[c-nsp] C3550-12T - Gig copper ports won't link at 1Gb

[Keegan Holley]

Have you tried removing all commands related to spd/dup on both ends and seeing what it negotiates?  Also you haven't mentioned what's on the other end or how its configured.

Sent from my iPhone

On Apr 15, 2012, at 6:09 PM, graham <graham at g-rock.net> wrote:

> Hi there,
> 
> Anyone out there still using this older switch?  I just pulled one out of
> the closet - and having a heck of a time getting the switchports to actually
> link up at 1Gb.  I have a couple of 1Gb capable devices (servers, other
> routers, etc) that do 1Gb all day long on other Cisco switches - but not on
> the 3550-12T.  Remember, this is the switch that has (10) 10/100/1000 BaseTX
> and (2) 1000 Gbic slots ..
> 
> I have tried to put the copper interface into "speed auto 1000" as well as
> "speed 1000" (with the other side matching) and always results in a
> not-connect. The command 'speed nonegotiate' doesn't exist.
> 
> Seems that 100-Full is the best I can get it.
> 
> It's running the last IOS for it, c3550-ipservicesk9-mz.122-44.SE6.bin.
> 
> Any guidance would be appreciated.  Thanks!
> 
> -graham
> 
> 
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