[c-nsp] mdix question for the 3750

Joe Maimon jmaimon at ttec.com
Wed Jul 13 14:46:08 EDT 2005



Mikael Abrahamsson wrote:
> On Tue, 12 Jul 2005, Michael Loftis wrote:
> 
> 
>>I don't know about the 3750's (not having tested_ but historically setting
>>the speed parameters would disable all automatic negotiations of speed, and
>>duplex, and I'd imagine now the mdi/mdix functionality.  You can lock it in
> 
> 
> In my experience, doing:
> 
> speed 100
> duplex auto
> 
> will still do autoneg.
> 
> duplex full
> speed auto
> 
> will also do autoneg. The good thing is that if the other end has 100/full 
> or 10/full, it will work properly, because speed can always be detected 
> even without autoneg being enabled at the other end.
> 
> I have a two year old (at least) feature request in with cisco to not 
> disable autoneg when both speed and duplex is set, but to (as far as I 
> know) no avail.
> 
Thought you could do

speed auto 100

on the c2950 at least



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