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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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PPPoE/4/LINK_STATE:The line protocol [line-protocol] on the interface [interface-name] has entered the [state] state.


The online and offline status of a PPPoE user changed.


Parameter Name Parameter Meaning
[line-protocol] Link layer protocol name.
[interface-name] Interface name.
[state] Link layer protocol status:

1. UP: indicates that the link layer protocol status of the interface is Up.

2. DOWN: indicates that the link layer protocol status of the interface is Down.

Possible Causes

The status of a PPPoE user changed.


  1. This log message is informational only, and no action is required. You can run the pppoe-server log enable command to enable logging for status change of PPPoE users.
Updated: 2019-05-29

Document ID: EDOC1000097294

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