Administrator Guide

Using the Private VLAN Commands........................................................................................................................... 614
Configuration Task List.................................................................................................................................................. 615
Creating PVLAN ports..............................................................................................................................................615
Creating a Primary VLAN.........................................................................................................................................615
Creating a Community VLAN..................................................................................................................................616
Creating an Isolated VLAN.......................................................................................................................................617
Private VLAN Configuration Example.........................................................................................................................618
Inspecting the Private VLAN Configuration..............................................................................................................619
Chapter 39: Per-VLAN Spanning Tree Plus (PVST+).................................................................. 621
Protocol Overview...........................................................................................................................................................621
Implementation Information..........................................................................................................................................622
Configure Per-VLAN Spanning Tree Plus................................................................................................................. 623
Enabling PVST+...............................................................................................................................................................623
Disabling PVST+..............................................................................................................................................................623
Influencing PVST+ Root Selection..............................................................................................................................624
Modifying Global PVST+ Parameters........................................................................................................................ 625
Modifying Interface PVST+ Parameters................................................................................................................... 625
Configuring an EdgePort...............................................................................................................................................626
PVST+ in Multi-Vendor Networks.............................................................................................................................. 627
Enabling PVST+ Extend System ID............................................................................................................................ 627
PVST+ Sample Configurations.................................................................................................................................... 628
Chapter 40: Quality of Service (QoS)........................................................................................ 630
Implementation Information..........................................................................................................................................632
Port-Based QoS Configurations..................................................................................................................................632
Setting dot1p Priorities for Incoming Traffic...................................................................................................... 632
Honoring dot1p Priorities on Ingress Traffic.......................................................................................................633
Configuring Port-Based Rate Policing................................................................................................................. 633
Configuring Port-Based Rate Shaping.................................................................................................................634
Policy-Based QoS Configurations...............................................................................................................................635
Classify Traffic...........................................................................................................................................................635
Create a QoS Policy................................................................................................................................................. 638
Create Policy Maps...................................................................................................................................................640
DSCP Color Maps........................................................................................................................................................... 643
Creating a DSCP Color Map...................................................................................................................................643
Displaying DSCP Color Maps..................................................................................................................................644
Displaying a DSCP Color Policy Configuration ..................................................................................................644
Enabling QoS Rate Adjustment................................................................................................................................... 645
Enabling Strict-Priority Queueing............................................................................................................................... 646
Weighted Random Early Detection.............................................................................................................................646
Creating WRED Profiles...........................................................................................................................................647
Applying a WRED Profile to Traffic.......................................................................................................................647
Displaying Default and Configured WRED Profiles........................................................................................... 647
Displaying WRED Drop Statistics.......................................................................................................................... 648
Displaying egress–queue Statistics...................................................................................................................... 648
Pre-Calculating Available QoS CAM Space.............................................................................................................. 648
Configuring Weights and ECN for WRED ................................................................................................................649
Configuring WRED and ECN Attributes.....................................................................................................................651
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