Network Management

Interface Down Events when end device disconnects

If you are receiving many "Interface Down" Events when monitoring your access ports in UDT and NPM, monitor your access ports/interfaces only in the User Device Tracker. Do not monitor them in the Network Performance Monitor.

First published date

10/15/2018 10:56 PM

Last published date

10/15/2018 10:56 PM

Overview

Receiving many "Interface Down" Events due to devices being disconnected from access ports/interfaces.

Product section

User Device Tracker

Cause

This is due to monitoring all the access ports in NPM and UDT. When an end device is disconnected from the port/interface, the port/interface goes down. If the port/interface is monitored by NPM, an "Interface Down" event will be triggered.

Resolution

Do not monitor access ports/interfaces in NPM. Only monitor them in UDT.

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