Concept Guide

RPM over VLT Scenarios.........................................................................................................................................741
40 Private VLANs (PVLAN).......................................................................................................................... 743
Private VLAN Concepts................................................................................................................................................ 743
Using the Private VLAN Commands........................................................................................................................... 744
Conguration Task List..................................................................................................................................................745
Creating PVLAN ports.............................................................................................................................................745
Creating a Primary VLAN........................................................................................................................................746
Creating a Community VLAN................................................................................................................................. 747
Creating an Isolated VLAN...................................................................................................................................... 747
Private VLAN Conguration Example......................................................................................................................... 749
Inspecting the Private VLAN Conguration............................................................................................................... 750
41 Per-VLAN Spanning Tree Plus (PVST+).................................................................................................... 752
Protocol Overview......................................................................................................................................................... 752
Implementation Information..........................................................................................................................................753
Congure Per-VLAN Spanning Tree Plus....................................................................................................................753
Related Conguration Tasks................................................................................................................................... 753
Enabling PVST+..............................................................................................................................................................753
Disabling PVST+.............................................................................................................................................................754
Inuencing PVST+ Root Selection...............................................................................................................................754
Modifying Global PVST+ Parameters..........................................................................................................................756
Modifying Interface PVST+ Parameters......................................................................................................................757
Conguring an EdgePort.............................................................................................................................................. 758
PVST+ in Multi-Vendor Networks................................................................................................................................758
Enabling PVST+ Extend System ID............................................................................................................................. 758
PVST+ Sample Congurations.....................................................................................................................................759
42 Quality of Service (QoS)..........................................................................................................................762
Implementation Information..........................................................................................................................................764
Port-Based QoS Congurations...................................................................................................................................764
Setting dot1p Priorities for Incoming Trac......................................................................................................... 764
Honoring dot1p Priorities on Ingress Trac..........................................................................................................765
Conguring Port-Based Rate Policing...................................................................................................................766
Conguring Port-Based Rate Shaping..................................................................................................................766
Policy-Based QoS Congurations................................................................................................................................ 767
Classify Trac...........................................................................................................................................................767
Dot1p to Queue Mapping Requirement..................................................................................................................771
Create a QoS Policy..................................................................................................................................................771
DSCP Color Maps.................................................................................................................................................... 774
Create Policy Maps..................................................................................................................................................776
Enabling QoS Rate Adjustment....................................................................................................................................779
Enabling Strict-Priority Queueing................................................................................................................................ 780
Queue Classication Requirements for PFC Functionality....................................................................................... 780
Support for marking dot1p value in L3 Input Qos Policy...........................................................................................780
Weighted Random Early Detection...............................................................................................................................781
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