Specifications

Cisco Unified Wireless IP Phone 7921G Series Deployment Guide 49
cnf-file perphone
create cnf-files
For more information on these features, see the Cisco Unified Wireless IP Phone 7921G Administration Guide or the Cisco
Unified Wireless IP Phone 7921G Release Notes.
http://www.cisco.com/en/US/products/hw/phones/ps379/prod_maintenance_guides_list.html
http://www.cisco.com/en/US/products/hw/phones/ps379/prod_release_notes_list.html
Configuring the Cisco Unified Wireless LAN Controller and Access
Points
When configuring the access points, use the following guidelines:
Set “Quality of Service (QoS)” to “Platinum”.
Ensure the “WMM Policy” is set to “Allowed” or Required
Ensure “Aironet IE” is enabled
Disable “P2P (Peer to Peer) Blocking Action” / “Public Secure Packet Forwarding (PSPF)”
Disable DHCP Address Assignment
Ensure “MFP Client Protection” is set to disabled or optional
Ensure “Client Band Select” is not enabled
Ensure Admission Control Mandatoryis “Enabled” for Voice
Ensure Load-based CACis “Enabled” for Voice
Ensure Admission Control Mandatoryis “Disabled” for Video
Ensure the “EDCA Profile” is set to “Voice Optimized”
Ensure “Enable Low Latency MAC” is disabled
Ensure “Aggressive Load Balancing” in the Controller configuration or Client Load Balancing” in the WLAN
configuration are disabled
Enable “Symmetric Mobile Tunneling Mode if Layer 3 mobility is being used
Ensure “ARPUnicast” is disabled, where proxy ARP will then be enabled
Ensure that “DTPC” is “Enabled”
Enable “Short Preamble” if using 2.4 GHz
Note: If clients from other regions are present and will attempt to associate with the wireless LAN, then ensure that World
Mode (802.11d) is enabled.
When using 802.1x authentication, it is recommended to implement CCKM to offer fast secure roaming.
SSID / WLAN Settings
The SSID to be used by voice clients can be configured to only apply to a certain 802.11 radio type.