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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_TCP_MD5_AUTHEN_FAIL: TCP MD5 authentication failed. (tcpConnLocalAddress=[tcpConnLocalAddress], tcpConnLocalPort=[tcpConnLocalPort], tcpConnRemAddress=[tcpConnRemAddress], tcpConnRemPort=[tcpConnRemPort], hwTCPProtocol=[hwTCPProtocol], hwTCPVrfName=[hwTCPVrfName])


MD5 authentication for the TCP connection failed.


Parameter Name Parameter Meaning


IP address of the local end of a TCP connection


Port number of the local end of the TCP connection


Destination IP address of the TCP connection


Port number of the peer end of the TCP 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 TCP ports did not match each other.

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


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

    • If an MD5 password is configured only for one TCP port, configure the same MD5 password for the end that does not have one. If MD5 authentication still fails, go to Step 3. If MD5 authentication succeeds, go to step 4.

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

  2. Reconfigure the MD5 passwords to the same value. If MD5 authentication still fails, go to Step 3. If MD5 authentication succeeds, go to step 4.
  3. Collect the alarm, log, and configuration information, and contact technical support personnel.
  4. End.
Updated: 2019-04-20

Document ID: EDOC1100039602

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