Feature History For Hierarchical Queuing Framework; Hierarchical Queuing Framework Scaling - Cisco 10000 Series Configuration Manual

Quality of service configuration guide

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Hierarchical Queuing Framework

Logical Layer-

Physical Layer-

Interface or ATM

The PRE1 and PRE2 use the virtual time management system (VTMS) scheduling algorithm and do not

support the HQF architecture.

Feature History for Hierarchical Queuing Framework

Cisco IOS Release

Release 12.2(31)SB2

Release 12.2(33)SB

The hierarchical queuing framework (HQF) supports the following interfaces:

Cisco 10000 Series Router Quality of Service Configuration Guide

HQF 3 Layers of Hierarchy

This feature was introduced on the PRE3.

This feature was introduced on the PRE4.

61,500 logical interfaces

16,000 physical interfaces

Up to 15 queues per interface (2 priority queues [PQs], 12 nondefault queues, and 1 default queue)

Hierarchical Scheduling and Queuing

Required PRE

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