
Chapter 6 Configuring WLANs
Configuring Wireless LANs
Enabling 7920 Support Mode
The 7920 support mode contains two options:
•Support for 7920 phones that require call admission control (CAC) to be configured on and advertised by the client device (these are typically older 7920 phones)
•Support for 7920 phones that require CAC to be configured on and advertised by the access point (these are typically newer 7920 phones)
Note When
Enter this command to enable 7920 support mode for phones that require
config wlan
Note You cannot enable both WMM mode and
Enter this command to enable 7920 support mode for phones that require
config wlan
QBSS Information Elements Sometimes Degrade 7920 Phone Performance
If your wireless LAN contains both 1000 series access points and Cisco 7920 wireless phones, do not enable the WMM or
config wlan
config wlan wmm [allow require]
The information sent by 1000 series access points in the WMM and
config wlan 7920-support client-cac-limit enable wlan-id
The
Cisco Wireless LAN Controller Configuration Guide
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