Administrator Guide

Configuring CAM Threshold and Silence Period............................................................................................................231
CAM Optimization.............................................................................................................................................................232
Troubleshoot CAM Profiling.............................................................................................................................................232
QoS CAM Region Limitation...................................................................................................................................... 232
11 Control Plane Policing (CoPP).................................................................................................. 233
Configure Control Plane Policing.....................................................................................................................................234
Configuring CoPP for Protocols................................................................................................................................235
Configuring CoPP for CPU Queues..........................................................................................................................236
CoPP for OSPFv3 Packets........................................................................................................................................ 237
Configuring CoPP for OSPFv3..................................................................................................................................239
Displaying CoPP Configuration .................................................................................................................................240
12 Data Center Bridging (DCB)..................................................................................................... 242
Ethernet Enhancements in Data Center Bridging.........................................................................................................242
Priority-Based Flow Control.......................................................................................................................................243
Enhanced Transmission Selection.............................................................................................................................244
Data Center Bridging Exchange Protocol (DCBx)..................................................................................................245
Data Center Bridging in a Traffic Flow..................................................................................................................... 245
Enabling Data Center Bridging........................................................................................................................................ 245
DCB Maps and its Attributes..................................................................................................................................... 246
Data Center Bridging: Default Configuration.................................................................................................................247
Configuring Priority-Based Flow Control........................................................................................................................247
Configuring Lossless Queues.....................................................................................................................................248
Configuring PFC in a DCB Map.......................................................................................................................................249
Applying a DCB Map on a Port........................................................................................................................................250
Configuring PFC without a DCB Map............................................................................................................................ 250
Priority-Based Flow Control Using Dynamic Buffer Method.......................................................................................252
Behavior of Tagged Packets............................................................................................................................................252
Configuration Example for DSCP and PFC Priorities................................................................................................... 253
Using PFC to Manage Converged Ethernet Traffic.....................................................................................................254
Configure Enhanced Transmission Selection................................................................................................................ 254
ETS Prerequisites and Restrictions...........................................................................................................................254
Creating an ETS Priority Group.................................................................................................................................254
ETS Operation with DCBx......................................................................................................................................... 255
Configuring Bandwidth Allocation for DCBx CIN....................................................................................................256
Configuring ETS in a DCB Map................................................................................................................................. 256
Hierarchical Scheduling in ETS Output Policies.............................................................................................................257
Using ETS to Manage Converged Ethernet Traffic..................................................................................................... 258
Applying DCB Policies in a Switch Stack....................................................................................................................... 258
Configure a DCBx Operation........................................................................................................................................... 258
DCBx Operation...........................................................................................................................................................258
DCBx Port Roles..........................................................................................................................................................258
DCB Configuration Exchange....................................................................................................................................260
Configuration Source Election...................................................................................................................................260
Propagation of DCB Information...............................................................................................................................260
Auto-Detection and Manual Configuration of the DCBx Version.......................................................................... 261
DCBx Example..............................................................................................................................................................261
DCBx Prerequisites and Restrictions........................................................................................................................262
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