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Log Reference

S9300, S9300E, and S9300X V200R010C00

This document provides the explanations, causes, and recommended actions of logs on the product.
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MCAST/3/IPC:Failed to communicate with LPU (SLOTID=[ULONG]).


The communication through IPC fails.


Parameter Name Parameter Meaning
SLOTID Indicates the ID of slot where an interface board is inserted

Possible Causes

The communication through IPC is overloaded, which causes IPC communication failure.


  1. Run the display device command to check whether the LPU has registered.

    • If so, go to step 3.
    • If not, go to step 2.

  2. If the LPU has not registered, IPC communication fails, which is normal. This log is informational only, and no action is required.
  3. Collect log information about IPC message sending failures of the LPU, and contact technical support personnel. You can collect diagnostic information using the display diagnostic-information command.
Updated: 2019-08-21

Document ID: EDOC1000142069

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