On 30-Oct-2000 gphan@aleia.com wrote:
> Please CC me on any replies, I am not on the list.
>
> 1. Connection timeouts when hitting certain sites with linux2.4
> 2. Using kernels test9 and the pre's to test10, I have this problem
> where some sites will not start a connection with me. Some sites are
> www.amazon.com www.fool.com www.sharkyextreme.com. Other sites like
> yahoo continue to work fine. Tcpdump seems to indicate that I never
> get any packets from from those sites. I am behind a freeBSD NAT box.
> All the other machines behind the box (Windows NT, Windows 2k, linux 2.2)
> do not seem to have these problems. I have also tried to use a Solaris 2.6
> box
> with ipfilter as the NAT. I also have the same problems. When I do
> revert to the standard RedHat kernel it will work again. I would try it in
> front
> of the NAT but this is an office environment that I can't screw around with
> it too much.
Did you configured (make config) kernel to use ECN (explicit congestion
negotiation)?
If so, put somewhere in startup scripts next line:
echo 0 > /proc/sys/net/ipv4/tcp_ecn
and try it again.
Bye, Milan
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