C
LASS
OF
S
ERVICE
C
OMMANDS
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Command Usage
• The precedence for priority mapping is IP Port, IP Precedence or IP
DSCP, and default switchport priority.
• IP Precedence values are mapped to default Class of Service values on
a one-to-one basis according to recommendations in the IEEE 802.1p
standard, and then subsequently mapped to the eight hardware
priority queues.
• This command sets the IP Precedence for all interfaces.
Example
The following example shows how to map IP precedence value 1 to CoS
value 0:
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 Port, IP Precedence or IP
DSCP, and default switchport priority.
• IP Precedence and IP DSCP cannot both be enabled. Enabling one of
these priority types will automatically disable the other type.
Console(config)#interface ethernet 1/5
Console(config-if)#map ip precedence 1 cos 0
Console(config-if)#
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