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问题描述：

L5000 双链路，链路1链路探测失败 日志分析，接口没down,几秒钟自动恢复，设备自身有问题吗

设备日志如下：

L5000 BFD/5/BFD_CHANGE_FSM: Sess*****, LD/RD:130/130, Interface:Reth1, SessType:Echo, LinkType:INET], Ver:1, Sta: UP->DOWN, Diag: 2 (Echo Function Failed)

L5000 BFD/5/BFD_CHANGE_FSM: Sess[**********, LD/RD:130/130, Interface:Reth1, SessType:Echo, LinkType:INET], Ver:1, Sta: DOWN->INIT, Diag: 0 (No Diagnostic)

 L5000 BFD/5/BFD_CHANGE_FSM: Sess[**************, LD/RD:130/130, Interface:Reth1, SessType:Echo, LinkType:INET], Ver:1, Sta: INIT->DOWN, Diag: 1 (Control Detection Time Expired)

 L5000 BFD/5/BFD_CHANGE_FSM: Sess[*************, LD/RD:130/130, Interface:Reth1, SessType:Echo, LinkType:INET], Ver:1, Sta: DOWN->INIT, Diag: 0 (No Diagnostic)

L5000 BFD/5/BFD_CHANGE_FSM: Sess[***********, LD/RD:130/130, Interface:Reth1, SessType:Echo, LinkType:INET], Ver:1, Sta: INIT->UP, Diag: 0 (No Diagnostic)

L5000 BFD/5/BFD_CHANGE_FSM: Sess[************, LD/RD:130/130, Interface:Reth1, SessType:Echo, LinkType:INET], Ver:1, Sta: UP->DOWN, Diag: 2 (Echo Function Failed)

L5000 NQA/6/NQA_ENTRY_PROBE_RESULT: Reaction entry 1 of NQA entry admin-name admin operation-tag test: probe-fail.

L5000 BFD/5/BFD_CHANGE_FSM: Sess[*************************, LD/RD:130/130, Interface:Reth1, SessType:Echo, LinkType:INET], Ver:1, Sta: DOWN->INIT, Diag: 0 (No Diagnostic)

 L5000 BFD/5/BFD_CHANGE_FSM: Sess[*************************, LD/RD:130/130, Interface:Reth1, SessType:Echo, LinkType:INET], Ver:1, Sta: INIT->UP, Diag: 0 (No Diagnostic) L5000 BFD/5/BFD_CHANGE_FSM: Sess[*************************, LD/RD:130/130, Interface:Reth1, SessType:Echo, LinkType:INET], Ver:1, Sta: UP->DOWN, Diag: 2 (Echo Function Failed) 

L5000 BFD/5/BFD_CHANGE_FSM: Sess[*************************, LD/RD:130/130, Interface:Reth1, SessType:Echo, LinkType:INET], Ver:1, Sta: DOWN->INIT, Diag: 0 (No Diagnostic) 

L5000 BFD/5/BFD_CHANGE_FSM: Sess[*************************, LD/RD:130/130, Interface:Reth1, SessType:Echo, LinkType:INET], Ver:1, Sta: INIT->UP, Diag: 0 (No Diagnostic) 

L5000 BFD/5/BFD_CHANGE_FSM: Sess[*************************, LD/RD:130/130, Interface:Reth1, SessType:Echo, LinkType:INET], Ver:1, Sta: UP->DOWN, Diag: 2 (Echo Function Failed) 

L5000 BFD/5/BFD_CHANGE_FSM: Sess[*************************, LD/RD:130/130, Interface:Reth1, SessType:Echo, LinkType:INET], Ver:1, Sta: DOWN->INIT, Diag: 0 (No Diagnostic) 

L5000 BFD/5/BFD_CHANGE_FSM: Sess[*************************, LD/RD:130/130, Interface:Reth1, SessType:Echo, LinkType:INET], Ver:1, Sta: INIT->UP, Diag: 0 (No Diagnostic) 

L5000 NQA/6/NQA_ENTRY_PROBE_RESULT: Reaction entry 1 of NQA entry admin-name admin operation-tag test: probe-pass. 

 L5000 LB/5/LB_CHANGE_LINK_PROBERESULT: The probe state of link lianlu1 template lb1 was changed to Failed. 

 L5000 LB/5/LB_CHANGE_LINK_HCSTATUS: The health state of link lianlu1 was changed to Inactive. Last state was kept for 188933 seconds. L5000 LB/5/LB_CHANGE_LINK_PROBERESULT: The probe state of link lianlu1 template lb1 was changed to Succeeded. 

 L5000 LB/5/LB_CHANGE_LINK_HCSTATUS: The health state of link lianlu1 was changed to Active. Last state was kept for 27 seconds. 

L5000 LB/5/LB_LINK_STATE_ACTIVE: The state of link lianlu1 is active.

组网及组网描述：

7小时前提问

您好，可以升级版本再进行观察

7小时前回答

暂无

链路探测建议使用NQA来探测

7小时前回答

暂无

你正在,L5000 双链路，链路1链路探测失败 日志分析，接口没down,几秒钟自动恢复，设备自身有问题吗