[c-nsp] Questions Regarding Cisco 3750 switches

[Tom Ammon]

Oops, read it a little too fast. Sorry :(

On 4/4/2011 11:21 AM, Pete Templin wrote:
> On 4/4/2011 11:56 AM, Tom Ammon wrote:
>> To change the switch number in a 3750, use "switch X renumber Y" where
>> X is the current switch number, and Y is the one you want it to be (1
>> in this case). Use "show switch" to see how it's currently configured.
>>
> I don't think this will fix the OP's request.
>
> A fresh-out-of-box 3750 will have ports 1/0/N where N is 1-48 and some
> uplink ports of varying numberings (3750X will have G1/1/N and T1/1/N,
> for example).  Doing 'switch 1 renumber Y' will only change the ports to
> be Y/0/N, GY/1/N, and TY/1/N.
>
> As far as the other question, a 3750X is allowing me to do 'speed auto
> 10 100', and if I'm at 'speed auto 10' and hit the question mark, I see:
>
>     100   Include 100 Mbps in auto-negotiation advertisement
>     1000  Include 1000 Mbps in auto-negotiation advertisement
> <cr>
>
> I presume that'll do what you wish.  I suspect it'll still operate at
> 1000 if you do 'speed auto 10 100' and the other side sends GE link
> pulses, but don't know for certain.
>
> pt
>

-- 
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Tom Ammon
Network Engineer
M: (801)674-9273
tom.ammon at utah.edu

Center for High Performance Computing
http://www.chpc.utah.edu
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