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How to recover or reset admin account password using secondary guest account on 200-Series switch

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TitleHow to recover or reset admin account password using secondary guest account on 200-Series switch
Objective
How to recover or reset \admin account password using secondary guest account on 200-Series switch
Environment
  • 200-Series
  • 210-Series
  • 220-Series
  • All Firmware Versions
Procedure
     1. Log into the switch using username "guest" and no password (blank password) and also get into enable mode:
User:guest
Password:
(Extreme 210) >enable

(Extreme 210) #
     2. Ensure running config is saved to startup-config file by issuing command:
write memory confirm
     3. Copy off the startup-config file to a TFTP server:
(Extreme 210) #copy nvram:startup-config tftp://10.58.0.104/test123.cfg

Mode........................................... TFTP
Set Server IP.................................. 10.58.0.104
Path........................................... ./
Filename....................................... test123.cfg
Data Type...................................... Text Configuration

Management access will be blocked for the duration of the transfer
Are you sure you want to start? (y/n) y
TFTP Text Config transfer starting...

File transfer operation completed successfully.
     4. Modify the configuration file via a text editor to remove the line with the "username admin" then save the file.  For example, delete this line:
username "admin" password 0a51d780be1a0240b8cc7c69fe0479dbf07644e1094b25fb43ebe2f
a72f649e42ad9711bf5c33f9a7eb88efd8b9945347b264e0c52b3a47db05f886caae9f42b level1 encrypted
     5. Copy the config file back to the switch as the new startup-config file:
(Extreme 210) #copy tftp://10.58.0.104/test123.cfg nvram:startup-config

Mode........................................... TFTP
Set Server IP.................................. 10.58.0.104
Path........................................... ./
Filename....................................... test123.cfg
Data Type...................................... Text Configuration
Download configuration file. Configuration will be applied upon next reboot.

Management access will be blocked for the duration of the transfer
Are you sure you want to start? (y/n) y
TFTP Text Config transfer starting...

File transfer operation completed successfully.

(Extreme 210) #
     6. Reboot tye switch and the config will come back up with no password being set on the account you removed:
(Extreme 210) #reload

Are you sure you would like to reset the system? (y/n) y

 
Additional notes
If there's nothing of importance in the configuration file, you can use the following article to reset the switch to factory defaults:

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