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Beginner

I uploaded 12.55SE5 to a 3750

I uploaded 12.55SE5 to a 3750 with 115200 BAUD speed and I got the same issue.

I just unplugged/plugged the powercord and pushed the mode button to get the switch: prompt

Did a "set BAUD 9600"

Change the BAUD rate of your terminal app (minicom in my case) otherwise you get garbage

reset

I saw the IOS booting but the last minute the config changed the speed again to 115200

I changed my terminal app to 115200 and changed the following

line con 0

speed 9600

write mem

reload and all back to normal

It looks like the IOS config takes the console speed on the initial load after the xmodem (set BAUD 115200) and puts that in the config.

If you change the BAUD speed again in rom mon the config doesn't get updated it seems.

my 5cc

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Beginner

Re: 3750 recovery BAUD setting

If you use Xmodem and used set BAUD 115200, make sure you do NOT boot the switch after XModem is done transferring.   Once it is done transfering do this:

 

set BAUD 9600
 


run the boot command
 
switch: boot flash:c3750-ipbasek9-mz.122-25.SEE3.bin or whichever file is in your flash after transferring
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