*BSD News Article 65411


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From: iverson@cisco.com (Tim Iverson)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: PPP addressing COM ports vs. internal thing
Date: 5 Apr 1996 04:47:04 GMT
Organization: cisco
Lines: 36
Message-ID: <4k28k8$ooe@cronkite.cisco.com>
References: <4j7jtb$me6@mel.hargray.com> <ESKILB.96Mar26111125@coredump.hrp.no>
NNTP-Posting-Host: rottweiler.cisco.com

In article <ESKILB.96Mar26111125@coredump.hrp.no>,
Eskil Brun <eskilb@coredump.hrp.no> wrote:
|In article <4j7jtb$me6@mel.hargray.com> Frank Heflin <fheflin@mail.hargray.com> writes:
|
|| I've followed all the setup docs repeatedly to no avail and am beginning 
|| to think its my modem.
|
|I have had problems with user-mode PPP. With one of my service
|providers there is no problem. With another service provider running
|linux i have the same problem as you describe. Dial - OK, Login -
|OK. Negotiate IP addresses - OK, Set up routes - OK. But no traffic
|gets through. I ping the gateway host but no answer. 
|
|I run the ppp(1) port that comes with FreeBSD 2.1.

I just setup ppp(1) to dial into a SLiRP connection.  I can't seem to get
ppp(1) to setup the routes properly by itself, but adding the right ones
manually does get the packets out the modem.  Watch the modem indicator
lights when you run ping.  If SX doesn't flicker, you've probably got a
routing problem.  I also had to add "disable pred1" and "deny pred1" before
I could get any responses to my pings, though.  Either ppp(1) can't send
proper pred1 packets or SLiRP can't receive them.

I had decided on ppp(1) over pppd(8) when I noticed that it had support
for filtering.  However, the lack of documentation is almost enough to
convince me that this was a really bad choice.  Does anyone know where I
can find documentation for the ppp(1) configuration files?  The man pages
hint at Japanese docs.  Has anyone translated them into English?

Also, I'd really like to setup multiple ppp links and have the most
appropriate one dialed on demand depending on IP address.  This doesn't seem
possible with ppp(1).  Can it be done with pppd(8)?


- Tim Iverson
  iverson@lionheart.com