B e t a D r a f t f o r R e v i e w - C i s c o C o n f i d e n t i a l
QoS in a Wireless Environment
Configuring QoS
4
Cisco 3200 Series Wireless MIC Software Configuration Guide
•
Support for separate Temporal Key Integrity Protocol (TKIP) replay detection counters on receive
for each access class and for frames that do not have the QOS control field
The following features of the WMM specification are not supported:
•
Transmission of a packet with the
no ACK required
bit set in the QoS control field
•
End of service period (EOSP) bit in the QoS control field
•
Management action frames
•
TSPEC element
•
Admission control procedure
•
Enforcement of admission control required field
•
Triggered power save delivery
Configuring QoS
QoS is disabled by default. This section describes how to configure QoS on your WMIC.
Before configuring QoS on your WMIC, you should be aware of this information:
•
The most important guideline in QoS deployment is to be familiar with the traffic on your wireless
LAN. If you know the applications used by wireless client devices, the applications’ sensitivity to
delay, and the amount of traffic associated with the applications, you can configure QoS to improve
performance.
•
QoS does not create additional bandwidth for your wireless LAN; it helps control the allocation of
bandwidth. If you have plenty of bandwidth on your wireless LAN, you might not need to configure
QoS.
QoS Configuration Examples
QoS Example Configuration for VLAN
The following example queues all traffic from VLAN100 to the voice queue:
interface fastEthernet 0.1
encapsulation dot1Q 1 native
bridge-group 1
interface fastEthernet 0.100
encapsulation dot1Q 100
bridge-group 100
interface fastEthernet 0.101
encapsulation dot1Q 101
bridge-group 101
interface dot11Radio 0.1
encapsulation dot1Q 1 native
bridge-group 1
interface dot11Radio 0.100
encapsulation dot1Q 100
bridge-group 100