Install Guide

Table Of Contents
Chapter 11: Control Plane Policing (CoPP)................................................................................ 240
Configure Control Plane Policing................................................................................................................................. 241
Configuring CoPP for Protocols............................................................................................................................242
Configuring CoPP for CPU Queues......................................................................................................................243
CoPP for OSPFv3 Packets.....................................................................................................................................244
Configuring CoPP for OSPFv3.............................................................................................................................. 247
Displaying CoPP Configuration .............................................................................................................................248
Chapter 12: Data Center Bridging (DCB)................................................................................... 250
Ethernet Enhancements in Data Center Bridging...................................................................................................250
Priority-Based Flow Control....................................................................................................................................251
Enhanced Transmission Selection.........................................................................................................................252
Data Center Bridging Exchange Protocol (DCBx)............................................................................................253
Data Center Bridging in a Traffic Flow................................................................................................................ 253
Enabling Data Center Bridging.....................................................................................................................................254
DCB Maps and its Attributes................................................................................................................................. 254
Data Center Bridging: Default Configuration...........................................................................................................255
Configuring Priority-Based Flow Control.................................................................................................................. 255
Configuring Lossless Queues................................................................................................................................. 256
Configuring PFC in a DCB Map................................................................................................................................... 257
Applying a DCB Map on a Port....................................................................................................................................258
Configuring PFC without a DCB Map........................................................................................................................259
Priority-Based Flow Control Using Dynamic Buffer Method............................................................................... 260
Behavior of Tagged Packets.........................................................................................................................................261
Configuration Example for DSCP and PFC Priorities.............................................................................................262
Using PFC to Manage Converged Ethernet Traffic...............................................................................................263
Configure Enhanced Transmission Selection........................................................................................................... 263
ETS Prerequisites and Restrictions...................................................................................................................... 263
Creating an ETS Priority Group............................................................................................................................. 264
ETS Operation with DCBx.......................................................................................................................................264
Configuring Bandwidth Allocation for DCBx CIN.............................................................................................. 265
Configuring ETS in a DCB Map..............................................................................................................................266
Hierarchical Scheduling in ETS Output Policies.......................................................................................................267
Using ETS to Manage Converged Ethernet Traffic................................................................................................267
Applying DCB Policies in a Switch Stack...................................................................................................................267
Configure a DCBx Operation........................................................................................................................................268
DCBx Operation.........................................................................................................................................................268
DCBx Port Roles........................................................................................................................................................268
DCB Configuration Exchange................................................................................................................................ 269
Configuration Source Election............................................................................................................................... 270
Propagation of DCB Information........................................................................................................................... 270
Auto-Detection and Manual Configuration of the DCBx Version..................................................................270
DCBx Example.............................................................................................................................................................271
DCBx Prerequisites and Restrictions.................................................................................................................... 271
Configuring DCBx......................................................................................................................................................272
Verifying the DCB Configuration.................................................................................................................................275
QoS dot1p Traffic Classification and Queue Assignment......................................................................................283
Configuring the Dynamic Buffer Method..................................................................................................................284
8
Contents