Network Management

Interface speed and bandwidth in NPM

This article provides information about the Interface bandwidth, and configured interface speed in NPM.

First published date

10/19/2018 8:02 PM

Last published date

8/25/2022 8:56 AM

Overview

In the Interface details view, there are values for Interface bandwidth and Configured Interface speed.

Product section

Network Performance Monitor

Resolution

In the interface details, the Configured Interface Speed is what NPM reads from the device with SNMP during the device discovery, the Interface bandwidth would normally be the same as the Configured Interface speed but the Interface Bandwidth can be manually configured by going to the Edit Interface page.

Node > Interface > Edit interface

This is useful if you have a device with as an example a Gigabit interface connected to a 2MB line, you can set the Interface Bandwidth to 2MB which would then adjust the chart displays for the device.

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