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Configuring and Enabling RADIUS
Starting RADIUS Accounting
The AAA accounting feature tracks the services that users are accessing and the amount of network
resources that they are consuming. When AAA accounting is enabled, the bridge reports user activity to
the RADIUS security server in the form of accounting records. Each accounting record contains
accounting attribute-value (AV) pairs and is stored on the security server. This data can then be analyzed
for network management, client billing, or auditing.
To enable RADIUS accounting for each Cisco IOS privilege level and for network services, follow these
steps, beginning in privileged EXEC mode:
Command
Step 1
configure terminal
Step 2
aaa accounting network start-stop
radius
Step 3
ip radius source-interface bvi1
Step 4
aaa accounting update periodic minutes Enters an accounting update interval in minutes.
Step 5
end
Step 6
show running-config
Step 7
copy running-config startup-config
To disable accounting, use the no aaa accounting {network | exec} {start-stop} method1... command
in global configuration mode.
Configuring Settings for All RADIUS Servers
To configure global communication settings between the bridge and all RADIUS servers, follow these
steps, beginning in privileged EXEC mode:
Command
Step 1
configure terminal
Step 2
radius-server key string
Step 3
radius-server retransmit retries
Step 4
radius-server timeout seconds
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Purpose
Enters global configuration mode.
Enables RADIUS accounting for all network-related service requests.
Configures the bridge to send its Bridge-Group Virtual Interface (BVI)
IP address in the NAS_IP_ADDRESS attribute for accounting records.
Returns to privileged EXEC mode.
Verifies your entries.
(Optional) Saves your entries in the configuration file.
Purpose
Enters global configuration mode.
Specifies the shared secret text string to be used between the bridge and all
RADIUS servers.
The key is a text string that must match the encryption key that is
Note
used on the RADIUS server. Leading spaces are ignored, but spaces
within and at the end of the key are used. If you use spaces in your
key, do not enclose the key in quotation marks unless the quotation
marks are part of the key.
Specifies the number of times that the bridge sends each RADIUS request
to the server before giving up. The default is 3; the range 1 to 1000.
Specifies the number of seconds that a bridge waits for a reply to a RADIUS
request before resending the request. The default is 5; the range is from 1
to 1000.
Administering the WMIC
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