From: Herbert Xu <herbert@gondor.apana.org.au>
To: Florian Zumbiehl <florz@gmx.de>
Cc: netdev@vger.kernel.org
Subject: Re: TCP not retransmitting supposedly lost segment
Date: Sun, 23 Apr 2006 22:27:18 +1000 [thread overview]
Message-ID: <20060423122718.GA16504@gondor.apana.org.au> (raw)
In-Reply-To: <20060410010005.GA9282@florz.florz.dyndns.org>
On Mon, Apr 10, 2006 at 01:00:05AM +0000, Florian Zumbiehl wrote:
>
> meanwhile I gathered some information from /proc/net/tcp6 on this
> problem - in case anyone is interested :-)
>
> | 1144560959: 8: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx:1223 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx:1A0B 01 00000000:00000000 02:00097F82 00000000 1000 0 3188619 8 c1409260 89 10 20 2 2
> | 1144560969: 8: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx:1223 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx:1A0B 01 00000016:00000000 01:00000074 00000004 1000 0 3188619 9 c1409260 1424 10 18 1 2
> | 1144560980: 8: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx:1223 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx:1A0B 01 00000016:00000000 01:000000FA 00000005 1000 0 3188619 9 c1409260 2848 10 18 1 2
> | 1144560990: 8: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx:1223 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx:1A0B 01 00000016:00000000 01:000005F2 00000006 1000 0 3188619 9 c1409260 5696 10 18 1 2
This tells us that the kernel was indeed retransmitting but the
packet didn't make it out of the interface according to your
tcpdump.
Do you have any firewall rules? Any tc rules?
Cheers,
--
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
next parent reply other threads:[~2006-04-23 12:27 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20060406171926.GA8142@florz.florz.dyndns.org>
[not found] ` <20060410010005.GA9282@florz.florz.dyndns.org>
2006-04-23 12:27 ` Herbert Xu [this message]
2006-04-23 23:56 ` TCP not retransmitting supposedly lost segment Florian Zumbiehl
2006-04-25 2:42 ` Herbert Xu
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