Stress Testing LAN/WAN

Stephens, Josh Josh.Stephens at
Thu Dec 4 23:11:02 UTC 2008

To generate round-trip traffic you have to enable echo services on the
target host and then send to that port.

On a Windows box I think it's called "Simple TCP Services" and then you
send the traffic to TCP Echo.


-----Original Message-----
From: Holmes,David A [mailto:dholmes at] 
Sent: Thursday, December 04, 2008 5:09 PM
To: Stephens, Josh; Nathan Ward; nanog list
Subject: RE: Stress Testing LAN/WAN

I have used Solarwinds Wan Killer, but have yet to discover a method of
initiating round-trip traffic from a single generator, but Solarwinds
can stress a GiGE MAN link using a desktop PC with a GiGE card as the

-----Original Message-----
From: Stephens, Josh [mailto:Josh.Stephens at] 
Sent: Thursday, December 04, 2008 2:53 PM
To: Nathan Ward; nanog list
Subject: RE: Stress Testing LAN/WAN

You can download a copy of the SolarWinds toolset from our website (the
eval is free).

There's a traffic generator in there called "WAN Killer". Give it a try.


-----Original Message-----
From: Nathan Ward [mailto:nanog at] 
Sent: Thursday, December 04, 2008 4:27 PM
To: nanog list
Subject: Re: Stress Testing LAN/WAN

On 5/12/2008, at 11:23 AM, Brian Feeny wrote:

> I have the need to stress test a LAN and WAN.  The primary concern  
> is the WAN which is at most OC-3.  The LAN would be an additional  
> bonus if I could do that as well.
> I am familiar with tools such as those from Spirent and IXIA which  
> are very expensive.  I was wondering if someone has had to do this  
> and can recommend some open source
> tools that would work well.  I need to test a few different types of  
> traffic, specifically trying to push traffic into various switch/ 
> router policies to make sure everything is performing as
> expected.  If anyone knows of some software that works well for this  
> I would appreciate letting me know.


Nathan Ward

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