The chapter covers implementing the
two widely used security protocols in access management: RADIUS and TACACS+ protocols.
Chapter 9, "Cisco Secure ACS Software and Appliance," provides details of Cisco Secure Access Control
Server (ACS) software that supports the AAA technology and security protocols covered in Chapter 8. The
chapter highlights the commonly use ACS software functions and features.
Chapter 10, "Multifactor Authentication," describes the identification and authentication mechanism using
the multifactor authentication system. The chapter introduces common two-factor mechanisms.
Chapter 11, "Layer 2 Access Control," covers the Cisco trust and identity management solution based on
the Identity-Based Networking Services (IBNS) technique. The chapter provides details of implementing
port-based authentication and controlling network access at Layer 2 using IEEE 802.1x technology.
Chapter 12, "Wireless LAN (WLAN) Security," provides an overview of wireless LAN (WLAN) and details of
securing WLAN networks. The chapter covers various techniques available to protect WLAN and expands
on the various EAP protocols, including EAP-MD5, EAP-TLS, EAP-TTLS, EAP-FAST, PEAP, and Cisco LEAP.
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