Date: Thu, 26 Oct 2000 23:30:38 -0700 From: Julian Elischer <julian@elischer.org> 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) Message-ID: <39F9210E.B728D4F8@elischer.org> 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
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