Username and Password Authentication

User identification can be best carried out with not just a password, but a username and password.

Username accounts can be used for several applications, including console, AUX and VTY lines.

To start a username and password login system, the usernames need to be configured on the device in global configuration mode.

! Creates a user with a Type 0/7 Password
username <username> password <password>
! Creates a user with Type 5 Password
username <username> secret <password>
! Creates a user with a Type 5 Password
username <username> algorithm-type md5 secret <password>
! Creates a user with a Type 7 Password
username <username> algorithm-type sha256 secret <password>
! Creates a user with a Type 9 Password
username <username> algorithm-type scrypt secret <password>