S10500X L2_COPY_CPU丟包

兩台設備m-lag組網

%Jan 27 17:03:00:355 2025 JYNW-7800-HX-1-201 DRVPLAT/4/SOFTCAR DROP: Chip=0, Cos=78, Drop at Stage=0, StageCnt=19665, TotalCnt=19665, possible protocol L2_COPY_CPU/LSP_PING/MLAG_UNKNOWN_UCAST_TM

%Jan 27 17:03:00:355 2025 JYNW-7800-HX-1-201 DEV/4/BOARD_WARNING_OCCUR: Board warning alarm occurred. (PhysicalIndex=78, PhysicalName=Board, RelativeResource=(chiptype:Switch Chip,chassis:1,slot:1,chipid:0,channel:78), ErrorCode=423038, Reason=Continuous packet loss detected on the queue of protocol messages from the switch chip to the CPU. Queue=78, Stage=0, StageCnt=19665, TotalCnt=19665, Possible protocols=L2_COPY_CPU/LSP_PING/MLAG_UNKNOWN_UCAST_TM)

日誌丟包告警

%Jan 27 17:03:00:355 2025 JYNW-7800-HX-1-201 DRVPLAT/4/SOFTCAR DROP: Chip=0, Cos=78, Drop at Stage=0, StageCnt=19665, TotalCnt=19665, possible protocol L2_COPY_CPU/LSP_PING/MLAG_UNKNOWN_UCAST_TM

%Jan 27 17:03:00:355 2025 JYNW-7800-HX-1-201 DEV/4/BOARD_WARNING_OCCUR: Board warning alarm occurred. (PhysicalIndex=78, PhysicalName=Board, RelativeResource=(chiptype:Switch Chip,chassis:1,slot:1,chipid:0,channel:78), ErrorCode=423038, Reason=Continuous packet loss detected on the queue of protocol messages from the switch chip to the CPU. Queue=78, Stage=0, StageCnt=19665, TotalCnt=19665, Possible protocols=L2_COPY_CPU/LSP_PING/MLAG_UNKNOWN_UCAST_TM)

20   L2_COPY_CPU              78       78      6316658      204          100

有L2_COPY_CPU丟包，L2 COPY CPU的隊列，大部分是用作：mlag組網，其中一台設備收到未知目的mac的報文，在本端未知的情況下，會同步給mlag的另一台設備，以方便對端檢查是否有這個表項並同步。這是為了加快mac的同步，在此之外，mac的mlag間同步是周期的

目的mac未知的報文上送超過了當前門限，觸發了超限速丟包log，屬於正常邏輯且數量不大，不關注即可