User's Manual

11-8
Cisco 3200 Series Wireless MIC Software Configuration Guide
OL-7734-02
Chapter 11 Configuring QoS in a Wireless Environment
Configuring QoS
Figure 11-2 shows the Radio 802.11G Access Categories page.
Figure 11-2 Radio 802.11G Access Categories Page
CW-min and CW-max Settings for Point-to-Point and Point-to-Multipoint Bridge Links
For best performance on your WMIC links, adjust the CW-min and CW-max contention window settings
according to the values listed in Table 11-2. The default settings, CW-min 3 and CW-max 10, are best
for point-to-point links. However, for point-to-multipoint links, you should adjust the settings depending
on the number of non-root bridges that associate to the root bridge.
Note If packet concatenation is enabled, you need to adjust the CW-min and CW-max settings only
for traffic class 0. Concatenation is disabled by default.
Table 11-1 Default QoS Radio Traffic Class Definitions
Class of Service Min Contention Window Max Contention Window Fixed Slot Time
Background (CoS 1-2) 5 10 6
Best Effort (CoS 0) 5 10 2
Video (CoS 3-5) 5 10 2
Voice (CoS 6-7) 3 4 1