2.6-test10 and ECN

James Ralston qralston+ml.redhat-fedora at andrew.cmu.edu
Fri Dec 5 00:21:49 UTC 2003

On 2003-12-04 at 10:22:40-0800 Kit Knox <kit at rootshell.com> wrote:
> I know that in the past a timeout ECN failover has been considered,
> but the performance hit would be too large.  Are there any thoughts
> about a rule based system for making ECN exceptions on outgoing
> connections?

/sbin/iptables -t mangle -A POSTROUTING -p tcp -d example.com -j ECN --ecn-tcp-remove

I forget the exact version of iptables in which the ECN target first
appears, but it's supported on RHL9 and RHEL3 as well.  (RHL80 doesn't
have it.)

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