> # Configuring the Default RADIUS Server Encryption Type and Preshared Key

> ## Detailed Steps

> To configure the default RADIUS server encryption type and preshared key, follow these steps:

> 1. Expand Switches > Security > AAA, and then select RADIUS.

> You see the RADIUS configuration in the Information pane.

> 2. Click the Defaults tab.
> 3. Select plain or encrypted from the AuthType drop-down menu.
> 4. Set the key in the Auth Key field.
> 5. Click the Apply Changes icon to save the changes.

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