Deployment Guide

Table Of Contents
Configuration procedure for Remote Port Mirroring....................................................................................... 659
Encapsulated Remote Port Monitoring..................................................................................................................... 663
ERPM Behavior on a typical Dell EMC Networking OS ....................................................................................... 665
Port Monitoring on VLT................................................................................................................................................ 666
Chapter 39: Per-VLAN Spanning Tree Plus (PVST+)..................................................................669
Protocol Overview..........................................................................................................................................................669
Implementation Information..........................................................................................................................................670
Configure Per-VLAN Spanning Tree Plus.................................................................................................................. 671
Enabling PVST+................................................................................................................................................................671
Disabling PVST+...............................................................................................................................................................671
Influencing PVST+ Root Selection..............................................................................................................................672
Modifying Global PVST+ Parameters.........................................................................................................................673
Modifying Interface PVST+ Parameters................................................................................................................... 673
Configuring an EdgePort...............................................................................................................................................674
PVST+ in Multi-Vendor Networks.............................................................................................................................. 675
Enabling PVST+ Extend System ID............................................................................................................................ 675
PVST+ Sample Configurations.................................................................................................................................... 676
Chapter 40: Quality of Service (QoS)........................................................................................ 678
Implementation Information......................................................................................................................................... 680
Port-Based QoS Configurations..................................................................................................................................680
Setting dot1p Priorities for Incoming Traffic......................................................................................................680
Honoring dot1p Priorities on Ingress Traffic........................................................................................................681
Configuring Port-Based Rate Policing..................................................................................................................681
Configuring Port-Based Rate Shaping................................................................................................................. 681
Policy-Based QoS Configurations...............................................................................................................................682
Classify Traffic...........................................................................................................................................................683
Dot1p to Queue Mapping Requirement............................................................................................................... 685
Create a QoS Policy................................................................................................................................................. 686
DSCP Color Maps..................................................................................................................................................... 688
Create Policy Maps.................................................................................................................................................. 690
Enabling QoS Rate Adjustment................................................................................................................................... 693
Enabling Strict-Priority Queueing............................................................................................................................... 694
Queue Classification Requirements for PFC Functionality...................................................................................694
Support for marking dot1p value in L3 Input Qos Policy....................................................................................... 694
Weighted Random Early Detection............................................................................................................................ 695
Creating WRED Profiles.......................................................................................................................................... 696
Applying a WRED Profile to Traffic...................................................................................................................... 696
Displaying Default and Configured WRED Profiles........................................................................................... 696
Displaying WRED Drop Statistics..........................................................................................................................696
Displaying egressqueue Statistics...................................................................................................................... 697
Pre-Calculating Available QoS CAM Space.............................................................................................................. 697
Specifying Policy-Based Rate Shaping in Packets Per Second...........................................................................698
Configuring Policy-Based Rate Shaping....................................................................................................................699
Configuring Weights and ECN for WRED ................................................................................................................699
Configuring WRED and ECN Attributes.................................................................................................................... 700
Guidelines for Configuring ECN for Classifying and Color-Marking Packets....................................................701
Sample configuration to mark non-ecn packets as yellow with Multiple traffic class..........................702
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