3Com WX1200 3CRWX120695A Configuration Manual page 335

Figure 27 QoS on MAPs—Classification and Marking of Packets from WX to
Clients
MAP receives packet
from WX.
Static CoS
enabled?
No
Look up CoS for
DSCP value and
set packet CoS:
0 - 7 -> 0
8 - 15 -> 1
16 - 23 -> 2
24 - 31 -> 3
32 - 39 -> 4
40 - 47 -> 5
48 - 55 -> 6
56 - 63 -> 7
Map CoS value to MAP forwarding
queue:
0 or 3 -> Background
1 or 2 -> Best Effort
4 or 5 -> Video
6 or 7 -> Voice
Mark 802.11
Service Type
with CoS value.
Transmit packet to client.
The following sections describe in more detail how the WMM QoS mode
works on WX switches and MAPs.
Set packet CoS
with static CoS
Yes
value.
WMM QoS Mode 335