Connectivity Guide

Table Of Contents
Chapter 11: Control Plane Policing (CoPP)................................................................................ 236
Configure Control Plane Policing.................................................................................................................................237
Configuring CoPP for Protocols............................................................................................................................238
Configuring CoPP for CPU Queues......................................................................................................................239
CoPP for OSPFv3 Packets.....................................................................................................................................240
Configuring CoPP for OSPFv3.............................................................................................................................. 243
Displaying CoPP Configuration .............................................................................................................................244
Chapter 12: Data Center Bridging (DCB)....................................................................................246
Ethernet Enhancements in Data Center Bridging...................................................................................................246
Priority-Based Flow Control................................................................................................................................... 247
Enhanced Transmission Selection.........................................................................................................................248
Data Center Bridging Exchange Protocol (DCBx)............................................................................................249
Data Center Bridging in a Traffic Flow................................................................................................................ 249
Enabling Data Center Bridging.................................................................................................................................... 250
DCB Maps and its Attributes................................................................................................................................. 250
Data Center Bridging: Default Configuration............................................................................................................251
Configuring Priority-Based Flow Control...................................................................................................................251
Configuring Lossless Queues................................................................................................................................. 252
Configuring PFC in a DCB Map................................................................................................................................... 253
Applying a DCB Map on a Port....................................................................................................................................254
Configuring PFC without a DCB Map........................................................................................................................255
Priority-Based Flow Control Using Dynamic Buffer Method............................................................................... 256
Behavior of Tagged Packets........................................................................................................................................ 257
Configuration Example for DSCP and PFC Priorities.............................................................................................258
Using PFC to Manage Converged Ethernet Traffic...............................................................................................259
Configure Enhanced Transmission Selection........................................................................................................... 259
ETS Prerequisites and Restrictions...................................................................................................................... 259
Creating an ETS Priority Group.............................................................................................................................260
ETS Operation with DCBx...................................................................................................................................... 260
Configuring Bandwidth Allocation for DCBx CIN............................................................................................... 261
Configuring ETS in a DCB Map..............................................................................................................................262
Hierarchical Scheduling in ETS Output Policies...................................................................................................... 263
Using ETS to Manage Converged Ethernet Traffic............................................................................................... 263
Applying DCB Policies in a Switch Stack.................................................................................................................. 263
Configure a DCBx Operation........................................................................................................................................264
DCBx Operation.........................................................................................................................................................264
DCBx Port Roles........................................................................................................................................................264
DCB Configuration Exchange................................................................................................................................ 265
Configuration Source Election............................................................................................................................... 266
Propagation of DCB Information...........................................................................................................................266
Auto-Detection and Manual Configuration of the DCBx Version..................................................................266
DCBx Example............................................................................................................................................................267
DCBx Prerequisites and Restrictions....................................................................................................................267
Configuring DCBx..................................................................................................................................................... 268
Verifying the DCB Configuration..................................................................................................................................271
QoS dot1p Traffic Classification and Queue Assignment......................................................................................279
Configuring the Dynamic Buffer Method..................................................................................................................280
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