Checking MTU from a remote client without having to talk to anyone

Posted by robd on January 02, 2020
Networking

We suspected we had some MTU issues at one of our remote sites and as a 3rd line engineer I don’t often have to talk with users and after a while you get in the habit of not talking to users which leads to never wanting to talk to users. – Note you’ll need admin access to the users machine.

So here’s a little guide to run tests from users computers without having to call and talk to them.

First download and put it somewhere you can cmd too on your machine.

https://docs.microsoft.com/en-us/sysinternals/downloads/psexec

Optional – Then download this if you for example want to test MTU.

https://elifulkerson.com/projects/mturoute.php

Next copy the MTUroute software to the user’s computer.

Next from your computer run the below command which will remotely execute mturoute.exe to test the MTU to 192.168.1.5 on UsersComputer:

PsExec.exe \\UsersComputer C:\temp\mturoute.exe 192.168.1.5

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