Date: Mon, 29 Jun 2015 11:45:06 +0200 From: Milan Obuch <freebsd-pf@dino.sk> To: Daniel Hartmeier <daniel@benzedrine.ch> Cc: Ian FREISLICH <ian.freislich@capeaugusta.com>, freebsd-pf@freebsd.org Subject: Re: Large scale NAT with PF - some weird problem Message-ID: <20150629114506.1cfd6f1b@zeta.dino.sk> In-Reply-To: <20150629092932.GC22693@insomnia.benzedrine.ch> References: <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> <20150629082654.GA22693@insomnia.benzedrine.ch> <20150629105201.7ee24e38@zeta.dino.sk> <20150629092932.GC22693@insomnia.benzedrine.ch>
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On Mon, 29 Jun 2015 11:29:32 +0200 Daniel Hartmeier <daniel@benzedrine.ch> wrote: > On Mon, Jun 29, 2015 at 10:52:01AM +0200, Milan Obuch wrote: > > > Does this answerred your question fully or something more would be > > usefull? > > How are you doing ARP? > > You're not assigning every address on x.y.26.0/23 as an alias, are > you? > > So who answers ARP requests of the upstream router? There is no ARP on routed address block. In cisco speak, there is just ip route x.y.24.0 255.255.252.0 x.y.3.19 statement and that's it. Nothing more. Whole address range from x.y.24.0 to x.y.27.254 is routed here as it should be. For something like this ARP would be really evil solution. Milan
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