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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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MAD/4/MEMBER_LOST:A member of the device is lost.


Detecting the CSS neighbor failed and the CSS split.


Parameter Name Parameter Meaning
None None

Possible Causes

  1. The CSS link was faulty.
  2. The CSS was faulty.


  1. Run the display css port command to view the CSS port status.
    • If the CSS port status is up, go to step 3.
    • If the CSS port status is down, go to step 2.
  2. Check the reason why the CSS port went physically Down. For details, see "An Ethernet Interface Is Physically Down" in the S9300, S9300E, and S9300X V200R010C00 Troubleshooting - Interface Faults.
  3. The CSS port of this device became faulty or a software error occurred on the device. You need to collect log information and configuration information, and then 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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