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Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!newshost.telstra.net!asstdc.scgt.oz.au!metro!metro!news.cs.su.oz.au!inferno.mpx.com.au!news.mel.aone.net.au!imci4!imci3!imci2!news.internetMCI.com!newsfeed.internetmci.com!iol!tank.news.pipex.net!pipex!dispatch.news.demon.net!demon!pencotts.demon.co.uk From: Andrew Gordon <andrew.gordon@net-tel.co.uk> Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: ISDN Date: Fri, 29 Mar 1996 23:21:03 GMT Lines: 13 Message-ID: <828141663.15513@pencotts.demon.co.uk> References: <4ivo5k$jq3@sundog.tiac.net> <31553A0B.41C67EA6@FreeBSD.org> <Doy3J8.K0M.0.raindrop.seaslug.org@raindrop.seaslug.org> <DozFMz.3G@ritz.mordor.com> NNTP-Posting-Host: pencotts.demon.co.uk X-NNTP-Posting-Host: pencotts.demon.co.uk X-Mailer: Mozilla 1.1N (X11; I; FreeBSD 2.1-STABLE i386) MIME-Version: 1.0 X-URL: news:DozFMz.3G@ritz.mordor.com Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=us-ascii ritz@ritz.mordor.com (Chris Mauritz) wrote: >Why would you need to run the serial port at twice the speed of the >adapter? Unless you've got non-standard TA's at both ends of the >link, ISDN TA's generally don't do any data compression. And even with those that do compression, you may well be better off disabling it and using pred1 compression in the PPP stream before you send it through the port. This was certainly my experience with using ISDN TAs with optional compression (I was only using one channel as we pay duration-based charges over here).