Date: Wed, 29 Jan 2014 17:52:07 +0200 From: Vladislav Prodan <universite@ukr.net> To: frank2@fjl.co.uk Cc: freebsd-questions@freebsd.org Subject: Re[2]: Necessary to implement static NAT 1:1 Message-ID: <1391010653.726619904.szvwo6t9@frv35.ukr.net> In-Reply-To: <52E91B3D.4000601@fjl.co.uk> References: <1390999493.115887823.pfbg2ep5@frv35.ukr.net> <52E91B3D.4000601@fjl.co.uk>
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> > On 29/01/2014 12:45, Vladislav Prodan wrote: > > Necessary to implement static NAT 1:1 > > > > 10.1.2.3 -> 100.1.2.3 > > 10.1.2.4 -> 100.1.2.4 > > 10.1.2.5 -> 100.1.2.5 > > 10.1.2.6 -> 100.1.2.6 > > ... > > IP addresses such an over 20k > > prompt you implement? > > > I don't understand the question exactly (I expect I will not be the only > one). natd will allow 1:1 mappings like this very easily. Are you saying > you have a lot of these and you do not want to write the config file by > hand? > > I'm not sure that FreeBSD withstand an over 20k rules of the form: ipfw nat 3 config ip 100.1.2.3 ipfw nat 4 config ip 100.1.2.4 ipfw nat 5 config ip 100.1.2.5 ipfw nat 6 config ip 100.1.2.6 ... + Two rules to handle each nat N Probably need to somehow use nat tablearg, but I do not understand logic. -- Vladislav V. Prodan System & Network Administrator http://support.od.ua +380 67 4584408, +380 99 4060508 VVP88-RIPE
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