Configuring System Authentication

You can configure RADIUS or TACACS+ authentication, or both, as a method for authenticating users who attempt to access the router. This chapter includes information about how to configure RADIUS or TACACS+authentication, create template accounts to authenticate multiple users, configure a local fallback method in the event the RADIUS or TACACS+ server is unavailable, and configure an authentication order.

This chapter provides information about how to configure user authentication on the router. This chapter includes the following topics:

• Configuring RADIUS Authentication
• Configuring TACACS+ Authentication
• Specifying a Source Address for RADIUS and TACACS+ Servers
• Configuring the Same Authentication Service for Multiple TACACS+ Servers
• Configuring Template Accounts for RADIUS and TACACS+ Authentication
• Configuring the Authentication Order
• Examples: Configuring System Authentication
• Recovering the Root Password

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