Concept Guide

Remote Port Mirroring Example.............................................................................................................................723
Conguring Remote Port Mirroring....................................................................................................................... 724
Displaying Remote-Port Mirroring Congurations...............................................................................................726
Conguration procedure for Remote Port Mirroring........................................................................................... 726
Encapsulated Remote Port Monitoring........................................................................................................................731
ERPM Behavior on a typical Dell EMC Networking OS ...........................................................................................733
Decapsulation of ERPM packets at the Destination IP/ Analyzer..................................................................... 733
Port Monitoring on VLT.................................................................................................................................................734
VLT Non-fail over Scenario.....................................................................................................................................735
VLT Fail-over Scenario............................................................................................................................................ 735
RPM over VLT Scenarios........................................................................................................................................735
39 Per-VLAN Spanning Tree Plus (PVST+)....................................................................................................737
Protocol Overview......................................................................................................................................................... 737
Implementation Information..........................................................................................................................................738
Congure Per-VLAN Spanning Tree Plus....................................................................................................................738
Related Conguration Tasks................................................................................................................................... 738
Enabling PVST+..............................................................................................................................................................738
Disabling PVST+.............................................................................................................................................................739
Inuencing PVST+ Root Selection...............................................................................................................................739
Modifying Global PVST+ Parameters........................................................................................................................... 741
Modifying Interface PVST+ Parameters......................................................................................................................742
Conguring an EdgePort...............................................................................................................................................743
PVST+ in Multi-Vendor Networks................................................................................................................................743
Enabling PVST+ Extend System ID..............................................................................................................................743
PVST+ Sample Congurations..................................................................................................................................... 744
40 Quality of Service (QoS).......................................................................................................................... 747
Implementation Information..........................................................................................................................................749
Port-Based QoS Congurations...................................................................................................................................749
Setting dot1p Priorities for Incoming Trac......................................................................................................... 749
Honoring dot1p Priorities on Ingress Trac..........................................................................................................750
Conguring Port-Based Rate Policing....................................................................................................................751
Conguring Port-Based Rate Shaping...................................................................................................................751
Policy-Based QoS Congurations................................................................................................................................752
Classify Trac.......................................................................................................................................................... 752
Dot1p to Queue Mapping Requirement.................................................................................................................756
Create a QoS Policy.................................................................................................................................................756
DSCP Color Maps....................................................................................................................................................759
Create Policy Maps...................................................................................................................................................761
Enabling QoS Rate Adjustment....................................................................................................................................765
Enabling Strict-Priority Queueing................................................................................................................................ 765
Queue Classication Requirements for PFC Functionality....................................................................................... 766
Support for marking dot1p value in L3 Input Qos Policy...........................................................................................766
Weighted Random Early Detection..............................................................................................................................767
Enabling and Disabling WRED Globally..................................................................................................................767
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