CHAPTER 36
Configuring RADIUS
The RADIUS security system is a distributed client/server system that secures networks against unauthorized
access. In the Cisco implementation, RADIUS clients run on Cisco devices and send authentication requests
to a central RADIUS server that contains all user authentication and network service access information.
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Finding Feature Information, page 901
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Prerequisites for Configuring RADIUS, page 901
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Restrictions for Configuring RADIUS, page 902
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Information about RADIUS, page 903
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How to Configure RADIUS, page 924
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Configuration Examples for RADIUS, page 940
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Additional References for RADIUS, page 942
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Feature Information for RADIUS, page 944
Finding Feature Information
Your software release may not support all the features documented in this module. For the latest caveats and
feature information, see Bug Search Tool and the release notes for your platform and software release. To
find information about the features documented in this module, and to see a list of the releases in which each
feature is supported, see the feature information table at the end of this module.
Use Cisco Feature Navigator to find information about platform support and Cisco software image support.
To access Cisco Feature Navigator, go to http://www.cisco.com/go/cfn. An account on Cisco.com is not
required.
Prerequisites for Configuring RADIUS
This section lists the prerequisites for controlling Switch access with RADIUS.
General:
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RADIUS and Authentication, Authorization, and Accounting (AAA) must be enabled to use any of the
configuration commands in this chapter.
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
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