[c-nsp] Questions Regarding Cisco 3750 switches

Tom Ammon tom.ammon at utah.edu
Mon Apr 4 12:56:36 EDT 2011


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.

Tom

On 4/4/2011 10:52 AM, Drew Weaver wrote:
> Hello,
>
> I am looking for a top of rack switch for a little project and the 3750 has caught my eye.. I had a few odd questions about it however.
>
> First, can you enable auto-negotiate on the 10/100/1000 ports that will only allow the host to negotiate 10/100 unless you want them to negotiate 10/100/1000?
>
> I believe there is a command in some 10/100/1000 switches that limits the maximum negotiation speed to 100Mbps or 10Mbps without having to set the speed/duplex manually.
>
> Second, is there any way with a switch like this to alter the port number?
>
> instead of GigabitEthernet0/1 it would be GigabitEthernet1/1? I know this seems trivial but some custom written software for whatever reason starts counting at 1/1 and goes to 1/48 (probably because it was made for 6500s)
>
> thanks,
> -Drew
>
>
>
>
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---------------------------------------------------
Tom Ammon
Network Engineer
M: (801)674-9273
tom.ammon at utah.edu

Center for High Performance Computing
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