[CentOS] hosts fail to negotiate 1000Mbps speed

Bruno S. Delbono Bruno.S.Delbono at Mail.AC
Thu Jan 26 02:02:44 UTC 2006


* on the Wed, Jan 25, 2006 at 08:54:56PM -0500, Chris Mauritz was tippering:
> Bruno S. Delbono wrote:
> >* on the Wed, Jan 25, 2006 at 05:40:41PM -0800, Akop Pogosian was 
> >tippering:
> >  
> >>I am trying to connect two workstations (CentOS 3&4) directly using a
> >>straight through cat 5e cable with a crossover adapter on one of the
> >>ends. Both hosts have gigabit-capable ethernet card. According to
> >>lspci host 1 has:
> >>    
> >
> >IIRC, one does not need a crossover cable to connect between two gigabit
> >capable hosts.
> >
> >You can give it a shot.
> >  
> 
> Perhaps I'm just dense, but how would two ethernet cards talk to 
> eachother over a straight ethernet cable?  I don't profess to be an 
> expert in gigabit ethernet protocols, but I believe it HAS to be a 
> crossover cable if you want to directly connect two hosts.
>  If that's not the case, someone please correct me.

From what I remember, perhaps this was an apple only thing.  Apples
implementation of Gigabit Ethernet needs no crossover cable to connect two
computers together. The adapter senses the other Mac and handles the crossover
automatically.

-- 
Bruno Delbono
Open-Systems Group Inc.
http://www.open-systems.org/users/bruno/
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