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Newsgroups: comp.os.386bsd.questions Path: sserve!newshost.anu.edu.au!munnari.oz.au!news.Hawaii.Edu!ames!haven.umd.edu!darwin.sura.net!europa.eng.gtefsd.com!uunet!psgrain!agora!davidg From: davidg@agora.rain.com (David Greenman) Subject: Re: ED Driver in FreeBSD Message-ID: <CFuwpw.AE6@agora.rain.com> Organization: Open Communications Forum Date: Tue, 2 Nov 1993 08:53:55 GMT Lines: 25 >>The SIMPLEX is what's bothering me. I have never seen it before and >>it isn't documented anywhere. Any help would be appreciated..Thanks.. > > > Do a grep on /usr/include/net for SIMPLEX.... It's in one of the files > in there [I would do this, but am in DOS now, cuz I'm writing papers, > and don't have an X wordprocessor ;>]. > > Since I just looked there a caouple of days ago, I do believe SIMPLEX > means "interface can't hear it's own transmits" or soemthing close... > > I don't think that this is the problem in this case, but I'll let Dave > Greenman handle that, since it's his driver ;> It's a characteristic, not a setting. Most ethernet boards don't hear there own transmissions, and since it's important for machines to hear their own broadcasts, this flag indicates that the upper levels of the IP code should copy and loop back broadcasts to the loopback device so that they can be heard. >PS: Dave G: IF you read this, please drop me a line... I can't find your Email >address around and wanted to ask a few Q's.... Thanks. My email address is davidg@implode.rain.com. -DG