Thursday, March 29, 2012

Network Diagnostic Tester (NDT)

I’ve been doing some work on our new ProCurve switches and I ran into a new tool for testing out network speeds called NDT or Network Diagnostic Tester. This open source tool published by the Internet2 folks is a client server program that you can use to test the throughput between machines. It requires Java, but once it’s up it copies a payload across the wire and shows you statistics on the transfer. Here’s a resultant output for your viewing pleasure:

image

As you can see it event guesses the slowest link speed it crosses and and determines it’s duplex.  The easiest way to to set this up is to download the ps-Performance Toolkit which is a Knoppix based network tool kit and run it from an old computer with a fast NIC. :)   There’s a ton of other useful stuff on this bootable iso including:

image

 

Definitely with a download to check out.  Enjoy.

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