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Date:      Sun, 26 Feb 2006 10:02:34 -0600
From:      "Bill Marquette" <bill.marquette@gmail.com>
To:        "Jon Simola" <jon@abccomm.com>
Cc:        bug-followup@FreeBSD.org, freebsd-pf@freebsd.org
Subject:   Re: kern/93829: [carp] pfsync state time problem with CARP + Arp.Balance
Message-ID:  <55e8a96c0602260802i5cc1a991udfcc6573afa78bd4@mail.gmail.com>
In-Reply-To: <8eea04080602252353m57b1ca20i5aa841373e93153e@mail.gmail.com>
References:  <200602260727.k1Q7RlBm051512@freefall.freebsd.org> <8eea04080602252353m57b1ca20i5aa841373e93153e@mail.gmail.com>

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On 2/26/06, Jon Simola <jon@abccomm.com> wrote:
> On 2/25/06, Mark Linimon <linimon@freebsd.org> wrote:
>
> > http://www.freebsd.org/cgi/query-pr.cgi?pr=3D93829
>
> > pfsync0: flags=3D41<UP,RUNNING> mtu 1348
> >        pfsync: syncdev: fxp0 syncpeer: 15.1.1.1 maxupd: 128
>
> > ### Pfsync Rule
> > pass quick on { em1 } proto pfsync
>
> This problem seems obvious.

Yep, looks like user error in this case.  However, I've seen this
happen when I've accidentally had carp mismatches such that my
firewalls were also seeing an asymmetric traffic stream.  The hazard
of fast networks (and possibly slow machines) I'm afraid.

--Bill



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