# ldp > RouterOS directory reference for /mpls/ldp. ----------- ## mpls/ldp **Conditions:** !smips **Type:** Directory disabled inactive Unique label switching router's ID. Max path vector limit used for loop detection. Works in combination with the `loop-detect` property. Max hop limit used for loop detection. Works in combination with the `loop-detect` property. Defines whether to run LSP loop detection. Will not work correctly if not enabled on all LSRs. Should be used only on non-TTL networks such as ATMs. Whether to distribute explicit-null label bindings. Defines whether to map label for the default route. Specifies LDP session connection origin addresses and also advertises these addresses as transport addresses to LDP neighbors. Name of the VRF table this instance will operate on. Determines supported address families by the instance. Determines which address family connection is preferred. Value is also set in dual-stack element (if used).