From owner-freebsd-isp Wed Aug 27 14:42:07 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id OAA11530 for isp-outgoing; Wed, 27 Aug 1997 14:42:07 -0700 (PDT) Received: from dream.future.net (future.net [204.130.134.1]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id OAA11522 for ; Wed, 27 Aug 1997 14:42:00 -0700 (PDT) Received: from dream.future.net (tomthai@future.net [204.130.134.1]) by dream.future.net (8.8.5-r-beta/8.6.10) with SMTP id QAA14873; Wed, 27 Aug 1997 16:41:26 -0500 (CDT) Date: Wed, 27 Aug 1997 16:41:26 -0500 (CDT) From: "Tom T. Thai" To: jens@regio.net cc: freebsd-isp@FreeBSD.ORG, linuxisp@friendly.jeffnet.org Subject: Re: ISDN, 56K In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from QUOTED-PRINTABLE to 8bit by hub.freebsd.org id OAA11525 Sender: owner-freebsd-isp@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk On Wed, 27 Aug 1997, Jens Glaser wrote: > Hi, > > On Wed, 27 Aug 1997, Tom T. Thai wrote: > > For those that are using Unix RAS boxes (termserver), how are you > > handling ISDN and 56K connections? Hardware? MPPP? > > Well, for small POPs we just set up a Linux server using portslave > and a multiport serial (Cyclades) connected to USR Sportsters > (33k6 analogue lines) and ZYXEL OmniTA128s (digital lines, handles two B > channels simultaneously with two serial ports). The OmniTA128s have a > problem: they somehow "hang" up to multiple times a week due to some > firmware bugs .. no 56k on the small pop? > > For the bigger POPs (>8 lines) we currently rely on ASCEND´s K56Flex > modem cards integrated in their MAX routers - connected to a PRI (=30 > B-channels) line. BTW, the K56Flex firmware is also buggy :) It generates > lots of CRC errors in conjunction with the PRI line - but Ascend > promised a fix. > > Regards, > > -- > Jens Glaser Am Holderstrauch 13, 36041 Fulda, 0661/9429507 jens@regio.net > .. at work: Lindenstraße 37a, 36037 Fulda, 0661/9011777 > > .............. .................................... Thomas T. Thai Infomedia Interactive Communications tom@iic.net TEL 612.376.9090 * FAX 612.376.9087