Service-Policy Command; Syntax Description; Service-Policy Command History - Cisco 10000 Series Configuration Manual
Quality of service configuration guide
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Chapter 4
Attaching Service Policies
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The router can operate in one of two ATM queueing modes: atm pxf queuing or no atm pxf queuing. The
router supports:
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For more information about ATM service classes, see the
page
The router allocates bandwidth to VBR, CBR, and shaped UBR PVCs before allocating bandwidth to
unshaped UBR PVCs. As a result, a diminished amount of bandwidth is available to allocate to unshaped
UBR PVCs. To override this behavior, create an hierarchical policy with the bandwidth specified and
attach the policy to the ATM port or physical interface. For more information, see
QoS for Multiple Policy Levels."
service-policy Command
To attach a policy map that the router can use to apply QoS services to inbound and outbound packets,
use the service-policy command in interface or map class configuration mode. Use the no form of the
command to remove a service policy. This command has no default value or behavior.
service-policy {input | output} policy-map-name
no service-policy {input | output} policy-map-name
Syntax Description
input
output
policy-map-name
service-policy Command History
Cisco IOS Release
12.0(17)SL
12.2(15)BX
12.3(7)XI2
OL-7433-09
If you attach a service policy only to individual PVCs and not to the physical interface, only the
individual PVC is subject to its attached service policy.
If you attach service policies to both the physical interface and individual PVCs, the aggregate of
all UBR PVCs that do not have a service policy is subject to the physical interface's service policy.
All PVCs that do have a service policy are individually subject to their attached service policies.
Unshaped UBR and nonreal-time VBR (VBR-nrt) PVCs when you configure the atm pxf queuing
command on the ATM interfaces
Unshaped UBR, shaped UBR, and VBR-nrt PVCs when you configure the no atm pxf queuing
command on the ATM interfaces
3-13.
Indicates to apply the QoS policy to inbound packets.
Indicates to apply the QoS policy to outbound packets.
The name of the policy map (created using the policy-map command) you
want to attach. The policy-map-name can be a maximum of
40 alphanumeric characters.
Description
This command was introduced on the PRE1.
This command was introduced on the PRE2.
This command was enhanced on the PRE2 to allow you to attach a policy
map to a range of PVCs, and to a specific PVC within the PVC range.
"ATM Service Categories" section on
Cisco 10000 Series Router Quality of Service Configuration Guide
Attaching ATM QoS Service Policies
Chapter 13, "Defining
4-3
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