Overview
622 Quality of Service Guide
• Acc-Ing MC Path Mgmt
• Network ingress pool
• Network egress pool
By default, each pool is associated with slope-policy default which has the slopes within the
pool shutdown.
Slope policies are also applied when WRED is applied per queue and to the associated
megapools, see WRED Per Queue.
Basic Configurations
A basic slope QoS policy must conform to the following:
• Each slope policy must have a unique policy ID.
• High slope, low slope, and exceed slope are shut down (default).
• Default values can be modified but parameters cannot be deleted.
Create a Slope QoS Policy
Configuring and applying slope policies is optional. If no slope policy is explicitly applied to
a pool, a default slope policy is applied.
To create a new slope policy, define the following:
• A slope policy ID value. The system will not dynamically assign a value.
• Include a description. The description provides a brief overview of policy features.
• The high slope for the high Random Early Detection (RED) slope graph.
• The low slope for the low Random Early Detection (RED) slope graph.
• The exceed slope for the exceed Random Early Detection (RED) slope graph.
• The time average factor (TAF), a weighting exponent used to determine the portion
of the shared buffer instantaneous utilization and shared buffer average utilization
used to calculate the new shared buffer average utilization.
Use the following CLI syntax to configure a slope policy:
CLI Syntax: config>qos#
slope-policy name
description description-string
high-slope
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