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Date: Tue, 14 Jul 2009 16:41:31 +0300
From: Eugene Perevyazko <john@dnepro.net>
To: freebsd-net@freebsd.org
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Subject: Re: question regarding IPSEC Setup
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On Mon, Jul 13, 2009 at 11:09:11AM -0400, rascal wrote:
> So I have a couple of questions regarding a scenario that has recently been
> brought to me.  I have two sites, one with a cisco device and one with a
> server running freebsd 7.2.  The client wants to connect the two sites using
> these devices and I am told that the best way would be to establish an IPSEC
> tunnel between the cisco device and the freebsd server.  The cisco is a
> concentrator 3000 and the server is just a dell poweredge 860 with 4 nics in
> the back running 7.2 freebsd.  I guess my two questions are:
> 
> 1.  Has anyone done this before and what are their results?

I'm using several IPSec tunnels between cisco 851's  and freebsd routers.
It "just works". 

> 2.  Is setting up an IPSEC tunnel the best route for this or is there
> something else I should be looking at?
IPSec is the standard for tunnels over internet. Cisco VPN requires their proprietary client, OpenVPN is not for ciscos.

> 3.  Any tips/tricks/good sites to check on for setting up IPSEC on freebsd
> (I am currently reading
> http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/ipsec.html which
> is pretty darn good)?
I use IPSec tunnels without gif interface on freebsd, don't know if it will work with it. I declare policy in /etc/ipsec.conf, and use racoon (ports/security/ipsec-tools) to do all the rest. It's pretty simple on cisco side too. Just say if you need an example.

-- 
Eugene Perevyazko