Local usernames with no password

There are two ways you can configure local usernames without a password:

  • By using the username user command without the password option, you create a username that has a blank password (the operator has to press ENTER at the Password: prompt)
  • With the username user nopassword command, you create a user where the operator will not be prompted for the password at all.
Hopefully, you would use such usernames only with the autocommand option to give guest users a short overview of the router's operation (for example, display the interface status).

Note: this article is part of You've asked for it series.

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Ivan Pepelnjak, CCIE#1354 Emeritus, is an independent network architect. He has been designing and implementing large-scale data communications networks as well as teaching and writing books about advanced technologies since 1990. See his full profile, contact him or follow @ioshints on Twitter.