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C
L
OMMAND
INE
Default Setting
This switch supports Class of Service by using eight priority queues,
with Weighted Round Robin queuing for each port. Eight separate
traffic classes are defined in IEEE 802.1p. The default priority levels
are assigned according to recommendations in the IEEE 802.1p
standard as shown below.
Queue
Priority
Command Mode
Interface Configuration (Ethernet, Port Channel)
Command Usage
• CoS values assigned at the ingress port are also used at the egress port.
• This command sets the CoS priority for all interfaces.
Example
The following example shows how to change the CoS assignments to a
one-to-one mapping.
Console(config)#interface ethernet 1/1
Console(config-if)#queue cos-map 0 0
Console(config-if)#queue cos-map 1 1
Console(config-if)#queue cos-map 2 2
Console(config-if)#exit
Console#show queue cos-map ethernet 1/1
Information of Eth 1/1
Cos Value
Priority Queue: 0 1 2 3 4 5 6 7
Console#
Related Commands
show queue cos-map (4 -266)
4-264
I
NTERFACE
Table 4-65 Default CoS Priority Levels
0
1
2
0
: 0 1 2 3 4 5 6 7
2
3
4
1
3
4
5
6
7
5
6
7
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