Add export route limit monitoring

check_bgp

@@ -120,6 +120,10 @@ case ${STATE} in
 			printf "CRITICAL: ${SESSION} has hit import route "
 			printf "limit\n"
 			exit 2
+		elif [ "${ROUTE_HIT_OUT}" != "" ]; then
+			printf "CRITICAL: ${SESSION} has hit export route "
+			printf "limit\n"
+			exit 2
 		else
 			printf "WARNING: ${SESSION} import route limit is "
 			printf "over thresold\n"