RADIUS security

The remote authentication dial-in user service (RADIUS) protocol manages authentication, authorization, and accounting (AAA) services centrally.

You can use a Remote Authentication Dial In User Service (RADIUS) server to secure the following types of access to the Layer-2 device or Layer-3 device:

• Telnet access
• SSH access
• Access to the Privileged EXEC level and CONFIG levels of the CLI, using roles pre-defined on the device and sent as attribute in Radius Response.