I have a request to create a Site 2 Site VPN between Watchguards wher there is an overlapping IP range We needs 1 device to access all the devices on the other side of the tunnel using masquerading NAT SITE 1 Range 192.168.1.0/24 Device to access VPN 192.168.1.36 Masquerading as 10.250.1.1 Site 2 Range 192.168.1.0/24 Masquerade 10.250.10.0/24 Any advice of setting this up as cant seem to get to work at the moment?