Administrator Guide

session, the system does not allow any attempt to login since maximum concurrent sessions have reached even
though more VTY lines are available. You are allowed to login as a different user as more VTY lines are available.
The following example enables you to clear your existing login sessions.
DellEMC(config)#login concurrent-session clear-line enable
Example of Clearing Existing Sessions
When you try to log in, the following message appears with all your existing concurrent sessions, providing an option to close any one of
the existing sessions:
$ telnet 10.11.178.14
Trying 10.11.178.14...
Connected to 10.11.178.14.
Escape character is '^]'.
Login: admin
Password:
Current sessions for user admin:
Line Location
2 vty 0 10.14.1.97
3 vty 1 10.14.1.97
Clear existing session? [line number/Enter to cancel]:
When you try to create more than the permitted number of sessions, the following message appears, prompting you to close one of the
existing sessions. If you close any of the existing sessions, you are allowed to login.
$ telnet 10.11.178.17
Trying 10.11.178.17...
Connected to 10.11.178.17.
Escape character is '^]'.
Login: admin
Password:
Maximum concurrent sessions for the user reached.
Current sessions for user admin:
Line Location
2 vty 0 10.14.1.97
3 vty 1 10.14.1.97
4 vty 2 10.14.1.97
5 vty 3 10.14.1.97
Kill existing session? [line number/Enter to cancel]:
Enabling Secured CLI Mode
The secured CLI mode prevents the users from enhancing the permissions or promoting the privilege levels.
• Enter the following command to enable the secured CLI mode:
CONFIGURATION Mode
secure-cli enable
After entering the command, save the running-configuration. Once you save the running-configuration, the secured CLI mode is enabled.
If you do not want to enter the secured mode, do not save the running-configuration. Once saved, to disable the secured CLI mode, you
need to manually edit the startup-configuration file and reboot the system.
Changing System Logging Settings
You can change the default settings of the system logging by changing the severity level and the storage location.
The default is to log all messages up to debug level, that is, all system messages. By changing the severity level in the logging commands,
you control the number of system messages logged.
To specify the system logging settings, use the following commands.
• Specify the minimum severity level for logging to the logging buffer.
CONFIGURATION mode
Management
63