Concept Guide

42 Port Monitoring....................................................................................................................................... 626
Supported Modes..........................................................................................................................................................626
Conguring Port Monitoring........................................................................................................................................ 626
Important Points to Remember....................................................................................................................................627
Port Monitoring..............................................................................................................................................................628
Remote Port Mirroring.................................................................................................................................................. 628
Remote Port Mirroring Example............................................................................................................................ 629
Conguring Remote Port Mirroring.......................................................................................................................629
Displaying Remote-Port Mirroring Congurations................................................................................................631
Conguring the Sample Remote Port Mirroring...................................................................................................631
Encapsulated Remote Port Monitoring.......................................................................................................................634
43 Private VLANs (PVLAN).......................................................................................................................... 636
Private VLAN Concepts................................................................................................................................................636
Using the Private VLAN Commands..................................................................................................................... 637
Conguration Task List............................................................................................................................................638
Private VLAN Conguration Example................................................................................................................... 642
44 Per-VLAN Spanning Tree Plus (PVST+)................................................................................................... 645
Protocol Overview.........................................................................................................................................................645
Implementation Information....................................................................................................................................646
Congure Per-VLAN Spanning Tree Plus................................................................................................................... 646
Related Conguration Tasks...................................................................................................................................646
Enabling PVST+............................................................................................................................................................. 646
Disabling PVST+.............................................................................................................................................................647
Inuencing PVST+ Root Selection.........................................................................................................................647
Modifying Global PVST+ Parameters..........................................................................................................................649
Modifying Interface PVST+ Parameters.....................................................................................................................650
Conguring an EdgePort............................................................................................................................................... 651
PVST+ in Multi-Vendor Networks................................................................................................................................ 651
Enabling PVST+ Extend System ID.............................................................................................................................. 651
PVST+ Sample Congurations.....................................................................................................................................652
Enable BPDU Filtering globally.....................................................................................................................................654
45 Quality of Service (QoS)......................................................................................................................... 655
Implementation Information..........................................................................................................................................657
Port-Based QoS Congurations.................................................................................................................................. 657
Setting dot1p Priorities for Incoming Trac......................................................................................................... 657
Honoring dot1p Priorities on Ingress Trac..........................................................................................................658
Conguring Port-Based Rate Policing.................................................................................................................. 659
Conguring Port-Based Rate Shaping..................................................................................................................659
Guidelines for Conguring ECN for Classifying and Color-Marking Packets.........................................................659
Sample conguration to mark non-ecn packets as “yellow” with Multiple trac class................................. 660
Classifying Incoming Packets Using ECN and Color-Marking........................................................................... 660
Sample conguration to mark non-ecn packets as “yellow” with single trac class..................................... 662
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