User`s manual

User’s Manual 253
Syntax Description
map ip dscp dscp-value cos cos-value
no map ip dscp
dscp-value DSCP value. (Range: 0-63)
cos-value Class-of-Service value (Range: 0-7)
Default
The DSCP default values are defined in the following table. Note that all the DSCP values that are not
specified are mapped to CoS value 0.
IP DSCP Value CoS Value
0 0
8 1
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
Command Mode
Interface Configuration (Ethernet, Port Channel)
Usage Guidelines
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 subsequently mapped to the eight hardware priority queues.
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:
Console(config)#interface ethernet 1/5
Console(config-if)#map ip dscp 1 cos 0
Console(config-if)#