Administrator Guide

Private VLAN Concepts.................................................................................................................................................717
Using the Private VLAN Commands............................................................................................................................718
Conguration Task List...................................................................................................................................................719
Creating PVLAN Ports.............................................................................................................................................719
Creating a Primary VLAN........................................................................................................................................720
Creating a Community VLAN..................................................................................................................................721
Creating an Isolated VLAN...................................................................................................................................... 721
Private VLAN Conguration Example......................................................................................................................... 723
Inspecting the Private VLAN Conguration......................................................................................................... 724
45 Per-VLAN Spanning Tree Plus (PVST+)................................................................................................... 726
Protocol Overview......................................................................................................................................................... 727
Implementation Information..........................................................................................................................................727
Congure Per-VLAN Spanning Tree Plus....................................................................................................................728
Related Conguration Tasks................................................................................................................................... 728
Enabling PVST+..............................................................................................................................................................728
Disabling PVST+.............................................................................................................................................................728
Inuencing PVST+ Root Selection.........................................................................................................................729
Modifying Global PVST+ Parameters..........................................................................................................................730
Modifying Interface PVST+ Parameters...................................................................................................................... 731
Conguring an EdgePort...............................................................................................................................................732
PVST+ in Multi-Vendor Networks................................................................................................................................732
Enabling PVST+ Extend System ID..............................................................................................................................733
PVST+ Sample Congurations.....................................................................................................................................733
46 Quality of Service (QoS)..........................................................................................................................736
Implementation Information..........................................................................................................................................738
Port-Based QoS Congurations...................................................................................................................................738
Setting dot1p Priorities for Incoming Trac......................................................................................................... 738
Honoring dot1p Priorities on Ingress Trac..........................................................................................................739
Conguring Port-Based Rate Policing...................................................................................................................739
Conguring Port-Based Rate Shaping.................................................................................................................. 740
Policy-Based QoS Congurations.................................................................................................................................741
Classify Trac........................................................................................................................................................... 741
Create a QoS Policy.................................................................................................................................................745
Create Policy Maps.................................................................................................................................................. 747
DSCP Color Maps..........................................................................................................................................................750
Creating a DSCP Color Map...................................................................................................................................750
Displaying DSCP Color Maps.................................................................................................................................. 751
Displaying a DSCP Color Policy Conguration .................................................................................................... 752
Enabling QoS Rate Adjustment....................................................................................................................................752
Enabling Strict-Priority Queueing................................................................................................................................ 753
Weighted Random Early Detection..............................................................................................................................753
Creating WRED Proles.......................................................................................................................................... 754
Applying a WRED Prole to Trac........................................................................................................................ 754
Displaying Default and Congured WRED Proles.............................................................................................. 755
24
Contents