> >> I would imagine a 10/100 PHY is not a simple thing and may require
> >> more expensive/alternative/additional steps chip manufacturing
> >> process (for
> >> the analog) than is needed otherwise.
> >
> > Possibly, so skip the 100 part.  That's pointless anyway on a small
> > microcontroller and with any modern ethernet switch.
....
>=20
> While I agree with all this in theory, in practice I don't want my
> product to be the first and only thing that tests/requires the
> customer's 10/100 switch to work flawlessly at 10mbits for the port(s)
> it is plugged into.  Should it all be no problem, ever?  Yes.  Will it?
>   well... given the difficulty of doing remote support/troubleshoot of
> why "the switch works ok with everything else" but not my product I'd
> rather pay a little more and be 100mbit like nearly everything else in
> the common computer/IT networking world.

I would tend to agree with this attitude - I would call it 'forward compati=
bility' as a distinction from the 'backward compatibility' you are expectin=
g the router or hub to have.
--=20
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--=20
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