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Log Reference

AR500, AR510, and AR530 V200R007

This document supports all the logs of device, including the parameters, meaning, possible causes and solution.
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PPP/4/CHAPAUTHFAIL

PPP/4/CHAPAUTHFAIL

Message

PPP/4/CHAPAUTHFAIL:On the interface [interface-name], PPP link was closed because CHAP authentication failed.

Description

The PPP link was closed because the CHAP authentication failed.

Parameters

Parameter Name Parameter Meaning
[interface-name] Indicates the local interface name.

Possible Causes

Cause 1:

The authentication time timed out.

Cause 2:

The number of authentication failures exceeded the maximum.

Cause 3:

The random packet generated according to the peer user name was incorrect.

Cause 4:

The CHAP control block in the PPP control block was null.

Procedure

  1. Solution to cause 1:

    Change the cable or the interface to ensure that the link is of good quality.

  2. Solution to cause 2:

    Use the ppp chap command to reconfigure user names and passwords on both ends and ensure that the user names and passwords on both ends are the same.

  3. Solution to cause 3:

    Use the ppp chap command to reconfigure user names and passwords on both ends and ensure that the user names and passwords on both ends are the same.

  4. Solution to cause 4:

    Collect log information and configuration information, and then contact technical support personnel.

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Updated: 2019-05-29

Document ID: EDOC1000097294

Views: 61817

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