On Wed, 17 Oct 2007 15:07:55 +0200
J65nko <[EMAIL PROTECTED]> wrote:

> >From the section "Compatibility problems" of
> http://en.wikipedia.org/wiki/TCP_window_scale_option
> "TCP Window Scaling is widely implemented in the Windows Vista
> operating system. Because many routers do not properly implement TCP
> Window Scaling, it can cause a users Internet connection to
> malfunction intermittently for a few minutes, then appear to start
> working again for no reason. If "diagnose problem" is selected in
> Vista, an error message will be displayed "cannot communicate with
> primary DNS server."
> "

Routers shouldn't care about TCP windows so I guess they're actually
referring to the firewalls on NAT-routers.

What I don't get is why a TCP Window problem affects DNS. It's not
mentioned in the Wikipedia article or the referenced tech-recipes.com
link. Surely Vista doesn't routinely do DNS over TCP.

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