Policy Hierarchy

QoS ACS policies are hierarchical, from most specific (a particular user on a specific subnet) to least specific (a user policy for all QoS Admission Control Service–managed subnets).

When a user requests priority bandwidth, the QoS ACS searches Active Directory for policy values in the following order:

• A subnet-level user policy for the subnet on which the user is requesting priority bandwidth.
• An enterprise-level user policy.

When a user has a group profile defined in addition to a user policy, precedence is applied in the following priority:

• User policy on the current subnet
• Group policy on the current subnet
• Authenticated user on the current subnet
• User in the Enterprise container
• Authenticated user in the Enterprise container

Higher priority policy values always override lower priority policy values if the user has policies in both locations, and the same values are configured in both policies.

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