ip range: 192.168.178.0/24 ip range: 192.168.178.0/24
Remote devices can't tell whether 192.168.178.10 is local to it or on the other network. You have to use different IP spaces on local and remote. Its best to set the network housing your VPN server to something that won't collide when you're elsewhere, so don't use 192.168.0/.1 or 10.0.0. etc.