Users Guide

CAM Allocation.............................................................................................................................................................. 225
Test CAM Usage............................................................................................................................................................ 227
View CAM-ACL Settings................................................................................................................................................ 227
View CAM Usage...........................................................................................................................................................229
CAM Optimization..........................................................................................................................................................229
Troubleshoot CAM Proling............................................................................................................................................229
CAM Prole Mismatches..........................................................................................................................................229
QoS CAM Region Limitation.....................................................................................................................................230
12 Control Plane Policing (CoPP)....................................................................................231
Congure Control Plane Policing.................................................................................................................................... 232
Conguring CoPP for Protocols............................................................................................................................... 233
Conguring CoPP for CPU Queues..........................................................................................................................235
CoPP for OSPFv3 Packets...................................................................................................................................... 236
Conguring CoPP for OSPFv3.................................................................................................................................238
Displaying CoPP Conguration ................................................................................................................................239
13 Data Center Bridging (DCB)....................................................................................... 241
Ethernet Enhancements in Data Center Bridging............................................................................................................241
Priority-Based Flow Control..................................................................................................................................... 242
Enhanced Transmission Selection.............................................................................................................................243
Data Center Bridging Exchange Protocol (DCBx).....................................................................................................244
Data Center Bridging in a Trac Flow...................................................................................................................... 244
Enabling Data Center Bridging........................................................................................................................................245
DCB Maps and its Attributes....................................................................................................................................245
QoS dot1p Trac Classication and Queue Assignment.................................................................................................246
Data Center Bridging: Default Conguration...................................................................................................................247
Conguring Priority-Based Flow Control........................................................................................................................ 247
Conguring Lossless Queues....................................................................................................................................248
Conguring PFC in a DCB Map......................................................................................................................................249
PFC Conguration Notes......................................................................................................................................... 249
PFC Prerequisites and Restrictions.......................................................................................................................... 250
Applying a DCB Map on a Port........................................................................................................................................251
Priority-Based Flow Control Using Dynamic Buer Method............................................................................................251
Pause and Resume of Trac.....................................................................................................................................251
Buer Sizes for Lossless or PFC Packets.................................................................................................................252
Conguring PFC without a DCB Map............................................................................................................................ 252
Conguring Lossless QueuesExample:..................................................................................................................... 253
Behavior of Tagged Packets...........................................................................................................................................254
Conguration Example for DSCP and PFC Priorities......................................................................................................255
Using PFC to Manage Converged Ethernet Trac........................................................................................................ 255
Congure Enhanced Transmission Selection.................................................................................................................. 255
ETS Prerequisites and Restrictions...........................................................................................................................256
Creating an ETS Priority Group................................................................................................................................ 256
ETS Operation with DCBx........................................................................................................................................257
Conguring Bandwidth Allocation for DCBx CIN...................................................................................................... 257
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