Re: ppp link always dials when started with -auto?

From: David Carter-Hitchin (david_at_carter-hitchin.clara.co.uk)
Date: 10/31/03

  • Next message: Dennis Pedersen: "mpd reports : LCP: protocol 0x2145 was rejected" 
    Date: Fri, 31 Oct 2003 09:55:14 +0000 (GMT)
To: freebsd-net@freebsd.org

    Just a follow up...

    I forgot to mention that I also did a tcpdump on tun0 as the link comes up
    - it shows no packets sent or received. From my limited knowledge of ppp
    negotiation, it looks like the link is being brought up but nothing is
    being sent over it.

    I also did a ktrace on ppp that didn't reveal anything which would
    indicate why ppp is dialling upon initialisation.

    One other thing is that after the initial dial, if I leave ppp to timeout,
    then it will not dial again, unless I do something (send mail, browse the
    web) - I've left it for at least 24 hours. This is strong evidence that
    the way ppp itself is setup is causing it to dial upon initialisation - is
    it testing the link? Is that some option somewhere?

    Many thanks,
    David

    On Fri, 31 Oct 2003, David Carter-Hitchin wrote:

    > Hi All,
    >
    > Hoping someone really clever knows the answer here (I asked on the
    > 'questions' mailing list and I got no response). This problem is really
    > getting to me - I can normally solve problems on my own with some googling
    > and reading the man pages, but this one has me beat.
    >
    > Briefly:
    >
    > 4.8-RELEASE "ppp -auto" always dials
    > Turned off sendmail - same result
    > Booted in single user mode - same result
    > Read /usr/share/examples/ppp, man ppp, ppp faq, searched google.
    >
    > Need to know what or why the ppp link is being brought up. Original
    > message with my config and logs below. I was running 4.9-RC and as an
    > attempt to fix it I regressed to 4.8 (the day before 4.9 was released :-)
    >
    > Many thanks in advance,
    > David
    >
    >
    >
    > ---------- Forwarded message ----------
    > Date: Sun, 26 Oct 2003 22:19:10 +0000 (GMT)
    > From: David Carter-Hitchin <david@carter-hitchin.clara.co.uk>
    > To: freebsd-questions@freebsd.org
    > Subject: ppp link always dials when started with -auto?
    >
    > Hi FreeBSD'ers,
    >
    > I've just upgraded to 4.9-RC (from 4.2) and I'm really happy with
    > everything except ppp.
    >
    > Whenever I start ppp (with ppp -auto pmdemand) it immediately starts to
    > dial - after connecting it briefly sends and receives a minimal amount of
    > data then sits there idly.
    >
    > One other problem I've got with my upgrade is that I'm getting pam errors:
    >
    > Oct 26 20:26:25 stoat login: no modules loaded for `login' service
    > Oct 26 20:26:25 stoat login: pam_open_session: Permission denied
    >
    > (related?)
    >
    > I've read the ppp faq and this question is covered and it says sendmail is
    > the often the culprit. This rang loud bells as I saw that the more recent
    > version of sendmail has depreciated the 'nodns' feature. So I tried
    > rebooting without sendmail running, but still the same problem. I tried
    > killing off a few daemons including inetd, lpd, usbd.. but no joy.
    >
    > I added "log All +tcp/ip" to get the full output, but I don't know enough
    > about this stuff to go further. I initially get the following lines in
    > the log:
    >
    > Oct 26 21:17:32 stoat ppp[466]: tun0: TCP/IP: OUT
    > <0>: fe80::240:95ff:fe44:3e11 ---> ff02::1:ff44:3e11 (72)
    >
    > Oct 26 21:17:32 stoat ppp[466]: tun0: TCP/IP: OUT ICMP: :::135 --->
    > ff02::1:ff44:3e11 (16/64)
    >
    > I've uploaded the rest of the conversation to:
    >
    > http://www.carter-hitchin.clara.co.uk/logs/ppp.log.gz
    >
    > My setup is an isolated workstation (no LAN, occasional dialup). Here are
    > some outputs:
    >
    > [516]->uname -a
    > FreeBSD stoat.clara.net 4.9-RC FreeBSD 4.9-RC #0: Sat Oct 18 13:56:46 BST
    > 2003 david@stoat.clara.net:/usr/obj/usr/src/sys/STOAT i386
    >
    > [517]->cat /etc/ppp/ppp.conf
    > default:
    > #set log Phase Chat LCP IPCP CCP tun command
    > set log All
    > ident user-ppp VERSION (built COMPILATIONDATE)
    > set device /dev/cuaa0
    > set speed 115200
    > set dial "ABORT BUSY ABORT NO\\sCARRIER TIMEOUT 5 \
    > \"\" ATM1 OK \\dATDT\\T TIMEOUT 40 CONNECT"
    > enable dns
    >
    > pmdemand:
    > set timeout 300 # 3 mintue idle timer (the
    > default)
    > set phone XXXXXXXXXXXXXXX
    > set authname XXXXX
    > set authkey XXXXXX
    > add default HISADDR # Add a (sticky) default route
    > set ifaddr 10.0.0.1/0 10.0.0.2/0 255.255.255.255
    >
    >
    > [68]->cat /etc/resolv.conf
    > domain=stoat
    > nameserver 195.8.69.7
    > nameserver 195.8.69.12
    >
    > [69]->cat /etc/hosts
    > ::1 localhost localhost.clara.net
    > 127.0.0.1 localhost localhost.clara.net stoat.clara.net
    > 127.0.0.1 stoat stoat.clara.net
    > 127.0.0.1 carter-hitchin.clara.co.uk
    >
    >
    > I'd really appreciate some help here - I'm stuck in being able to
    > identify precisely what is using the link.
    >
    > Many thanks,
    > David.
    >
    >
    >
    >
    >

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