Configuring Authentication, Authorization, and
Accounting
This chapter describes how to configure authentication, authorization, and accounting (AAA) on Cisco Nexus
5000 Series switches. It contains the following sections:
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Information About AAA
AAA Security Services
The authentication, authorization, and accounting (AAA) features allows you to verify the identity of, grant
access to, and track the actions of users managing Cisco Nexus 5000 Series switches. The Cisco Nexus 5000
Series switches support Remote Access Dial-In User Service (RADIUS) or Terminal Access Controller Access
Control device Plus (TACACS+) protocols.
Based on the user ID and password combination that you provide, the Cisco Nexus 5000 Series switches
perform local authentication or authorization using the local database or remote authentication or authorization
using one or more AAA servers. A preshared secret key provides security for communication between the
switch and AAA servers. You can configure a common secret key for all AAA servers or for only a specific
AAA server.
AAA security provides the following services:
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C H A P T E R
Cisco Nexus 5000 Series NX-OS Security Configuration Guide
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