Configuring quality of service 421
Nortel WLAN—Security Switch 2300 Series Configuration Guide
Table 25 lists the default mappings between internal CoS values on an AP and the forwarding queues.
To display CoS mappings and queue usage statistics on an AP, see “Displaying AP forwarding queue statistics” on
page 440.

Table 22: WMM Priority Mappings

CoS WMM User
Priority 802.1p IP ToS IP Precedence DSCP AP Forwarding
Queue
0 0 0 0 0 0 Best Effort
1 1 1 0x20 1 8 Background
2 2 2 0x40 2 16 Background
3 3 3 0x60 3 24 Best Effort
4 4 4 0x80 4 32 Video
5 5 5 0xa0 5 40
6 6 6 0xc0 6 48 Voice
77 7 0xe0 7 56

Table 23: CoS-to-AP-Forwarding-Queue Mappings

CoS AP Forwarding Queue
(Access Category)
1 or 2 Background
0 or 3 Best Effort
4 or 5 Video
6 or 7 Voice