Concept Guide

Conguring Remote Port Mirroring........................................................................................................................718
Displaying Remote-Port Mirroring Congurations...............................................................................................720
Conguration procedure for Remote Port Mirroring........................................................................................... 720
Encapsulated Remote Port Monitoring.......................................................................................................................725
ERPM Behavior on a typical Dell EMC Networking OS ........................................................................................... 727
Decapsulation of ERPM packets at the Destination IP/ Analyzer..................................................................... 727
Port Monitoring on VLT.................................................................................................................................................728
VLT Non-fail over Scenario.....................................................................................................................................728
VLT Fail-over Scenario............................................................................................................................................ 729
RPM over VLT Scenarios........................................................................................................................................729
39 Per-VLAN Spanning Tree Plus (PVST+).................................................................................................... 731
Protocol Overview..........................................................................................................................................................731
Implementation Information..........................................................................................................................................732
Congure Per-VLAN Spanning Tree Plus....................................................................................................................732
Related Conguration Tasks................................................................................................................................... 732
Enabling PVST+..............................................................................................................................................................732
Disabling PVST+.............................................................................................................................................................733
Inuencing PVST+ Root Selection...............................................................................................................................733
Modifying Global PVST+ Parameters.......................................................................................................................... 735
Modifying Interface PVST+ Parameters..................................................................................................................... 736
Conguring an EdgePort...............................................................................................................................................737
PVST+ in Multi-Vendor Networks................................................................................................................................737
Enabling PVST+ Extend System ID..............................................................................................................................737
PVST+ Sample Congurations..................................................................................................................................... 738
40 Quality of Service (QoS).......................................................................................................................... 741
Implementation Information..........................................................................................................................................743
Port-Based QoS Congurations...................................................................................................................................743
Setting dot1p Priorities for Incoming Trac......................................................................................................... 743
Honoring dot1p Priorities on Ingress Trac.......................................................................................................... 744
Conguring Port-Based Rate Policing...................................................................................................................745
Conguring Port-Based Rate Shaping.................................................................................................................. 745
Policy-Based QoS Congurations................................................................................................................................746
Classify Trac.......................................................................................................................................................... 746
Dot1p to Queue Mapping Requirement.................................................................................................................750
Create a QoS Policy.................................................................................................................................................750
DSCP Color Maps....................................................................................................................................................753
Create Policy Maps..................................................................................................................................................755
Enabling QoS Rate Adjustment....................................................................................................................................759
Enabling Strict-Priority Queueing................................................................................................................................ 759
Queue Classication Requirements for PFC Functionality.......................................................................................760
Support for marking dot1p value in L3 Input Qos Policy...........................................................................................760
Weighted Random Early Detection...............................................................................................................................761
Enabling and Disabling WRED Globally.................................................................................................................. 761
Creating WRED Proles.......................................................................................................................................... 762
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