Users Guide

Private VLAN Concepts.........................................................................................................................................665
Using the Private VLAN Commands.................................................................................................................. 666
Configuration Task List......................................................................................................................................... 667
Creating PVLAN ports......................................................................................................................................667
Creating a Primary VLAN................................................................................................................................668
Creating a Community VLAN........................................................................................................................ 669
Creating an Isolated VLAN............................................................................................................................. 669
Private VLAN Configuration Example.................................................................................................................671
Inspecting the Private VLAN Configuration......................................................................................................672
41 Per-VLAN Spanning Tree Plus (PVST+)......................................................................................................... 674
Protocol Overview................................................................................................................................................. 674
Implementation Information............................................................................................................................... 675
Configure Per-VLAN Spanning Tree Plus......................................................................................................... 676
Related Configuration Tasks..........................................................................................................................676
Enabling PVST+...................................................................................................................................................... 676
Disabling PVST+..................................................................................................................................................... 676
Influencing PVST+ Root Selection......................................................................................................................677
Modifying Global PVST+ Parameters.................................................................................................................678
Modifying Interface PVST+ Parameters............................................................................................................ 679
Configuring an EdgePort..................................................................................................................................... 680
PVST+ in Multi-Vendor Networks......................................................................................................................680
Enabling PVST+ Extend System ID..................................................................................................................... 681
PVST+ Sample Configurations............................................................................................................................ 681
42 Quality of Service (QoS).................................................................................................................................. 684
Implementation Information...............................................................................................................................686
Port-Based QoS Configurations.........................................................................................................................686
Setting dot1p Priorities for Incoming Traffic..............................................................................................686
Honoring dot1p Priorities on Ingress Traffic.............................................................................................. 687
Configuring Port-Based Rate Policing.........................................................................................................687
Configuring Port-Based Rate Shaping........................................................................................................ 688
Policy-Based QoS Configurations..................................................................................................................... 689
Classify Traffic...................................................................................................................................................689
Create a QoS Policy.........................................................................................................................................693
Create Policy Maps.......................................................................................................................................... 695
DSCP Color Maps.............................................................................................................................................699
Enabling QoS Rate Adjustment........................................................................................................................... 701
Enabling Strict-Priority Queueing.......................................................................................................................701
Weighted Random Early Detection....................................................................................................................702
Creating WRED Profiles...................................................................................................................................703
Applying a WRED Profile to Traffic............................................................................................................... 703
Displaying Default and Configured WRED Profiles...................................................................................704
Displaying WRED Drop Statistics.................................................................................................................. 704
Displaying egress-queue Statistics............................................................................................................... 705
Pre-Calculating Available QoS CAM Space......................................................................................................705
Configuring Weights and ECN for WRED ........................................................................................................ 706
9.10(0.0)
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