Wireless
Networks
Cisco WAP571/E Administration Guide 92
5
When the first wireless client tries to authenticate with the WAP device, the
WAP device sends an authentication request to the primary server. If the
primary server responds to the authentication request, the WAP device
continues to use this RADIUS server as the primary server, and
authentication requests are sent to the address you specify.
The IPv4 address should be in a form similar to xxx.xxx.xxx.xxx (192.0.2.10).
The IPv6 address should be in a form similar to
xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx (2001:DB8::CAD5:7D91).
• Server IP Address 2 to 4 or Server IPv6 Address 2 to 4—Up to three IPv4
or IPv6 backup RADIUS server addresses.
If authentication fails with the primary server, each configured backup
server is tried in sequence.
• Key—The shared secret key that the WAP device uses to authenticate to
the primary RADIUS server.
You can use up to 63 standard alphanumeric and special characters. The
key is case sensitive and must match the key configured on the RADIUS
server. The text you enter is shown as asterisks.
• Key 2 to Key 4—The RADIUS key associated with the configured backup
RADIUS servers. The server at Server IP (IPv6) Address 2 uses Key 2, the
server at Server IP (IPv6) Address 3 uses Key 3, and so on.
• Enable RADIUS Accounting—Enables tracking and measuring of the
resources a particular user has consumed, such as system time, amount of
data transmitted and received, and so on.
If you enable RADIUS accounting, it is enabled for the primary RADIUS
server and all backup servers.
• Active Server—Enables administratively selecting the active RADIUS
server, rather than having the WAP device attempt to contact each
configured server in sequence and choose the first server that is up.
• Broadcast Key Refresh Rate—The interval at which the broadcast (group)
key is refreshed for clients associated with this VAP.
The default is 300. The valid range is from 0 to 86400 seconds. A value of 0
indicates that the broadcast key is not refreshed.
• Session Key Refresh Rate—The interval at which the WAP device
refreshes session (unicast) keys for each client associated with the VAP.
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