From: Patrick McHardy <kaber@trash.net>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>,
Adayadil Thomas <adayadil.thomas@gmail.com>,
netdev@vger.kernel.org
Subject: Re: Connection tracking and vlan
Date: Fri, 30 Oct 2009 17:26:11 +0100 [thread overview]
Message-ID: <4AEB13A3.50402@trash.net> (raw)
In-Reply-To: <4AEB06E6.6020206@gmail.com>
Eric Dumazet wrote:
> Herbert Xu a écrit :
>> Adayadil Thomas <adayadil.thomas@gmail.com> wrote:
>>> If two connections have same 5 tuple, src ip, dst ip, src port, dst
>>> port, protocol(tcp/udp)
>>> but on different vlans (different vlan id), does the conntrack separate these ?
>> Probably not. Patrick, can you confirm this?
Yes, you are right.
> Very strange, this question about vlan looks like discussion we had
> yesterday (or the day before...) about interfaces (versus packet defragmentation)
Indeed, we did have that discussion a couple of years ago. IIRC
Rusty also suggested to add the interface to the defragmentation
key to avoid having fragments from different interfaces being
reassembled since iptables interface matches will only match on
the interface of the first fragment.
next prev parent reply other threads:[~2009-10-30 16:26 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-29 15:43 Connection tracking and vlan Adayadil Thomas
2009-10-30 15:20 ` Herbert Xu
2009-10-30 15:31 ` Eric Dumazet
2009-10-30 15:46 ` Herbert Xu
2009-10-30 16:19 ` Eric Dumazet
2009-10-30 16:27 ` Patrick McHardy
2009-10-30 16:55 ` Herbert Xu
2009-10-30 16:26 ` Patrick McHardy [this message]
2009-10-30 19:20 ` Adayadil Thomas
2009-10-30 19:51 ` Caitlin Bestler
2009-10-30 20:40 ` Adayadil Thomas
2009-10-30 23:15 ` Eric W. Biederman
2009-10-30 23:25 ` Ben Greear
2009-11-02 16:14 ` Adayadil Thomas
2009-11-02 16:30 ` Adayadil Thomas
2009-11-02 16:33 ` Patrick McHardy
2009-11-02 16:41 ` Eric Dumazet
2009-11-02 16:48 ` Patrick McHardy
2009-11-02 17:02 ` Eric W. Biederman
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