All three CLI access methods covered so far (console, Telnet, and SSH) place the user in an area of the CLI called user EXEC command mode. The EXEC mode part of the name refers to the fact that in this mode, when you enter a command, the switch executes the command and then displays messages that describe the command’s results.
Cisco NX-OS supports restricting users from executing commands in EXEC mode based on their user role. For example, you can use the reload command, which tells the switch to reinitialize or reboot Cisco NX-OS, from network-admin role but not from network-operator mode.
Unlike IOS, Cisco NX-OS does not store or use an enable-secret in the configuration. Each user account is created with its own password ...