From mboxrd@z Thu Jan  1 00:00:00 1970
From: "David S. Miller" <davem@redhat.com>
Subject: Re: fix TCP roundtrip time update code
Date: Tue, 03 Jun 2003 22:52:45 -0700 (PDT)
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   From: David Mosberger <davidm@napali.hpl.hp.com>
   Date: Tue, 3 Jun 2003 22:34:30 -0700
   
   You can't go higher than 1000 conn/sec per client (IP address)
   because otherwise you run out of port space (due to TIME_WAIT).

echo "1" >/proc/sys/net/ipv4/tcp_tw_recycle

It should eliminate this limit.  Unfortunately we can't enable
this by default because of NAT :(