Cisco ASA 5505 - Manual (Page 1153)

54-9
Cisco ASA 5500 Series Configuration Guide using the CLI
Chapter 54 Configuring QoS
Configuring QoS
Configuring a Service Rule for Standard Priority Queuing and Policing
You can configure standard priority queuing and policing for different class maps within the same policy
map. See the
“How QoS Features Interact” section on page 54-4 for information about valid QoS
configurations.
To create a policy map, perform the following steps.
Restrictions
• You cannot use the class-default class map for priority traffic.
• You cannot configure traffic shaping and standard priority queuing for the same interface; only
hierarchical priority queuing is allowed.
• (ASASM) The ASASM only supports policing.
Guidelines
• For priority traffic, identify only latency-sensitive traffic.
• For policing traffic, you can choose to police all other traffic, or you can limit the traffic to certain
types.
Detailed Steps
Command Purpose
Step 1 class-map policing_map_name
Example:
hostname(config)# class-map
policing_traffic
For policing traffic, creates a class map to identify the traffic for
which you want to perform policing.
Step 2 match parameter
Example:
hostname(config-cmap)# match access-list
policing
Specifies the traffic in the class map. See the “Identifying Traffic
(Layer 3/4 Class Maps)” section on page 32-12 for more
information.
Step 3 class-map priority_map_name
Example:
hostname(config)# class-map
priority_traffic
For priority traffic, creates a class map to identify the traffic for
which you want to perform priority queuing.
Step 4 match parameter
Example:
hostname(config-cmap)# match access-list
priority
Specifies the traffic in the class map. See the “Identifying Traffic
(Layer 3/4 Class Maps)” section on page 32-12 for more
information.
Step 5 policy-map name
Example:
hostname(config)# policy-map QoS_policy
Adds or edits a policy map.