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Chapter 30
Configuring QoS
Configuration Examples for Policy Maps
This example configures classes for input service policies and defines three classes of service: gold,
silver, and bronze. Because a match-all classification (the default) can have only single classification
criterion, the match-any classification is used so that you can add classification criteria in the future.
Switch# config terminal
Switch(config)# class-map match-any gold-in
Switch(config-cmap)# match ip dscp af11
Switch(config-cmap)# exit
Switch(config)# class-map match-any silver-in
Switch(config-cmap)# match ip dscp af21
Switch(config-cmap)# exit
Switch(config)# class-map match-any bronze-in
Switch(config-cmap)# match ip dscp af31
Switch(config-cmap)# exit
This example shows how to configure an input policy map that marks the gold class and polices the silver
class to 50 Mbps and the bronze class to 20 Mbps.
Switch(config)# policy-map input-all
Switch(config-pmap)# class gold-in
Switch(config-pmap-c)# match ip dscp af43
Switch(config-pmap-c)# exit
Switch(config-pmap)# class silver-in
Switch(config-pmap-c)# police 50000000
Switch(config-pmap)# class bronze-in
Switch(config-pmap-c)# police 20000000
Switch(config-pmap-c)# exit
This example configures classes for output service policies with three classes of service: gold, silver, and
bronze. The gold class is configured to match the marked value in the input service policy. Because a
match-all classification (the default) can have only single classification criterion, the match-any
classification is used so that you can add classification criteria in the future.
Switch# config terminal
Switch(config)# class-map match-any gold-out
Switch(config-cmap)# match ip dscp af43
Switch(config-cmap)# exit
Switch(config)# class-map match-any silver-out
Switch(config-cmap)# match ip dscp af21
Switch(config-cmap)# exit
Switch(config)# class-map match-any bronze-out
Switch(config-cmap)# match ip dscp af31
Switch(config-cmap)# exit
This example configures one output service policy to be applied to both Gigabit Ethernet NNIs,
providing priority with rate-limiting to the gold class, class-based shaping for the silver class, and a
minimum bandwidth guarantee of 10 percent to the bronze class.
Switch(config)# policy-map output-g1-2
Switch(config-pmap)# class gold-out
Switch(config-pmap-c)# priority
Switch(config-pmap-c)# police 50000000
Switch(config-pmap-c)# exit
Switch(config-pmap)# class silver-out
Switch(config-pmap-c)# shape average 200000
Switch(config-pmap-c)# exit
Switch(config-pmap)# class bronze-out
Switch(config-pmap-c)# bandwidth percent 10
Switch(config-pmap-c)# exit
Cisco ME 3400 Ethernet Access Switch Software Configuration Guide
30-57
78-17058-01
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