Date: Tue, 10 Aug 1999 09:52:28 +0100 From: Brian Somers <brian@FreeBSD.org.uk> To: Qihong Chen <qihong@ee.pdx.edu> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: PPP problem: Unknown protocol 0x8207 (Cisco Discovery Protocol Control) Message-ID: <199908100852.JAA00763@keep.lan.Awfulhak.org> In-Reply-To: Your message of "Mon, 09 Aug 1999 12:57:37 PDT." <37AF32B1.EAC6914E@ece.pdx.edu>
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> Hi all,
>
> I have a problem with my ppp dialup to my ISP. I have FreeBSD 3.2
> (download from ftp.freebsd.org/pub/FreeBSD/3.2-RELEASE), and ppp
> version is 2.11 (Date 1999/05/02 08:59:38).
>
> Since my ISP use Unix style login, I disable both CHAP and PAP.
> After I issue "dial" command, the output are (see attached files
> for more info):
> ...
> Chat: Received: Entering PPP mode.
>
> Chat: Received: Async interface address is unnumbered (Ethernet0)
>
> Chat: Received: Your IP address is 131.252.218.42. MTU is 1500 bytes
>
> Chat: Received: Header compression will match your system.
>
> Chat: Received:
>
> PPp ON jenny>
> ppp ON jenny>
>
> You can see here the first two capital P's, which means "we've
> authenticated", somehow I didn't get three capital P's (PPP)
> which means "we didn't agreed IP numbers". But you can see my ISP
> already told me what IP number to use.
>
> I found the following entry in ppp.log:
> Phase: Unknown protocol 0x8207 (Cisco Discovery Protocol Control)
>
> I have no problem to connect to my ISP through PPP when I use
> Windows NT on the same box.
>
> I already checked out FAQ, Handbook, PPP - Pedantic PPP Primer,
> and mailing list, and I can not figure out what's wrong here.
>
> Can anyone give me an idea what's the problem? I also attach
> three files with this message:
> ppp.log.278: related ppp.log entries
> ppp.conf.278: my ppp.conf
> typescript.278: the output of ppp command
>
> Thanks,
>
> Qihong Chen
> qihong@ee.pdx.edu
Hi,
Good config file - specifically the ``set vj stotcomp off'' to match
the peer :-)
I think the real problem lies here:
[.....]
> Aug 9 11:09:17 jenny ppp[278]: LCP: deflink: -- Protocol 0x8021 (Internet Protocol Control Protocol) was rejected!
[.....]
At this point, ppp should close down the link. I've just committed a
change that makes this happen, but that's not what the problem is :-I
I *think* the problem is that the ppp implementation at the other
side is an NT server. Some (broken) ppp implementations will fail to
allocate you a dynamic IP number unless you specifically request
``0.0.0.0''. Try changing your ``set ifaddr'' line to
set ifaddr 131.252.218.0/24 131.252.218.60/24 255.255.255.224 0.0.0.0
This tells ppp to send 0.0.0.0 first, but still insist on something
in the specified MYADDR range.
--
Brian <brian@Awfulhak.org> <brian@FreeBSD.org>
<http://www.Awfulhak.org>; <brian@OpenBSD.org>
Don't _EVER_ lose your sense of humour ! <brian@FreeBSD.org.uk>
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