ISIS/4/L1_REDIST_THRESHOLD_REACH:OID [oid] The number of level-1 imported routes has reached the upper threshold value.(sysInstance=[integer], sysProtocol=[integer], sysMTIndex=[integer], sysMaxLimit=[integer], sysUpperThresholdValue=[integer], sysLowerThresholdValue=[integer], sysTotalRedist=[integer])
ISIS Level-1发布的引入路由已达到告警阈值上限。