Nortel 2350 用户指南
Configuring quality of service 349
Nortel WLAN—Security Switch 2300 Series Configuration Guide
Figure 1.
QoS on WSSs—Classification of Ingress Packets
WSS receives packet.
Yes
No (802.1p = 0)
802.1p value
Set packet CoS
1 -> 1
2 -> 2
3 -> 3
4 -> 4
5 -> 5
6 -> 6
7 -> 7
2 -> 2
3 -> 3
4 -> 4
5 -> 5
6 -> 6
7 -> 7
based on 802.1p:
that is not 0?
DSCP value
that is not 0?
that is not 0?
Look up CoS for
DSCP value and
DSCP value and
8 - 15 -> 1
16 - 23 -> 2
24 - 31 -> 3
32 - 39 -> 4
40 - 47 -> 5
48 - 55 -> 6
56 - 63 -> 7
24 - 31 -> 3
32 - 39 -> 4
40 - 47 -> 5
48 - 55 -> 6
56 - 63 -> 7
Yes
No (DCSP = 0)
set packet CoS:
ACE on egress VLAN
or AP sets CoS?
or AP sets CoS?
Yes
No
Set packet CoS
to ACE CoS value.
to ACE CoS value.
Use CoS mapped
from DSCP or
802.1p, or leave
CoS unset if 802.1p
and DSCP are both 0.
from DSCP or
802.1p, or leave
CoS unset if 802.1p
and DSCP are both 0.
Mark egress packet.
0 - 7 -> 0