Setup Guide

40 Private VLANs (PVLAN).......................................................................................................................... 742
Private VLAN Concepts................................................................................................................................................ 742
Using the Private VLAN Commands........................................................................................................................... 743
Conguration Task List.................................................................................................................................................. 744
Creating PVLAN ports.............................................................................................................................................744
Creating a Primary VLAN........................................................................................................................................745
Creating a Community VLAN................................................................................................................................. 746
Creating an Isolated VLAN......................................................................................................................................746
Private VLAN Conguration Example..........................................................................................................................748
Inspecting the Private VLAN Conguration............................................................................................................... 749
41 Per-VLAN Spanning Tree Plus (PVST+).....................................................................................................751
Protocol Overview..........................................................................................................................................................751
Implementation Information..........................................................................................................................................752
Congure Per-VLAN Spanning Tree Plus....................................................................................................................752
Related Conguration Tasks................................................................................................................................... 752
Enabling PVST+..............................................................................................................................................................752
Disabling PVST+.............................................................................................................................................................753
Inuencing PVST+ Root Selection...............................................................................................................................753
Modifying Global PVST+ Parameters..........................................................................................................................755
Modifying Interface PVST+ Parameters..................................................................................................................... 756
Conguring an EdgePort...............................................................................................................................................757
PVST+ in Multi-Vendor Networks................................................................................................................................757
Enabling PVST+ Extend System ID..............................................................................................................................757
PVST+ Sample Congurations.....................................................................................................................................758
42 Quality of Service (QoS).......................................................................................................................... 761
Implementation Information..........................................................................................................................................763
Port-Based QoS Congurations...................................................................................................................................763
Setting dot1p Priorities for Incoming Trac......................................................................................................... 763
Honoring dot1p Priorities on Ingress Trac..........................................................................................................764
Conguring Port-Based Rate Policing...................................................................................................................765
Conguring Port-Based Rate Shaping..................................................................................................................765
Policy-Based QoS Congurations................................................................................................................................766
Classify Trac.......................................................................................................................................................... 766
Dot1p to Queue Mapping Requirement.................................................................................................................770
Create a QoS Policy.................................................................................................................................................770
DSCP Color Maps....................................................................................................................................................773
Create Policy Maps..................................................................................................................................................775
Enabling QoS Rate Adjustment.................................................................................................................................... 778
Enabling Strict-Priority Queueing.................................................................................................................................779
Queue Classication Requirements for PFC Functionality....................................................................................... 779
Support for marking dot1p value in L3 Input Qos Policy........................................................................................... 779
Weighted Random Early Detection..............................................................................................................................780
Creating WRED Proles...........................................................................................................................................781
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