Cisco Unified IP Phone 9971 Wireless LAN Deployment Guide
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•
Select the
Platinum
QoS profile for the WLAN when using Cisco Unified Wireless LAN Controller technology and
set the 802.1p tag to
5.
•
Enable Differentiated Services Code Point (DSCP) preservation on the Cisco IOS switch.
Note:
Voice and interactive video frames will be marked with DSCP AF41 and WMM UP 5 for video calls.
For more information about TCP and UDP ports used by the Cisco Unified IP Phone 9971 and the Cisco Unified
Communications Manager, refer to the Cisco Unified Communications Manager TCP and UDP Port Usage
document at this
URL:
http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/port/8_6_1/portlist861.html
Configuring QoS in Cisco Unified Communications Manager
The SIP DSCP values are configured in the Cisco Unified Communications Manager enterprise parameters. Cisco Unified
Communications Manager uses the default value of CS3 to have devices set the DSCP marking for SIP packets as shown in the
Enterprise Parameters Configuration page.
Configuring QoS Policies for the Network
Set up QoS policies and settings for the following network devices.
Configuring Cisco Switch Ports
Configure the Cisco Unified Wireless LAN Controller and Cisco Access Point switch ports as well as any uplink switch ports.
Configure the Cisco Unified Wireless LAN Controller for trust COS.
Below is a sample switch configuration for the Cisco Unified Wireless LAN controller:
mls qos
!
interface X
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