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To create a service policy for a specific category of ingress traffic, follow
these steps:
1.Use the class-map command to designate a class name for a specific
category of traffic, and enter the Class Map configuration mode.
2. Use the match command to select a specify type of traffic based on an
access list, a DSCP or IP Precedence value, or a VLAN.
3. Set an ACL mask to enable filtering for the criteria specified in the
match command.
4. Use the policy-map command to designate a policy name for a specific
manner in which ingress traffic will be handled, and enter the Policy
Map configuration mode.
5. Use the class command to identify the class map, and enter Policy Map
Class configuration mode. A policy map can contain multiple class
statements.
6. Use the set command to modify the QoS value for matching traffic
class, and use the policer command to monitor the average flow and
burst rate, and drop any traffic that exceeds the specified rate, or just
reduce the DSCP service level for traffic exceeding the specified rate.
police Defines an enforcer for classified traffic PM-
C
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service-policy Applies a policy map defined by the policy-map
command to the input of a particular interface
IC 4-265
show
class-map
Displays the QoS class maps which define
matching criteria used for classifying traffic
PE 4-266
show
policy-map
Displays the QoS policy maps which define
classification criteria for incoming traffic, and may
include policers for bandwidth limitations
PE 4-267
show
policy-map
interface
Displays the configuration of all classes configured
for all service policies on the specified interface
PE 4-267
Quality of Service Commands
Command Function Mod
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