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Date:      Mon, 29 Jun 2015 08:58:38 +0200
From:      Daniel Hartmeier <daniel@benzedrine.ch>
To:        Milan Obuch <freebsd-pf@dino.sk>
Cc:        Ian FREISLICH <ian.freislich@capeaugusta.com>, freebsd-pf@freebsd.org
Subject:   Re: Large scale NAT with PF - some weird problem
Message-ID:  <20150629065838.GA13722@insomnia.benzedrine.ch>
In-Reply-To: <20150628100609.635544e0@zeta.dino.sk>
References:  <20150620182432.62797ec5@zeta.dino.sk> <20150619091857.304b707b@zeta.dino.sk> <14e119e8fa8.2755.abfb21602af57f30a7457738c46ad3ae@capeaugusta.com> <E1Z6dHz-0000uu-D8@clue.co.za> <E1Z6eVg-0000yz-Ar@clue.co.za> <20150621195753.7b162633@zeta.dino.sk> <E1Z7Ixx-0006K1-5p@clue.co.za> <E1Z7K1Y-0006Ph-ON@clue.co.za> <20150623112331.668395d1@zeta.dino.sk> <20150628100609.635544e0@zeta.dino.sk>

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On Sun, Jun 28, 2015 at 10:06:09AM +0200, Milan Obuch wrote:

> So, now I am at 10.2-PRERELEASE, r284884, and the issue is still here.
> It is totally weird, just change of IP the device is being natted to
> makes the issue disappear for this particular customer, but as soon as
> this exact IP is used again, the issue is here again.

I'd go over the entire network config (pf.conf, pfctl -sa, rc.conf,
netstat -anr, ifconfig, arp -an) and look for any mistake, like a
typo or a netmask which isn't what you thought it is (like on an
alias), or for any weirdness related to that IP address.

Daniel


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