From owner-freebsd-net  Wed Jun 19 17: 0:26 2002
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Date: Wed, 19 Jun 2002 16:49:40 -0700 (PDT)
From: Julian Elischer <julian@elischer.org>
To: rob@the-rob.com
Cc: net@freebsd.org, brian@freebsd.org
Subject: Re:Issues_with_PPPoE_and_4.6
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On Wed, 19 Jun 2002 rob@the-rob.com wrote:

> > do the tcpdump with the windows box doing the pppoe..
> > i.e. put them on the same ehternet segment. the BSD box just
> > listenning...
> >
> 
> <snip entertaining conversation :-) >
> 
> > etc.
> >
> > this actually sounds like a FreeBSD (foo) problem.
> >
> > 1/ firstly we didn't respond to the initial session (at least not quick
> > enough) (why not...? 2 seconds is more than enough time)
> > 2/ We didn't abort when the link was closed..
> 
> 
> Here is the windows dump Hope it helps.
> 
> 18:09:12.652151 0:1:2:26:2d:a2 Broadcast 8863 60: PPPoE PADI
    [Host-Uniq UTF8]

PC: "you there tower?"

> 18:09:12.682797 0:2:4b:a4:b7:87 0:1:2:26:2d:a2 8863 77: PPPoE PADO
    [Host- Uniq UTF8] [Service-Name] [AC-Name "miwi-6400-inet-nrp0"]
    [AC-Cookie UTF8]

ISP: yep


> 18:09:12.682878 0:1:2:26:2d:a2 0:2:4b:a4:b7:87 8863 60: PPPoE PADR
    [Host- Uniq UTF8] [Service-Name] [AC-Cookie UTF8]

PC: "got a session for me?"

> 18:09:13.070138 0:2:4b:a4:b7:87 0:1:2:26:2d:a2 8863 60: PPPoE PADS
    [ses 0x326] [Host-Uniq UTF8] [Service-Name] [AC-Cookie UTF8]

ISP: "yep, try 0x326"


> 18:09:13.072777 0:1:2:26:2d:a2 0:2:4b:a4:b7:87 8864 60: PPPoE  [ses 0x326]
     LCP 12: Conf-Req(1), Magic-Num=703d0c48

PC: (on session 326:   "startup ppp"

totoal time elapsed 0.420626 seconds..


so the problem is definitly with the FreeBSD..

BTW I assume you DID power down the modem between sessions?
sometimes they remember MAC addresses.. and add confusion.


now what would be good would be simultaneously recording a tcpdump session
of the first few packets and showing a verbose ppp log .. 

set the following for ppp.

  set log +lcp ipcp phase tun command ccp





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