ISIS/4/L1_REDIST_THRESHOLD_REACH_CLEAR:OID [oid] The number of level-1 imported routes has been less than the lower threshold value.(sysInstance=[integer], sysProtocol=[integer], sysMTIndex=[integer], sysMaxLimit=[integer], sysUpperThresholdValue=[integer], sysLowerThresholdValue=[integer], sysTotalRedist=[integer])
ISIS Level-1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。