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map ip dscp (Interface Configuration)
Use this command to set IP DSCP priority (i.e., Differentiated Services
Code Point priority). Use the no form to restore the default table.
Syntax
map ip dscp dscp-value cos cos-value
no map ip dscp
• dscp-value - 6-bit DSCP value. (Range: 0-63)
• cos-value - Class-of-Service value (Range: 0-7)
Default Setting
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.
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
subsequently mapped to the four hardware priority queues.
• This command sets the IP DSCP priority for all interfaces.
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
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