Add static route in Smoothwall

Firstly, edit the file /etc/rc.d/rc.netaddress.up

Above the 'echo "setting up firewall ……."', add:

/sbin route add -net destination netmask subnetmask gw gateway devdeviceinterface

Edit /etc/rc.d/rc.firewall.up

After the section on "# Allow packets that we know about through …"

Add:
# Allow packets from green to green
/sbin/iptables -A FORWARD -i $GREEN_DEV -o $GREEN_DEV -j ACCEPT