[Iccrg] Re: [tsv-area] Testing ECN support for UDP flows

[Mikael Abrahamsson]

On Fri, 21 Aug 2009, Ingemar Johansson S wrote:

> Tried with an MS-Windows version of tracert (ftrace), it was supposed to 
> be able to set the ToS field. However it seems like when I run wireshark 
> that the modified ToS field does not stick, it could be some Windows 
> specific feature that simply clears the ToS field. I will try some 
> traceroute tests on our Linux boxes next week when I really start 
> working. It could be that this will do.

http://technet.microsoft.com/en-us/magazine/2007.02.cableguy.aspx

In some versions of Windows you have to change the registry to be allowed 
to set any TOS bits, perhaps this is what's missing?

-- 
Mikael Abrahamsson    email: swmike at swm.pp.se