Administrator Guide

11 Control Plane Policing (CoPP).................................................................................................. 230
Configure Control Plane Policing..................................................................................................................................... 231
Configuring CoPP for Protocols................................................................................................................................232
Configuring CoPP for CPU Queues..........................................................................................................................233
CoPP for OSPFv3 Packets........................................................................................................................................ 234
Configuring CoPP for OSPFv3..................................................................................................................................236
Displaying CoPP Configuration .................................................................................................................................237
12 Data Center Bridging (DCB)..................................................................................................... 239
Ethernet Enhancements in Data Center Bridging.........................................................................................................239
Priority-Based Flow Control.......................................................................................................................................240
Enhanced Transmission Selection..............................................................................................................................241
Data Center Bridging Exchange Protocol (DCBx)..................................................................................................242
Data Center Bridging in a Traffic Flow..................................................................................................................... 242
Enabling Data Center Bridging.........................................................................................................................................242
DCB Maps and its Attributes..................................................................................................................................... 243
Data Center Bridging: Default Configuration.................................................................................................................243
Configuring Priority-Based Flow Control....................................................................................................................... 244
Configuring Lossless Queues..................................................................................................................................... 244
Configuring PFC in a DCB Map.......................................................................................................................................246
Applying a DCB Map on a Port........................................................................................................................................247
Configuring PFC without a DCB Map.............................................................................................................................247
Priority-Based Flow Control Using Dynamic Buffer Method.......................................................................................249
Behavior of Tagged Packets............................................................................................................................................249
Configuration Example for DSCP and PFC Priorities...................................................................................................250
Using PFC to Manage Converged Ethernet Traffic......................................................................................................251
Configure Enhanced Transmission Selection................................................................................................................. 251
ETS Prerequisites and Restrictions........................................................................................................................... 251
Creating an ETS Priority Group..................................................................................................................................251
ETS Operation with DCBx..........................................................................................................................................252
Configuring Bandwidth Allocation for DCBx CIN.................................................................................................... 253
Configuring ETS in a DCB Map................................................................................................................................. 253
Hierarchical Scheduling in ETS Output Policies............................................................................................................ 254
Using ETS to Manage Converged Ethernet Traffic..................................................................................................... 255
Applying DCB Policies in a Switch Stack....................................................................................................................... 255
Configure a DCBx Operation...........................................................................................................................................255
DCBx Operation...........................................................................................................................................................255
DCBx Port Roles..........................................................................................................................................................255
DCB Configuration Exchange.................................................................................................................................... 257
Configuration Source Election................................................................................................................................... 257
Propagation of DCB Information............................................................................................................................... 257
Auto-Detection and Manual Configuration of the DCBx Version......................................................................... 258
DCBx Example............................................................................................................................................................. 258
DCBx Prerequisites and Restrictions........................................................................................................................259
Configuring DCBx........................................................................................................................................................259
Verifying the DCB Configuration.....................................................................................................................................262
QoS dot1p Traffic Classification and Queue Assignment.............................................................................................270
Configuring the Dynamic Buffer Method........................................................................................................................271
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