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Date:      Thu, 26 May 2011 19:33:50 -0500
From:      Gary Gatten <Ggatten@waddell.com>
To:        "'chris@monochrome.org'" <chris@monochrome.org>, "'questions@freebsd.org'" <questions@freebsd.org>
Subject:   Re: RAM needed for DHCP + router?
Message-ID:  <23504_1306456431_4DDEF16F_23504_3860_1_D9B37353831173459FDAA836D3B43499BF89C377@WADPMBXV0.waddell.com>
In-Reply-To: <alpine.BSF.2.00.1105261943531.9461@tripel.monochrome.org>

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Your biggest consumers would be FBSD itself and the routing tables. I *thin=
k* full internet routing tables are still less than 512MB, (google to check=
), so unless you have more routes than that - 512MB may work, 1GB most like=
ly will.  Too many unknowns, like; is this ipv4 only or 6 and 4 routes? Twe=
aked/minimal kernel, etc.

----- Original Message -----
From: Chris Hill [mailto:chris@monochrome.org]
Sent: Thursday, May 26, 2011 06:46 PM
To: FreeBSD Questions List <questions@freebsd.org>
Subject: RAM needed for DHCP + router?

Hello list,

I'm looking to build a NAT / DHCP box for a lab network for my company. My=
=20
question is, how do I estimate the amount of RAM the machine will need?

This box will be running isc-dhcpd, doing NAT either via natd or pf, and=20
not much else. I expect the amount of traffic (throughput) to be very=20
small, but the address space involved is quite large, at least by my=20
standards. It seems to me that this will require potentially large amounts=
=20
of memory for routing tables, etc., but not much disk.

I'll be installing the latest -RELEASE; 32-bit if I can, 64-bit if I must,=
=20
depending on how much memory it looks like I'll need. I may also install=20
webmin for the benefit of my computer-literate-but-not-unix-savvy=20
coworkers.

Thanks!


--=20
Chris Hill               chris@monochrome.org
**                     [ Busy Expunging </> ]
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