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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!munnari.OZ.AU!news.ecn.uoknor.edu!feed1.news.erols.com!insync!enews.sgi.com!arclight.uoregon.edu!hammer.uoregon.edu!newsgate.cuhk.edu.hk!news.att.net.hk!elausrv2.att.net.au!nsw.news.telstra.net!asstdc.scgt.oz.au!f400.n712!f515.n712!f401.n711!not-for-mail Newsgroups: comp.unix.bsd.freebsd.misc Distribution: world X-Comment-To: lmiller@cortes.cibnor.mx From: Trev Roydhouse <Trev.Roydhouse@f401.n711.z3.fidonet.org> Date: Wed, 04 Dec 96 19:42:00 +1100 Subject: Re: ijppp crashing serial connection Message-ID: <2153454606@f401.n711.z3.ftn> Organization: Sentry -- Sydney, New South Wales, Australia X-FTN-AREA: COMP.UNIX.BSD.FREEBSD.MISC X-FTN-Tearline: QM v1.30 X-FTN-Origin: Sentry -- Sydney, New South Wales, Australia (3:711/401.0) X-FTN-SEEN-BY: 711/401 501 712/400 515 X-FTN-PATH: 711/401 712/515 X-FTN-PATH: 712/400 Lines: 19 > We're running ijppp 0.94 under FBSD 2.1.0 on a 150mhz > Compaq pentium, calling over Motorola 28.8 modems into a > Cisco 2509. Works great unless we try to send anything > big in the outgoing direction, action which results in > about 100K going out then the TR on the modem attached to > the FBSD box drops closing the connection, and the ppp > log gives us a bunch of "modem write- I/O error" > messages. We can *receive* big files with no problems, This sounds like a classic case of modem buffer overrun (in fact your modem should be able to give you the reason for the last disconnect to prove this). Make sure that you have hardware handshaking (CTS/RTS) enabled in your modem profile and in your tty port setup. TREV.