Configuring Cisco Ios Access Points; Configuring Switch Ports For Wired Ip Phones; Sample Voice Packet Capture - Cisco 8800 Series Deployment Manual

Configuring Cisco IOS Access Points

Use the following QoS policy on the Cisco IOS access point (AP) to enable DSCP to CoS (UP) mapping. This allows packets to
be placed into the proper queue as long as those packets are marked correctly when received at the access point level.
class-map match-all Voice
match ip dscp ef
class-map match-all CallControl
match ip dscp cs3
!
policy-map Voice
class Voice
set cos 6
class CallControl
set cos 4
!
interface dot11radioX
service-policy input Voice
service-policy output Voice

Configuring Switch Ports for Wired IP Phones

Enable the Cisco wired IP phone switch ports for Cisco phone trust.
Below is a sample switch configuration:
mls qos
!
Interface X
mls qos trust device cisco-phone
mls qos trust dscp

Sample Voice Packet Capture

The packet capture below displays a voice packet bound for the Cisco IP Phone 8800 Series over the air being marked as DSCP
= EF and UP = 6.
Cisco IP Phone 8800 Series Wireless LAN Deployment Guide
23