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Log Reference

CloudEngine 8800, 7800, 6800, and 5800 V200R005C00

This document provides the explanations, causes, and recommended actions of logs on the product.

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TCP/4/SOCKET_TCP6_MD5_AUTHEN_FAIL: TCP6 MD5 authentication failed. (tcpConnLocalAddress=[tcpConnLocalAddress], tcpConnLocalPort=[tcpConnLocalPort], tcpConnRemAddress=[tcpConnRemAddress], tcpConnRemPort=[tcpConnRemPort], hwTCPProtocol=[hwTCPProtocol], hwTCPVrfName=[hwTCPVrfName])


MD5 authentication for the TCP6 connection failed.


Parameter Name Parameter Meaning


IP address of the local end of a TCP6 connection


Port number of the local end of the TCP6 connection


Destination IP address of the TCP6 connection


Port number of the peer end of the TCP6 connection


Name of an upper layer application protocol


Name of virtual routing and forwarding (VRF)

Possible Causes

Cause 1: The MD5 passwords configured for the local and peer TCP6 ports did not match each other.

Cause 2: An MD5 password was configured only for one TCP6 port.


  1. Run the display current-configuration command on both ends to view whether the MD5 passwords are configured for the TCP6 connection.

    • If an MD5 password is configured only for one TCP6 port, configure the same MD5 password for the end that does not have one.If MD5 authentication fails, go to Step 3.

    • If the MD5 passwords configured for the TCP6 ports are different, go to Step 2.

  2. Reconfigure the MD5 passwords to the same value.
  3. Collect log information and configuration information, and then contact technical support personnel.
  4. End.
Updated: 2019-04-20

Document ID: EDOC1100039602

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