Users Guide

Private VLAN Concepts................................................................................................................................................ 668
Using the Private VLAN Commands.......................................................................................................................... 669
Configuration Task List..................................................................................................................................................670
Creating PVLAN ports............................................................................................................................................. 670
Creating a Primary VLAN........................................................................................................................................ 670
Creating a Community VLAN.................................................................................................................................. 671
Creating an Isolated VLAN......................................................................................................................................672
Private VLAN Configuration Example........................................................................................................................ 673
Inspecting the Private VLAN Configuration............................................................................................................. 674
Chapter 40: Per-VLAN Spanning Tree Plus (PVST+)..................................................................676
Protocol Overview.......................................................................................................................................................... 676
Implementation Information..........................................................................................................................................677
Configure Per-VLAN Spanning Tree Plus................................................................................................................. 678
Enabling PVST+...............................................................................................................................................................678
Disabling PVST+..............................................................................................................................................................678
Influencing PVST+ Root Selection..............................................................................................................................679
Modifying Global PVST+ Parameters........................................................................................................................ 680
Modifying Interface PVST+ Parameters................................................................................................................... 680
Configuring an EdgePort............................................................................................................................................... 681
PVST+ in Multi-Vendor Networks.............................................................................................................................. 682
Enabling PVST+ Extend System ID............................................................................................................................ 682
PVST+ Sample Configurations.................................................................................................................................... 683
Chapter 41: Quality of Service (QoS).........................................................................................685
Implementation Information..........................................................................................................................................687
Port-Based QoS Configurations..................................................................................................................................687
Setting dot1p Priorities for Incoming Traffic...................................................................................................... 687
Honoring dot1p Priorities on Ingress Traffic.......................................................................................................688
Configuring Port-Based Rate Policing................................................................................................................. 688
Configuring Port-Based Rate Shaping.................................................................................................................689
Policy-Based QoS Configurations...............................................................................................................................690
Classify Traffic...........................................................................................................................................................690
Dot1p to Queue Mapping Requirement................................................................................................................693
Create a QoS Policy................................................................................................................................................. 694
DSCP Color Maps..................................................................................................................................................... 696
Create Policy Maps...................................................................................................................................................698
Enabling QoS Rate Adjustment.................................................................................................................................... 701
Enabling Strict-Priority Queueing................................................................................................................................ 701
Queue Classification Requirements for PFC Functionality................................................................................... 702
Support for marking dot1p value in L3 Input Qos Policy....................................................................................... 702
Weighted Random Early Detection.............................................................................................................................703
Enabling and Disabling WRED Globally.................................................................................................................703
Creating WRED Profiles...........................................................................................................................................704
Applying a WRED Profile to Traffic.......................................................................................................................704
Displaying Default and Configured WRED Profiles........................................................................................... 704
Displaying WRED Drop Statistics.......................................................................................................................... 704
Displaying egress–queue Statistics...................................................................................................................... 705
Pre-Calculating Available QoS CAM Space.............................................................................................................. 705
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