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Keyboard string error in Cisco Switch 3550 using putty or tera term

Hi techis,

Please tell me how to solve this issueerror.JPG

I also tried using mode button for 20 seconds,. but still the same.

switch error.JPG

2 Replies 2

Wilson Bonilla
Level 3
Level 3

Hi

The problem is with the speed you configured when you opened the COM port in your PC... try different speeds that match the one configured at the console port of your switch maybe 115200, 9600, 19200, 57600...that will fix it.

Regards.

Wilson B

Hello,

for default, this switch's model uses 9600 baud value:

  • 9600 baud
  • 8 data bits
  • 1 stop bit
  • No parity

Do you have another console cable?

Regards.