Date: Thu, 23 May 1996 13:12:05 -0500 (CDT) From: "Karl Denninger, MCSNet" <karl@mcs.com> To: louie@TransSys.COM (Louis A. Mamakos) Cc: msmith@atrad.adelaide.edu.au, jkh@time.cdrom.com, hasty@rah.star-gate.com, yves@CC.McGill.CA, freebsd-hackers@freebsd.com Subject: Re: SDL cards Message-ID: <m0uMerm-000IDOC@venus.mcs.com> In-Reply-To: <199605231723.NAA01516@whizzo.transsys.com> from "Louis A. Mamakos" at May 23, 96 01:23:57 pm
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> > Jordan K. Hubbard stands accused of saying: > > > > > > > Let me know if I can be of any assistance , I am really, really tired > > > > of my ISPs Ascend 400 . It tends to buckle under the weight of > > > > FreeBSD :( > > > > > > I find this quite surprising - you used to LOVE your Ascend, Amancio - > > > is that love affair over so quickly? :-) > > > > The 400 is the multiport server. They're horrifically expensive, and > > apparently seriously underpowered. > > The thing which may be the root of the problem is if you're expecting > the box to do STAC compression on the ISDN B channels. You'll quickly > run out of CPU on those boxes. The Ascend MAX 4000 has hardware > compression support, so it's much less of an issue. Right. > "Expensive" is a relative question, as always. They do have the > advantage of actually mostly working, so you'll save a lot of time > trying to get ISDN D channel signaling software to work. And then > tweaked to support the different phone switches, NI-1 vs. AT&T Custom, > different switch software "features", etc. > > > A friend of mine bought a P50 recently; it's the most amazingly dinky > > little unit - I was expexting something much larger. > > You should see the Pipeline 130 - T1 with built-in CSU/DSU and ISDN > BRI with NT1 in the same sized box. Making it bigger than necessary > only makes it cost more. I've got a P50 LS56 on a 56K Frame Relay > circuit at home, and it works great. Yeah, ain't that a neat box? An ISPs dream - T1 access with integrated ISDN dial backup (!) on one or two "B" channels. I love those damn things; now if I could just get some shipped! :-) Oh, they're cheap too (~$2k). CISCO, watch out in the access router marketplace; you have some serious competition out there. > Disclaimer: at my day job, I work at UUNET Technologies, and we have > about 500 Ascend MAX 4000 boxes deployed in the field on about 1000 > ISDN PRI's. Having the product work is a big feature. > > Louis Mamakos Yep. I run MCSNet, and we switched about a month ago from traditional modems to Maxen as well. We also find that they work quite well. Still some software quirks, but I'd never go back to the old way. Being able to get 500+ lines in one 84" cabinet is a big plus :-) -- -- Karl Denninger (karl@MCS.Net)| MCSNet - The Finest Internet Connectivity Modem: [+1 312 248-0900] | T1 from $600 monthly; speeds to DS-3 available Voice: [+1 312 803-MCS1] | 21 Chicagoland POPs, ISDN, 28.8, much more Fax: [+1 312 248-9865] | Email to "info@mcs.net" WWW: http://www.mcs.net/ ISDN - Get it here TODAY! | Home of Chicago's only FULL Clarinet feed!
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