Re: TCP connection failure in 2.3.x
Andi Kleen (ak@muc.de)
10 Jul 1999 14:26:53 +0200
graham@barnowl.demon.co.uk (Graham Murray) writes:
>
> The sequence of events which consistently shows this problem is to
> bring up the ppp link using diald by initiating five parallel calls to
> nntpget to download news. The ISP attempts to initiate SMTP
> connections from 2 mailers about 30s after the link is established. By
> this time, the link is busy passing data from the nntp servers. The
> tcpdump output shows that the initial SYN packets are ACKd very
> quickly, then after about 500ms, the SYN ACK is resent multiple times
> in very quick sucession. About 4.5s later the ISP sends an ACK in
> response to my SYN ACK packets (thus completing the 3-way handshake),
> but instead of continuing the connection, my system Resets it.
This was introduced by a bug "fix" in late 2.2, and should be already fixed
again in 2.2.10/2.3.10. Could you check if it goes away when you upgrade?
-Andi
--
This is like TV. I don't like TV.
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