Deployment Guide

aaa reauthenticate enable
Enable re-authentication of user whenever there is a change in the authenticators.
Syntax
aaa reauthenticate enable
To disable the re-authentication option, use the no aaa reauthenticate enable command.
Defaults Disabled
Command Modes CONFIGURATION
Command History
This guide is platform-specic. For command information about other platforms, see the relevant Dell EMC
Networking OS Command Line Reference Guide.
Version Description
9.11(0.0) Introduced this command.
Usage Information
When an operating system enables to change the user authenticators, the users might access resources and
perform tasks that they do not have authorization.
Once re-authentication is enabled, Dell EMC Networking OS prompts the users to re-authenticate whenever there
is a change in authenticators.
The change in authentication happens when:
• Add or remove an authentication server (RADIUS/TACACS+)
• Modify an AAA authentication/authorization list
• Change to role-only (RBAC) mode
The re-authentication is also applicable for authenticated 802.1x devices. When there is a change in the
authentication servers, the supplicants connected to all the ports are forced to re-authenticate.
Example
DellEMC(config)#aaa reauthenticate enable
DellEMC(config)#aaa authentication login vty_auth_list radius
Force all logged-in users to re-authenticate (y/n)?
DellEMC(config)#radius-server host 192.100.0.12
Force all logged-in users to re-authenticate (y/n)?
banner exec
Congure a message that is displayed when your enter EXEC mode.
Syntax
banner exec c line c
To delete a banner, use the no banner exec command.
Parameters
c Enter the keywords banner exec, then enter a character delineator, represented here
by the letter c. Press ENTER.
326 Security