Class of Service Commands
4-313
4
Priority Commands
(Layer 3 and 4)
This section describes commands used to configure Layer 3 and Layer 4 traffic
priority on the switch.
map ip dscp
(Global Configuration)
This command enables IP DSCP mapping (i.e., Differentiated Services Code Point
mapping). Use the
no
form to disable IP DSCP mapping.
Syntax
[
no
]
map ip dscp
Default Setting
Disabled
Command Mode
Global Configuration
Command Usage
The precedence for priority mapping is IP DSCP and default switchport
priority.
Example
The following example shows how to enable IP DSCP mapping globally:
map ip dscp
(Interface Configuration)
This command sets 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
- 8-bit DSCP value. (Range: 0-63)
•
cos-value
- Class-of-Service value (Range: 0-7)
Table 4-83 Priority Commands
(Layer 3 and 4)
Command
Function
Mode
Page
map ip dscp
Enables IP DSCP class of service mapping
GC
map ip dscp
Maps IP DSCP value to a class of service
IC
show map ip dscp
Shows the IP DSCP map
PE
Console(config)#map ip dscp
Console(config)#
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