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Re: Crazy flying netbios packets

  • From: Paul Thornton
  • Date: Thu Sep 03 12:59:55 1998

On Wed, 2 Sep 1998, Pete Ashdown wrote:

> Has anyone done any estimates on how much net-wide traffic is useless
> netbios udp?  Are there any suggestions for cutting large chunks of this
> out of my network without punishing SAMBA and other users who need it?

On the subject of Windows generated useless traffic, I have been woking with
RIPE to look at how many queries to k.root-servers.net are for dud TLDs -
the majority of which are caused by Windows using the DNS to look up the
local NT domain name - requests of the form "FOO."

The results are somewhat scary - it seems that around 20% of all queries
are generated by this behaviour.  I can't give you any more info at present,
as we are still working on the data - it is literally something I am in the
middle of doing at the moment, but wanted to give a quick heads up to folks
in the light of this thread.


Paul

--
Paul Thornton					Office Tel: +44 1733 705000
London Internet Exchange        www.linx.net         Mobile: +44 467 372205





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