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 From:  "Lee Sharp" <leesharp at hal dash pc dot org>
 To:  "Don Gray" <don at netcaliber dot com>, <m0n0wall at lists dot m0n0 dot ch>
 Subject:  Re: [m0n0wall] PPTP Practical Hardware Limitations?
 Date:  Thu, 20 Oct 2005 13:55:43 -0500
From: "Don Gray" <don at netcaliber dot com>

> I've got a client needing a VPN solution for remote users.  They are
> considering a Cisco VPN Concentrator but are hindered by the cost; I told
> them about m0n0 and they were interested.  They currently don't require a
> large number of users to access their network but will in the future.  I
> found Chris' page on how to increase the number of allowable PPTP
> connections through software BUT what are the hardware considerations? 
> How
> can I calculate how many concurrent connections are possible for a given
> hardware setup?  Has anyone else used m0n0 in this way?

A lot of this will depend on throughput and the level of encryption.  What 
is the size of your pipe to the internet?