ISIS/2/L2_REDIST_RESTORE_TO_LIMIT:OID [oid] The number
of level-2 imported routes is restored to less than or equal to the
maximum limit.(sysInstance=[integer], sysProtocol=[integer], sysMTIndex=[integer],
sysMaxLimit=[integer], sysTotalRedist=[integer])
ISIS Level-2由发布引入路由超限状态恢复，即引入路由可以全部正常发布。