Dell Command Line Reference Guide for the S4048–ON System 9.14.2.5

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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-specific. 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)?

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