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Date:      Mon, 1 Mar 1999 09:45:37 -0500 (EST)
From:      Alfred Perlstein <bright@cygnus.rush.net>
To:        James Van Vleet <jamesvv@ibm.net>
Cc:        freebsd-hackers@FreeBSD.ORG
Subject:   Re: FreeBSD as a serial mux? (Serial <-> FreeBSD <-> WAN <-> FreeBSD <-> Serial)
Message-ID:  <Pine.BSF.3.96.990301094307.7848f-100000@cygnus.rush.net>
In-Reply-To: <000301be63d9$475a35e0$17c25c8b@javlaptop.dms-corp.co.uk>

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On Mon, 1 Mar 1999, James Van Vleet wrote:

> 
> 	I found this question a few times in my mailing list searches, but couldn't
> find an answer.  If I have the wrong mailing list, please let me know.  I
> have tried -questions with no luck.
> 
> 	Is there a way to use FreeBSD as a serial mux?  What I want to do is
> replace an existing leased line that is connected to serial multiplexers
> with a more modern WAN (TCP/IP) connection.  The downside is that I still
> need to provide the serial muxing connection.  So really what I need is a
> way to remotely run some terminals that are proprietary enough to not have
> emulation, as in serial in one server and serial out the other server.  This
> seems useful enough that I would be surprised is someone has not already
> done it (without requiring some expensive terminal servers!) Any thoughts or
> suggestions are appreciated.

Whistle Communications has a set of patches for freebsd that allow
this to be done in kernel, the interface to the code doesn't seem
too bad either.

You can pick it up at: 
ftp://ftp.whistle.com/pub/archie/netgraph/index.html

I'm looking into using it for round robin based web load balancing, the
reason that it's so appealing is that it is _in kernel_ meaning fast,
fast, fast, and very modular.

-Alfred

> 
> -James
> 
> 
> 
> 
> 
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