Reference Guide

Table Of Contents
Configuring CAM Threshold and Silence Period...................................................................................................... 241
CAM Optimization...........................................................................................................................................................242
Troubleshoot CAM Profiling......................................................................................................................................... 243
QoS CAM Region Limitation...................................................................................................................................243
Chapter 11: Control Plane Policing (CoPP)................................................................................ 244
Configure Control Plane Policing................................................................................................................................ 245
Configuring CoPP for Protocols............................................................................................................................246
Configuring CoPP for CPU Queues...................................................................................................................... 247
CoPP for OSPFv3 Packets.....................................................................................................................................248
Configuring CoPP for OSPFv3............................................................................................................................... 251
Displaying CoPP Configuration .............................................................................................................................252
Chapter 12: Data Center Bridging (DCB)....................................................................................254
Ethernet Enhancements in Data Center Bridging...................................................................................................254
Priority-Based Flow Control...................................................................................................................................255
Enhanced Transmission Selection.........................................................................................................................256
Data Center Bridging Exchange Protocol (DCBx)............................................................................................ 257
Data Center Bridging in a Traffic Flow................................................................................................................ 257
Enabling Data Center Bridging.....................................................................................................................................258
DCB Maps and its Attributes................................................................................................................................. 258
Data Center Bridging: Default Configuration...........................................................................................................259
Configuring Priority-Based Flow Control.................................................................................................................. 259
Configuring Lossless Queues................................................................................................................................. 260
Configuring PFC in a DCB Map....................................................................................................................................261
Applying a DCB Map on a Port....................................................................................................................................262
Configuring PFC without a DCB Map........................................................................................................................ 263
Priority-Based Flow Control Using Dynamic Buffer Method............................................................................... 264
Behavior of Tagged Packets........................................................................................................................................265
Configuration Example for DSCP and PFC Priorities.............................................................................................266
Using PFC to Manage Converged Ethernet Traffic............................................................................................... 267
Configure Enhanced Transmission Selection........................................................................................................... 267
ETS Prerequisites and Restrictions...................................................................................................................... 267
Creating an ETS Priority Group.............................................................................................................................268
ETS Operation with DCBx...................................................................................................................................... 268
Configuring Bandwidth Allocation for DCBx CIN.............................................................................................. 269
Configuring ETS in a DCB Map..............................................................................................................................270
Hierarchical Scheduling in ETS Output Policies....................................................................................................... 271
Using ETS to Manage Converged Ethernet Traffic................................................................................................ 271
Applying DCB Policies in a Switch Stack................................................................................................................... 271
Configure a DCBx Operation........................................................................................................................................ 272
DCBx Operation.........................................................................................................................................................272
DCBx Port Roles........................................................................................................................................................272
DCB Configuration Exchange.................................................................................................................................273
Configuration Source Election............................................................................................................................... 274
Propagation of DCB Information........................................................................................................................... 274
Auto-Detection and Manual Configuration of the DCBx Version..................................................................274
DCBx Example............................................................................................................................................................275
DCBx Prerequisites and Restrictions....................................................................................................................275
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