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Re: Slow web browsing?



Hi Joey,

Joey Hess wrote:
> Andrew Sackville-West wrote:
>>> But if I start my VM and load XP debian.org comes down in about 2
>>> seconds still.
>> so xp in a vm on your debian box can download faster than the debian
>> that's wrapped around it? That's just crazy. not a clue, sorry.
> 
> Hmm, if you put it like that, it must be a problem at a network layer
> that the VM with windows implements on its own. Like TCP. 
> 
> Wild guess, but perhaps this will fix it:
> 
> echo 0 > /proc/sys/net/ipv4/tcp_window_scaling

Fixed! Thank you Joey! After talking to some other Linux users here, I
was pointed to this article: http://lwn.net/Articles/92727/#Comments,
"TCP window scaling and broken routers"

You can fine-tune the fix for individual destination IPs, this method is
detailed at the bottom of the above page.

-- 
Greg Vickers
IT Security Engineer & Project Manager
IT Security, Network Services,
Information Technology Services
Queensland University of Technology
L12, 126 Margaret St, Brisbane

Phone: +61 7 3138 9536
Mobile: 0410 434 734
Fax: +61 7 3138 2921
Email: g.vickers@qut.edu.au
IT Security web site: http://www.its.qut.edu.au/itsecurity/

CRICOS No. 00213J



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