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Subject: Re: OpenVPN vs IPSec
To: Victor Sudakov <vas@mpeks.tomsk.su>
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Cc: Karl Denninger <karl@denninger.net>, freebsd-net@freebsd.org
From: Eugene Grosbein <eugen@grosbein.net>
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Date: Sun, 19 Nov 2017 22:15:37 +0700
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19.11.2017 21:57, Victor Sudakov wrote:

>> I was able to successfully connect Windows 8.1 client to FreeBSD 11.1 server
>> in the L2TP/IPSEC mode using ipsec-tools (racoon) plus mpd5.
> 
> Could you please share the setup here or in LiveJournal? I'm most
> interested in the L2TP/mpd5 part.

There is nothing special to share. Just take a look to its mpd.conf.sample.
You can use pptp_server part replacing pptp-specific commands (set pptp)
with l2tp-specific and, of course, change link type "pptp" with "l2tp".

You can even debug mpd5/l2tp part without engaging IPSec at all
by using unencrypted "L2TP without IPSEC" clients to begin with.