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Re: Strange Problem accessing Web Sites



On Wed, Feb 27, 2002 at 05:13:20PM -0800, Andrew Agno wrote:
> I would guess that ECN might be turned on:
> % cat /proc/sys/net/ipv4/tcp_ecn
> To turn it off, use:
> % echo "1" > /proc/sys/net/ipv4/tcp_ecn
> 
> For info on ECN:
> http://www.icir.org/floyd/ecn.html
> and of course, Google.

[ that's a "0" of course to turn it off :) ]

Alternate interface, for kicks:

  # sysctl net.ipv4.tcp_ecn

tells you the current value, 0 or 1.

  # sysctl -w net.ipv4.tcp_ecn=0

set TCP ECN to 0.

To disable TCP ECN on every boot, edit /etc/sysctl.conf and add the
line:

  net.ipv4.tcp_ecn = 0

Best regards,

-- 
Nathan Norman - Staff Engineer | A good plan today is better
Micromuse Ltd.                 | than a perfect plan tomorrow.
mailto:nnorman@micromuse.com   |   -- Patton

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