Reference Guide

Table Of Contents
Private VLAN Concepts........................................................................................................................................ 623
Using the Private VLAN Commands......................................................................................................................624
Configuration Task List......................................................................................................................................... 625
Creating PVLAN ports.................................................................................................................................... 625
Creating a Primary VLAN............................................................................................................................... 626
Creating a Community VLAN..........................................................................................................................627
Creating an Isolated VLAN.............................................................................................................................627
Private VLAN Configuration Example................................................................................................................... 629
Inspecting the Private VLAN Configuration..........................................................................................................630
38 Per-VLAN Spanning Tree Plus (PVST+)............................................................................ 633
Protocol Overview................................................................................................................................................ 633
Implementation Information................................................................................................................................. 634
Configure Per-VLAN Spanning Tree Plus.............................................................................................................634
Related Configuration Tasks.......................................................................................................................... 634
Enabling PVST+.....................................................................................................................................................634
Disabling PVST+................................................................................................................................................... 635
Influencing PVST+ Root Selection........................................................................................................................635
Modifying Global PVST+ Parameters................................................................................................................... 637
Modifying Interface PVST+ Parameters...............................................................................................................638
Configuring an EdgePort.......................................................................................................................................638
PVST+ in Multi-Vendor Networks.........................................................................................................................639
Enabling PVST+ Extend System ID....................................................................................................................... 639
PVST+ Sample Configurations..............................................................................................................................640
39 Quality of Service (QoS)....................................................................................................... 643
Implementation Information................................................................................................................................. 644
Port-Based QoS Configurations............................................................................................................................644
Setting dot1p Priorities for Incoming Traffic..................................................................................................644
Honoring dot1p Priorities on Ingress Traffic..................................................................................................645
Configuring Port-Based Rate Policing........................................................................................................... 645
Configuring Port-Based Rate Shaping........................................................................................................... 646
Policy-Based QoS Configurations........................................................................................................................ 647
Classify Traffic................................................................................................................................................647
Create a QoS Policy........................................................................................................................................650
Create Policy Maps........................................................................................................................................652
Enabling QoS Rate Adjustment.............................................................................................................................656
Enabling Strict-Priority Queueing......................................................................................................................... 656
Weighted Random Early Detection.......................................................................................................................656
Creating WRED Profiles................................................................................................................................. 657
Applying a WRED Profile to Traffic................................................................................................................ 658
Displaying Default and Configured WRED Profiles........................................................................................658