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Date:      Thu, 20 Oct 2011 14:40:32 -0400
From:      Arnaud Lacombe <lacombar@gmail.com>
To:        Kevin Wilcox <kevin.wilcox@gmail.com>
Cc:        net@freebsd.org
Subject:   Re: Patch to enable our tcpdump to handle CARP
Message-ID:  <CACqU3MVkO_7DcQwDHUM_tsOEyjbyn8MX%2BwiyyJkuBUetMZEz2g@mail.gmail.com>
In-Reply-To: <CAFpgnrNAMELsJ8g9JxfO-MyZA9iaAyGsgsT5VFi204AyozYXhg@mail.gmail.com>
References:  <00C1A678-1654-40D2-9ADD-1857C2ECCA04@neville-neil.com> <CAFpgnrNAMELsJ8g9JxfO-MyZA9iaAyGsgsT5VFi204AyozYXhg@mail.gmail.com>

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Hi,

On Thu, Oct 20, 2011 at 12:12 PM, Kevin Wilcox <kevin.wilcox@gmail.com> wro=
te:
> On 19 October 2011 16:20, George Neville-Neil <gnn@neville-neil.com> wrot=
e:
>
>> I've been trying to debug CARP problems of late. I noticed that our tcpd=
ump didn't have CARP
>> support. =A0I took and fixed some code from OpenBSD so that our tcpdump =
can work with
>> CARP. =A0Unlike OpenBSD you have to specify -T carp to read carp packets=
. =A0In their version
>> you specify -T VRRP, because they don't like VRRP. =A0I decided that we =
should go with
>> what most of the industry cares about rather than what OpenBSD cares abo=
ut.
>
> Additionally, Daniel Hartmeier posted a significant patch to
> freebsd-questions@ for pf+tcpdump earlier this year that added support
> for the pfsync device. I've been using it in production on firewalls
> with 125k pps average to track NAT translations for a /17 and it's
> been of endless utility since pf doesn't offer the translation logging
> you see on some commercial devices.
>
any URL about the patch in question ? I cannot find anything in the
recent archives of freebsd-questions@

Thanks,
 - Arnaud



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