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l : linux-ppp@vger.kernel.org 3 April 2008 • 12:13PM -0400

Re: LCP Renegotiates After IP Connection
by Paul Mackerras

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Bill Unruh writes:

> > If you read section 5.1 ("Configure-Request") of RFC 1661, it
> > discusses how the Identifier is chosen, and explains that
> > implementations are permitted to leave the ID field unchanged.
> > Retransmit can be exactly that: retransmit, don't generate a new one
> > from scratch.  That's how pppd does it.
>
> Can be. But why make it so.

The main reason I made it like this is that this way, it has some
chance of working on a link where the round-trip latency is more than
the retransmit interval.

> Then I would follow that. Agreed. But it could have been "We just purchased
> 5000 of those things at a really cheap non-returnable deal. You better make
> them work."

Then you hack pppd for that particular situation (you have the source,
after all), but you don't pretend that your hack is necessarily a good
thing for everyone to use.

Paul.
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