From: Patrick McHardy <kaber@trash.net>
To: Pierre Ossman <drzeus-list@drzeus.cx>
Cc: Francois Romieu <romieu@fr.zoreil.com>, netdev@vger.kernel.org
Subject: Re: accelerated vlan gives pcap tagged packets untagged
Date: Mon, 09 Feb 2009 14:39:12 +0100 [thread overview]
Message-ID: <49903200.6040408@trash.net> (raw)
In-Reply-To: <20090209143405.76ac6387@mjolnir.drzeus.cx>
Pierre Ossman wrote:
> On Mon, 09 Feb 2009 14:23:01 +0100
> Patrick McHardy <kaber@trash.net> wrote:
>
>> Current kernel version (I think starting with 2.6.28) relay the
>> VLAN tag information to userspace through packet sockets. The
>> current libpcap release from tcpdump.org (or the one Dave keeps
>> in a git tree on kernel.org) supports reconstructing the tags.
>>
>
> Ah. This is a Fedora 10 machine so it's running a 2.6.27 kernel. I'll
> see if I can do a test with an updated kernel.
>
> Do you know if dhcpd also uses libpcap so that it will stop seeing
> packets it shouldn't?
I believe it depends on compilation options (but usually does on
modern distributions).
next prev parent reply other threads:[~2009-02-09 13:39 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-08 11:37 accelerated vlan gives pcap tagged packets untagged Pierre Ossman
2009-02-08 23:26 ` Francois Romieu
2009-02-09 13:23 ` Patrick McHardy
2009-02-09 13:34 ` Pierre Ossman
2009-02-09 13:39 ` Patrick McHardy [this message]
2009-07-23 16:08 ` Malcolm Scott
2009-07-23 16:35 ` Patrick McHardy
2009-07-24 16:50 ` Malcolm Scott
2011-08-06 16:00 ` Pierre Ossman
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