On 07/22/2014 10:27 AM, Corinna Vinschen wrote:
On Jul 22 22:19, Ed Greshko wrote:
On 07/22/14 00:34, Robert Moskowitz wrote:
Crossover cable. Is that enough of a 'same network'?
FWIW, I've not seen the need to use crossover cables in years. Even
when connected peer-to-peer the HW is now capable to detect this
situation and auto configure itself using standard cables.
Depends on the network speed of the involved NICs, usually. 10 or 100
Mbit/s NICs typically need crossover cables, 1G NICs and faster provide
auto-negotiation(*).
(*) http://en.wikipedia.org/wiki/Medium_Dependent_Interface#Auto_MDI-X
There are SOME 100Mb that work OK. But watch for the 2 wire 100Mb with
POE coming out probably in a year or two. The target market is for
sensors (in buildings) or car networks. Vastly lowered wire costs.
No crossover needed, as it is all on 1 pair of wires!
The 1 pair PoDL is 802.3bu. The 100Mb is still a study group. I think
the PAR will be ready for the November meeting.
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