@Clive_A Well... You don't need my network diagram... If I want to have my NVR to connect to Internet (or, in that matter, to be accessible throught VPN) I just have to enable DHCP... If I set a...

@scott1981 I'm also experiencing same issue... ...but I've found out that if I leave IP settings to Auto (DHCP) seems like it works fine... only when I set a static/manual IP address I can't reach...