Users Guide

Table Of Contents
Private VLAN Concepts................................................................................................................................................ 663
Using the Private VLAN Commands.......................................................................................................................... 664
Configuration Task List................................................................................................................................................. 665
Creating PVLAN ports............................................................................................................................................. 665
Creating a Primary VLAN........................................................................................................................................665
Creating a Community VLAN................................................................................................................................. 666
Creating an Isolated VLAN......................................................................................................................................667
Private VLAN Configuration Example........................................................................................................................668
Inspecting the Private VLAN Configuration.............................................................................................................669
Chapter 40: Per-VLAN Spanning Tree Plus (PVST+).................................................................. 671
Protocol Overview...........................................................................................................................................................671
Implementation Information..........................................................................................................................................672
Configure Per-VLAN Spanning Tree Plus................................................................................................................. 673
Enabling PVST+...............................................................................................................................................................673
Disabling PVST+.............................................................................................................................................................. 673
Influencing PVST+ Root Selection..............................................................................................................................674
Modifying Global PVST+ Parameters.........................................................................................................................675
Modifying Interface PVST+ Parameters................................................................................................................... 675
Configuring an EdgePort...............................................................................................................................................676
PVST+ in Multi-Vendor Networks.............................................................................................................................. 677
Enabling PVST+ Extend System ID.............................................................................................................................677
PVST+ Sample Configurations.................................................................................................................................... 678
Chapter 41: Quality of Service (QoS).........................................................................................680
Implementation Information......................................................................................................................................... 682
Port-Based QoS Configurations..................................................................................................................................682
Setting dot1p Priorities for Incoming Traffic......................................................................................................682
Honoring dot1p Priorities on Ingress Traffic.......................................................................................................683
Configuring Port-Based Rate Policing................................................................................................................. 683
Configuring Port-Based Rate Shaping.................................................................................................................683
Policy-Based QoS Configurations...............................................................................................................................684
Classify Traffic...........................................................................................................................................................685
Dot1p to Queue Mapping Requirement................................................................................................................687
Create a QoS Policy................................................................................................................................................. 688
DSCP Color Maps..................................................................................................................................................... 690
Create Policy Maps...................................................................................................................................................692
Enabling QoS Rate Adjustment................................................................................................................................... 695
Enabling Strict-Priority Queueing............................................................................................................................... 695
Queue Classification Requirements for PFC Functionality...................................................................................696
Support for marking dot1p value in L3 Input Qos Policy.......................................................................................696
Weighted Random Early Detection.............................................................................................................................697
Enabling and Disabling WRED Globally.................................................................................................................697
Creating WRED Profiles.......................................................................................................................................... 698
Applying a WRED Profile to Traffic...................................................................................................................... 698
Displaying Default and Configured WRED Profiles........................................................................................... 698
Displaying WRED Drop Statistics..........................................................................................................................698
Displaying egressqueue Statistics...................................................................................................................... 699
Pre-Calculating Available QoS CAM Space..............................................................................................................699
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