network: Create route to gateway

Some hosters have their gateway in a different subnet than
the RED interface is to save IPv4 address space.

This patch sets a host route to that gateway so that
IPFire can be installed in data centres that use such
technique.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

src/initscripts/networking/red

@@ -124,6 +124,9 @@ case "${1}" in
 			echo -n "${DNS2}" > /var/ipfire/red/dns2
 			touch /var/ipfire/red/active
 			
+			# Create route to default gateway
+			ip route add ${GATEWAY} dev ${DEVICE}
+
 			boot_mesg "Setting up default gateway ${GATEWAY}..."
 			ip route add default via ${GATEWAY} dev ${DEVICE}
 			evaluate_retval