多项选择题
A、pmHoPrepAttLteIntraF B、pmHoExeAttLteIntraF C、pmHoPrepSuccLteIntraF D、pmHoExeSuccLteIntraF
A、pmErabRelAbnormalMmeAct B、pmErabRelAbnormalEnbActUeLost C、跟踪消息“S1 msg Error Indication received” D、跟踪消息“S1 Link Failure”
A、检查无线环境(如外部干扰等) B、检查ERAB成功率下降现象属于突发还是持续,网络有无高负荷或过载现象 C、抓层3的log,检查是否有大量的S1ErrorIndication(来自MME):"ENB、UE-S1AP-ID"and"MME-UE-S1AP-ID"不配对 D、通知MME工程师在问题重现时尝试block/deblock SCTP association