Administrator Guide

Using the Private VLAN Commands.............................................................................................................................. 584
Configuration Task List.................................................................................................................................................... 585
Creating PVLAN ports................................................................................................................................................585
Creating a Primary VLAN...........................................................................................................................................585
Creating a Community VLAN.................................................................................................................................... 586
Creating an Isolated VLAN......................................................................................................................................... 587
Private VLAN Configuration Example............................................................................................................................ 588
Inspecting the Private VLAN Configuration.................................................................................................................. 589
39 Per-VLAN Spanning Tree Plus (PVST+).................................................................................... 591
Protocol Overview.............................................................................................................................................................591
Implementation Information.............................................................................................................................................592
Configure Per-VLAN Spanning Tree Plus......................................................................................................................592
Enabling PVST+.................................................................................................................................................................592
Disabling PVST+................................................................................................................................................................592
Influencing PVST+ Root Selection..................................................................................................................................593
Modifying Global PVST+ Parameters.............................................................................................................................594
Modifying Interface PVST+ Parameters........................................................................................................................595
Configuring an EdgePort..................................................................................................................................................595
PVST+ in Multi-Vendor Networks..................................................................................................................................596
Enabling PVST+ Extend System ID................................................................................................................................ 596
PVST+ Sample Configurations........................................................................................................................................597
40 Quality of Service (QoS)......................................................................................................... 599
Implementation Information..............................................................................................................................................601
Port-Based QoS Configurations...................................................................................................................................... 601
Setting dot1p Priorities for Incoming Traffic............................................................................................................ 601
Honoring dot1p Priorities on Ingress Traffic............................................................................................................ 602
Configuring Port-Based Rate Policing......................................................................................................................602
Configuring Port-Based Rate Shaping..................................................................................................................... 603
Policy-Based QoS Configurations...................................................................................................................................604
Classify Traffic.............................................................................................................................................................604
Create a QoS Policy.................................................................................................................................................... 607
Create Policy Maps.....................................................................................................................................................609
DSCP Color Maps...............................................................................................................................................................611
Creating a DSCP Color Map.......................................................................................................................................612
Displaying DSCP Color Maps......................................................................................................................................612
Displaying a DSCP Color Policy Configuration ........................................................................................................ 613
Enabling QoS Rate Adjustment........................................................................................................................................613
Enabling Strict-Priority Queueing.................................................................................................................................... 614
Weighted Random Early Detection..................................................................................................................................614
Creating WRED Profiles..............................................................................................................................................615
Applying a WRED Profile to Traffic........................................................................................................................... 615
Displaying Default and Configured WRED Profiles..................................................................................................615
Displaying WRED Drop Statistics...............................................................................................................................616
Displaying egress–queue Statistics........................................................................................................................... 616
Pre-Calculating Available QoS CAM Space....................................................................................................................616
Configuring Weights and ECN for WRED ......................................................................................................................617
Configuring WRED and ECN Attributes..........................................................................................................................618
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