Add optional route to pptp server.

src/initscripts/init.d/networking/red

@@ -363,6 +363,10 @@ case "${1}" in
 					fi
 				fi
 				ip link set ${PPP_NIC} up
+				if [ -n "${PPTP_ROUTE}" ]; then
+					boot_mesg "Set route ${PPTP_ROUTE} to pptp server..."
+					route add ${PPTP_ROUTE}
+				fi
 			else
 				boot_mesg "Bringing up the PPP via ${TYPE} on ${COMPORT}..."
 			fi
@@ -551,6 +555,10 @@ case "${1}" in
 			fi
 		fi
 
+		if [ -n "${PPTP_ROUTE}" ]; then
+			route del ${PPTP_ROUTE}
+		fi
+
 		if [ "$DEVICE" != "${GREEN_DEV}" ] && [ "$DEVICE" != "" ]; then
 			link_status=`ip link show $DEVICE.${INET_VLAN} 2> /dev/null`
 			if [ -n "${link_status}" ]; then