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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