Setup Guide

37 Private VLANs (PVLAN).......................................................................................................................... 623
Private VLAN Concepts................................................................................................................................................623
Using the Private VLAN Commands...........................................................................................................................624
Conguration Task List..................................................................................................................................................625
Creating PVLAN ports............................................................................................................................................ 625
Creating a Primary VLAN....................................................................................................................................... 626
Creating a Community VLAN................................................................................................................................. 627
Creating an Isolated VLAN......................................................................................................................................627
Private VLAN Conguration Example......................................................................................................................... 629
Inspecting the Private VLAN Conguration...............................................................................................................630
38 Per-VLAN Spanning Tree Plus (PVST+)................................................................................................... 632
Protocol Overview......................................................................................................................................................... 632
Implementation Information..........................................................................................................................................633
Congure Per-VLAN Spanning Tree Plus................................................................................................................... 633
Related Conguration Tasks...................................................................................................................................633
Enabling PVST+............................................................................................................................................................. 633
Disabling PVST+.............................................................................................................................................................634
Inuencing PVST+ Root Selection...............................................................................................................................634
Modifying Global PVST+ Parameters..........................................................................................................................636
Modifying Interface PVST+ Parameters..................................................................................................................... 637
Conguring an EdgePort.............................................................................................................................................. 638
PVST+ in Multi-Vendor Networks............................................................................................................................... 638
Enabling PVST+ Extend System ID............................................................................................................................. 638
PVST+ Sample Congurations.....................................................................................................................................639
39 Quality of Service (QoS)..........................................................................................................................642
Implementation Information..........................................................................................................................................644
Port-Based QoS Congurations.................................................................................................................................. 644
Setting dot1p Priorities for Incoming Trac.........................................................................................................644
Honoring dot1p Priorities on Ingress Trac..........................................................................................................645
Conguring Port-Based Rate Policing.................................................................................................................. 646
Conguring Port-Based Rate Shaping..................................................................................................................646
Policy-Based QoS Congurations................................................................................................................................647
Classify Trac..........................................................................................................................................................648
Create a QoS Policy................................................................................................................................................. 651
Create Policy Maps..................................................................................................................................................653
DSCP Color Maps..........................................................................................................................................................657
Creating a DSCP Color Map...................................................................................................................................657
Displaying DSCP Color Maps.................................................................................................................................658
Displaying a DSCP Color Policy Conguration ....................................................................................................658
Enabling QoS Rate Adjustment....................................................................................................................................659
Enabling Strict-Priority Queueing................................................................................................................................660
Weighted Random Early Detection............................................................................................................................. 660
Creating WRED Proles...........................................................................................................................................661
Contents
21