Hello, I have a firewall making NAT for my local network, I have eth0 to UPLINK and eth1 for LAN, eth1 have configuration and works fine as Gateway, DNS-server, proxy-server, and dhcp-server.

Chillispot needs take control over eth1 and needs bring up tun0, is possible bring up tun0 with my eth1 configuration, own-firewall rules and services?