[CentOS] hosts fail to negotiate 1000Mbps speed
Chris Mauritz
chrism at imntv.com
Thu Jan 26 02:28:38 UTC 2006
Maciej Z.enczykowski wrote:
>>> IIRC, one does not need a crossover cable to connect between two
>>> gigabit
>>> capable hosts.
>
> Agreed I think gigabit ethernet adapters _have_ to be autosensing of
> MDI (normal) or MDI-X (crossover) to be considered gigabit capable (ie
> within specifications). I expect the crossover adapter may be causing
> enough interference to stop 1gbit from working thus resulting in
> merely 100 mbits.
>
This is new information for me.
> Furthermore it is entirely possible that it's a 100mbit only crossover
> adapter: it might not be crossing all 8 lines since gigabit uses 8
> lines and not 4 like 100mbit...
>
I suspect that may be the case here given the above "new" information.
Cheers,
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