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Date:      Fri, 2 May 1997 20:37:55 GMT
From:      Adam David <adam@veda.is>
To:        vince@mail.MCESTATE.COM (Vincent Poy)
Cc:        freebsd-isp@freebsd.org
Subject:   Re: ISP Terminal Server Remote Site Requirements
Message-ID:  <199705022037.UAA02024@veda.is>
References:  <Pine.BSF.3.95.970428020733.8531E-100000@mail.MCESTATE.COM>

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>	I was wondering what else would be needed to do a FreeBSD based
>terminal server that does it authenicitation with a actual FreeBSD based
>server over the network besides the following:

>1) FreeBSD box with Cyclades Serial Ports and modems, will the box alone
>  be able to support ISDN or USR X2 modems assuming I had a ISDN PRI
>  coming in and will there be support for the PRI?  I heard for X2 that
>  more than the modems is needed but also their server is needed?  

X2 will work on any digital line, ISDN lines are digital lines that also
support ISDN. Perhaps all digital lines support ISDN with your telco.
Any modem server can be used for X2 since the modems don't care whether
the incoming connection is analog or digital (i.e. the modems look like
"fast modems"), but to get the most out of it you will need the new Z series
serial ports (to get compression bandwidth). Unfortunately there is no
FreeBSD driver available for them yet. Therefore, some legwork or brainwork
will be necessary to get Z-ports to work. On the other hand, how far away
are we from using Linux drivers with FreeBSD? That would be awesome! :)

Another question though. Can X2 modems accept 56k connections from Rockwell
and Motorola (assuming them to be the 3rd player) modems?

>2) Daniel O'Callaghan's terminal server kit for FreeBSD

With Radius support in the works. Daniel, in case you're listening,
I'm interested in helping with this.

>3) A router which I can use either a Cisco or ETinc's syncronous card
>   on a FreeBSD box.

The ETinc card looks like the only serious high speed sync solution. Of course,
you don't need this for a normal dialin terminal-server. Unless...

How about a 2Mb/s connection from the telco (primary rate ISDN) with channel
differentiation and modems implemented solely in software (on some custom
hardware card maybe)? Might this be possible or even feasible, now or later?

--
Adam David <adam@veda.is>



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