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Message-ID: <39F9210E.B728D4F8@elischer.org>
Date: Thu, 26 Oct 2000 23:30:38 -0700
From: Julian Elischer <julian@elischer.org>
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To: gcorcoran@lucent.com
Cc: Aaron Hill <hillaa@hotmail.com>, freebsd-questions@FreeBSD.ORG,
	freebsd-net@FreeBSD.ORG
Subject: Re: More on PPPoE & ADSL (Telstra Bigpond)
References: <F50iFEW6sStwNeKjUbE00001146@hotmail.com> <39F8C29F.D785C588@lucent.com>
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"Gary T. Corcoran" wrote:
> 

> [Quick background: I implemented PPPoE in our DSL drivers for the Lucent DSL adapters]

Under Windows I presume?
No BSD drivers? :-)

> 
> Yes, the only tag REQUIRED in the PADI is a Service-Name tag, which has
> to match what the service provide wants, and may possibly be of zero length.
> 
> > The RFC doesn't explicitly mention
> > what order the tags should be in.  It's entirely plausible that the ISPs
> > equipment has a requirement (bug?) that the service name comes last.
> 
> It could be.  Do you know what brand of head-end equipment you're trying
> to communicate with?   In any event, since only a Service-Name is required,
> if you send ONLY a Service-Name, then it will meet the bugs (requirements)
> of head-ends that might require it to be first _or_ last.  In other words,
> why send the Host-Uniq at all - unless you have a specific need for it?
> In my drivers, I only send Service-Name in the PADI...
> (but we haven't tested in Australia...  :-)

I match the returning packets to the outgoing packets using the
Host-uniq.
because I have the capacity to run several pppoe sessions concurrently
(should the cable/DSL provider provide service to several ISPs)
 
> 
> Gary

-- 
      __--_|\  Julian Elischer
     /       \ julian@elischer.org
    (   OZ    ) World tour 2000
---> X_.---._/  presently in:  Budapest
            v


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