Date: Mon, 5 May 1997 18:05:17 -0700 (PDT) From: Vincent Poy <vince@mail.MCESTATE.COM> To: Adam David <adam@veda.is> Cc: freebsd-isp@freebsd.org Subject: Re: ISP Terminal Server Remote Site Requirements Message-ID: <Pine.BSF.3.95.970505180112.1286j-100000@mail.MCESTATE.COM> In-Reply-To: <199705022037.UAA02024@veda.is>
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On Fri, 2 May 1997, Adam David wrote: > > 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! :) Who makes the Z series serial ports anyways? For the X2, I think you need to get a USR Terminal Modem Server in order to support the X2 speed. > Another question though. Can X2 modems accept 56k connections from Rockwell > and Motorola (assuming them to be the 3rd player) modems? I don't think they could. > >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. So FreeBSD can't do radius as a server yet? > >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... Hmmm, this would work well though if you wanted to resell dedicated leased lines as well. > 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? Not too sure about this one but even with a PRI, you still need a T1 or something for the terminal server to go to the core router at the NOC. Cheers, Vince - vince@MCESTATE.COM - vince@GAIANET.NET ________ __ ____ Unix Networking Operations - FreeBSD-Real Unix for Free / / / / | / |[__ ] GaiaNet Corporation - M & C Estate / / / / | / | __] ] Beverly Hills, California USA 90210 / / / / / |/ / | __] ] HongKong Stars/Gravis UltraSound Mailing Lists Admin /_/_/_/_/|___/|_|[____]
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