Type of route target for the IP-VRF. This route target will be used to import routes to or export routes from the IP-VRF's RIB. - import(1) indicates that the IP-VRF should import all remote routes that carry this route target, but should not add this route target to local routes. - export(2) indicates that the route target should be added to all routes exported from this IP-VRF. - importExport(3) indicates that the route target should be both used to import remote routes and added to exported routes.