White Papers

Table Of Contents
Configuring CAM Threshold and Silence Period..................................................................................................... 240
CAM Optimization........................................................................................................................................................... 241
Troubleshoot CAM Profiling......................................................................................................................................... 242
QoS CAM Region Limitation...................................................................................................................................242
Chapter 11: Control Plane Policing (CoPP)................................................................................ 243
Configure Control Plane Policing................................................................................................................................ 244
Configuring CoPP for Protocols............................................................................................................................245
Configuring CoPP for CPU Queues......................................................................................................................246
CoPP for OSPFv3 Packets..................................................................................................................................... 247
Configuring CoPP for OSPFv3.............................................................................................................................. 250
Displaying CoPP Configuration ............................................................................................................................. 251
Chapter 12: Data Center Bridging (DCB)....................................................................................253
Ethernet Enhancements in Data Center Bridging...................................................................................................253
Priority-Based Flow Control................................................................................................................................... 254
Enhanced Transmission Selection.........................................................................................................................255
Data Center Bridging Exchange Protocol (DCBx)............................................................................................256
Data Center Bridging in a Traffic Flow................................................................................................................ 256
Enabling Data Center Bridging.....................................................................................................................................257
DCB Maps and its Attributes..................................................................................................................................257
Data Center Bridging: Default Configuration........................................................................................................... 258
Configuring Priority-Based Flow Control.................................................................................................................. 258
Configuring Lossless Queues................................................................................................................................. 259
Configuring PFC in a DCB Map...................................................................................................................................260
Applying a DCB Map on a Port.....................................................................................................................................261
Configuring PFC without a DCB Map........................................................................................................................ 262
Priority-Based Flow Control Using Dynamic Buffer Method............................................................................... 263
Behavior of Tagged Packets........................................................................................................................................ 264
Configuration Example for DSCP and PFC Priorities.............................................................................................265
Using PFC to Manage Converged Ethernet Traffic...............................................................................................266
Configure Enhanced Transmission Selection........................................................................................................... 266
ETS Prerequisites and Restrictions...................................................................................................................... 266
Creating an ETS Priority Group............................................................................................................................. 267
ETS Operation with DCBx.......................................................................................................................................267
Configuring Bandwidth Allocation for DCBx CIN.............................................................................................. 268
Configuring ETS in a DCB Map..............................................................................................................................269
Hierarchical Scheduling in ETS Output Policies.......................................................................................................270
Using ETS to Manage Converged Ethernet Traffic................................................................................................270
Applying DCB Policies in a Switch Stack...................................................................................................................270
Configure a DCBx Operation.........................................................................................................................................271
DCBx Operation..........................................................................................................................................................271
DCBx Port Roles.........................................................................................................................................................271
DCB Configuration Exchange.................................................................................................................................272
Configuration Source Election............................................................................................................................... 273
Propagation of DCB Information........................................................................................................................... 273
Auto-Detection and Manual Configuration of the DCBx Version..................................................................273
DCBx Example............................................................................................................................................................274
DCBx Prerequisites and Restrictions....................................................................................................................274
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