13-13
Cisco 10000 Series Router Quality of Service Configuration Guide
OL-7433-09
Chapter 13 Defining QoS for Multiple Policy Levels
Guidelines for Configuring QoS for Multiple Queues
Guidelines for Configuring QoS for Multiple Queues
When configuring QoS for multiple queues, consider the following guidelines:
• Define child policies before you define the parent policy. For example, for a nested policy, define
the bottom-level policy and then the top-level parent policy. For a three-level policy, define the
bottom-level policy, the middle-level policy, and then the top-level parent policy.
• Do not specify the input or output keyword in the service-policy command when configuring a
child policy within another child policy or within a parent policy.
• Do not configure a child policy in a traffic class of a bottom-level policy. Configure child policies
only in middle-level and top-level parent policies.
Configuring QoS for Multiple Queues
To configure QoS for multiple queues using a hierarchical policy, perform the following configuration
tasks:
• Creating Fair Queues at Two Levels of Hierarchy, page 13-13
• Creating Fair Queues at Three Levels of Hierarchy, page 13-15
• Policing Inbound Traffic at Two Levels of Hierarchy, page 13-19
• Policing Inbound Traffic at Two Levels of Hierarchy, page 13-19
Creating Fair Queues at Two Levels of Hierarchy
To create fair queues at two levels of hierarchy, enter the following commands beginning in global
configuration mode:
Note Use the following commands to configure both the child and parent policies. Configure the bottom-level
child policy first and then the top-level parent policy. For information about additional actions you can
specify in child policies, see the “Types of QoS Actions” section on page 3-4.
Command Purpose
Step 1
Router(config)# policy-map
policy-map-name
Creates or modifies the bottom-level child policy.
policy-map-name is the name of the child policy map. The name
can be a maximum of 40 alphanumeric characters.
Step 2
Router(config-pmap)# class class-map-name
Assigns the traffic class you specify to the policy map. Enters
policy-map class configuration mode.
class-map-name is the name of a previously configured class map
and is the traffic class for which you want to define QoS actions.
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