[c-nsp] Confirmation of Gigabit Ethernet autonegotiation behavior

[Gert Doering]

Hi,

On Fri, Jan 25, 2013 at 09:54:54AM +0100, Peter Rathlev wrote:
> So it seems 1000BASE-T cannot work without MASTER/SLAVE selection which
> is one part of auto-negotiation. On the other hand 1000BASE-X can work
> without auto-negotiation (AFAICT) but if Cisco uses this or not I don't
> know.

That's the "speed nonegotiate" bit.  Which nicely breaks links if one side
is set to negotiation on and the other to off.  Like, with Carriers providing
GigE links on fiber with autoneg turned off...

gert

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Gert Doering - Munich, Germany                             gert at greenie.muc.de
fax: +49-89-35655025                        gert at net.informatik.tu-muenchen.de
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