P
RIORITY
C
OMMANDS
3-131
cos-value - Class-of-Service value (Range: 0-7)
Default Setting
The list below shows the default priority mapping. Note that all the
DSCP values that are not specified are mapped to CoS value 0.
Command Mode
Interface Configuration (Ethernet, Port Channel)
Command Usage
The precedence for priority mapping is IP Port, IP Precedence or IP
DSCP, and default switchport priority.
DSCP priority values are mapped to default Class of Service values
according to recommendations in the IEEE 802.1p standard, and then
mapped to the queue defaults.
This command sets the IP DSCP priority for all interfaces.
Example
The following example shows how to map IP DSCP value 1 to CoS value
0:
IP DSCP Value CoS Value
00
81
10, 12, 14, 16 2
18, 20, 22, 24 3
26, 28, 30, 32, 34, 36 4
38, 40, 42 5
48 6
46, 56 7
Console(config)#interface ethernet 1/5
Console(config-if)#map ip dscp 1 cos 0
Console(config-if)#