Ethernet dropping out constantly, HUB5

Question

Hi, i’m having an issue with ethernet connection dropping out randomly for a few seconds (Hub 5), i have tested different Ethernet cables and also tested on 4 other devices and tried all of the different ethernet ports on the back of the router, all have the same issue with it cutting out for a few seconds then going back online happens 10-15 times per hour, WIFI is completely fine and has no drop outs, we recently had an engineer out who replaced our Hub 5 for a new one but still has the same issue with ethernet dropping out.

This is the only error which pops up on the router logs when the ethernet drop out occurs;

GUI Login Status - Login Success from LAN interface

GUI Login Status - Login Fail from LAN interface

Client62 · Answer

Who is repeatedly logging in to the Hub's admin menu &amp; what they are doing.

Connorparry · Answer

Nobody, that is the error that pops up every time the Ethernet disconnects, nobody else has access to the admin menu other than myself.

Client62 · Answer

They not errors.They are event records showing that someone has successfully logged in three times&nbsp;and has failed to login once.&nbsp; &nbsp;The Hub log will show the dates &amp; times for each entry.

Connorparry · Answer

Thanks for the clarification, i have just had another look into the network log and have found these error/warning messages
[MOD EDIT: IMAGE REMOVED AS MAC ADDRESS WAS DISPLAYED]

Client62 · Answer

These are typical for messages of a DOCSIS connection.

The contents of the Upstream & Downstream status tabs could be more informative,
these are where we can see if the VM signal to the Hub is in spec or showing issues.

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Ethernet dropping out constantly, HUB5

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