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Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09
Chapter 24 Configuring QoS
Extending QoS for MLPPP
Configuring Class-map for Matching IP DSCP Value
This classification is required for all the packets flowing without an MPLS header like normal IP packets
flowing through an MLPPP Interface.
Complete the following steps to configure class-map for matching IP DSCP Values.
SUMMARY STEPS
1. enable
2. configure terminal
3. class-map match-any class-map-name
4. match ip dscp [dscp-value...dscp-value]
5. exit
DETAILED STEPS
Step 4
match mpls experimental topmost
number
Example:
Router(config-cmap)# match mpls
experimental topmost 5
Matches the experimental (EXP) value in the topmost label header.
• number—Multiprotocol Label Switching (MPLS) EXP field in the
topmost label header. Valid values are 0 to 7.
Note In this configuration packets with experimental bits of value 5 are
matched. Repeat this step to configure more values. If any one of
the values is matched, action pertaining to the class-map is
performed.
Step 5
exit
Example:
Router(config-cmap)# exit
Exits class-map configuration mode.
Command Purpose
Command Purpose
Step 1
enable
Example:
Router> enable
Enables privileged EXEC mode.
• Enter your password if prompted.
Step 2
configure terminal
Example:
Router# configure terminal
Enters global configuration mode.
Step 3
class-map match-any
class-map-name
Example:
Router(config)# class-map match-any
matchdscp
Creates a class map to be used for matching packets to a specified class
and to enter QoS class-map configuration mode:
• class-map-name—Name of the class for the class map. The class
name is used for both the class map and to configure a policy for the
class in the policy map.