- Connect to the Serial port on the back of the switch with a serial cable. (Putty on Windows works well)
- The defaults for connecting to the serial port are 38400 baud, 8 data bits, no parity, 1 stop bit, no flow control.
- Confirm that you have an active serial connection by pressing enter a couple of times. You should receive a login screen
- Once you have successfully connected to the serial port restart the switch by unplugging the power. (Either from back or from the power strip, my preferred method is the back)
- The switch will start its POST process.
- Look for the line “Autoboot in 2 seconds - press RETURN or Esc. to abort and enter prom.” (Please note: Do not hold down Esc. or Enter. Only press it once.)
- You will know that you interrupted the boot sequence when you are prompted with a startup menu. Select option 3 “Password Recovery Procedure”.
- The screen will display “The current password will be ignored!”. Press Enter to reboot the switch.
- Once the switch has restarted login with the default admin user and no password. This will work on either the terminal or the web interface. Proceed to create / modify users and passwords. This does not reset the rest of the configuration, just user accounts.
- Once you have your new credentials reboot the switch again. Document the credentials.
- Verify that your new credentials work by logging into either the web interface for the command line interface.
- Disconnect the cable and store it safely.
Monday, September 13, 2010
How to Reset the Password(s) on a Linksys SRW248G4 Switch
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