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Date:      Sun, 25 Dec 2011 20:44:55 +0100
From:      Pawel Tyll <ptyll@nitronet.pl>
To:        "Alexander V. Chernikov" <melifaro@FreeBSD.org>
Cc:        "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net>, freebsd-net@freebsd.org, "Andrey V. Elsukov" <ae@FreeBSD.org>, freebsd-ipfw@freebsd.org, Jason Hellenthal <jhell@DataIX.net>
Subject:   Re: IPFW eXtended tables [Was: Re: IPFW tables, dummynet and IPv6]
Message-ID:  <1634551546.20111225204455@nitronet.pl>
In-Reply-To: <4EF7719A.8020902@FreeBSD.org>
References:  <1674097252.20111218125051@nitronet.pl> <4EEDD566.8020609@FreeBSD.org> <20111220163355.GA87584@DataIX.net> <4EF73A4A.3050902@FreeBSD.org> <1413850829.20111225184712@nitronet.pl> <AA3C6FCC-0817-4108-A107-3367A6F14757@lists.zabbadoz.net> <4EF7719A.8020902@FreeBSD.org>

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> At the moment maximum number of tables remains the same however it is
> now possible to define IPFW_TABLES_MAX to 65k without much (memory)
> overhead. Since pointer to tables are stored in array, defining 2^32
> tables require 4G * (8+8+1) memory for pointers only.
65k  is  also  a  good amount. Gives me 10 tables per vlan. :)

> By the way, I see two possible syntax changes for interface tables:
> ipfw add .. skipto tablearg ip from any to any lookup
> <src-iface|dst-iface|iface>
> or
> ipfw add .. skipto tablearg ip from any to any recv|xmit|via table(X)
> Personally I like 'lookup' variant.
recv|xmit|via  is  in  the  ipfw  spirit, so while personal tastes are
always important, I would personally keep it consistent.





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