SMC Networks 6724AL2, Management Manual

Page: 381 / 424

P
RIORITY
C
OMMANDS
3-193
Default Setting
This switch supports Class of Service by using four egress queues, with
Weighted Round Robin queuing for each port. Eight separate priority
levels are defined in IEEE 802.1p. The default priority levels are
assigned according to recommendations in the IEEE 802.1p standard
as shown in the following table.
Command Mode
Interface Configuration (Ethernet, Port Channel)
Command Usage
CoS assigned at the ingress port is used to select a CoS priority at the
egress port.
Example
The following example shows how to map CoS values 0, 1 and 2 to egress
queue 0, value 3 to egress queue 1, values 4 and 5 to egress queue 2, and
values 6 and 7 to egress queue 3:
Queue
0 1 2 3
Pr
ior
it
y L
e
v
e
l
0
1
2
3
4
5
6
7
Console(config)#interface ethernet 1/1
Console(config-if)#queue cos-map 0 1 2
Console(config-if)#queue cos-map 1 0 3
Console(config-if)#queue cos-map 2 4 5
Console(config-if)#queue cos-map 3 6 7
Console(config-if)#