Concept Guide

View CAM-ACL Settings.............................................................................................................................................. 254
View CAM Usage...........................................................................................................................................................256
Conguring CAM Threshold and Silence Period........................................................................................................256
Setting CAM Threshold and Silence Period......................................................................................................... 256
CAM Optimization..........................................................................................................................................................257
Troubleshoot CAM Proling..........................................................................................................................................258
QoS CAM Region Limitation...................................................................................................................................258
11 Control Plane Policing (CoPP).................................................................................................................. 259
Congure Control Plane Policing................................................................................................................................. 260
Conguring CoPP for Protocols............................................................................................................................. 261
Conguring CoPP for CPU Queues...................................................................................................................... 263
CoPP for OSPFv3 Packets.....................................................................................................................................264
Conguring CoPP for OSPFv3...............................................................................................................................267
Displaying CoPP Conguration ............................................................................................................................. 267
12 Data Center Bridging (DCB)..................................................................................................................... 270
Ethernet Enhancements in Data Center Bridging......................................................................................................270
Priority-Based Flow Control.................................................................................................................................... 271
Enhanced Transmission Selection..........................................................................................................................272
Data Center Bridging Exchange Protocol (DCBx)...............................................................................................273
Data Center Bridging in a Trac Flow...................................................................................................................274
Enabling Data Center Bridging......................................................................................................................................274
DCB Maps and its Attributes..................................................................................................................................275
Data Center Bridging: Default Conguration..............................................................................................................276
Conguring Priority-Based Flow Control.................................................................................................................... 276
Conguring Lossless Queues..................................................................................................................................277
Conguring PFC in a DCB Map....................................................................................................................................278
PFC Conguration Notes........................................................................................................................................278
PFC Prerequisites and Restrictions....................................................................................................................... 279
Applying a DCB Map on a Port.................................................................................................................................... 279
Conguring PFC without a DCB Map.........................................................................................................................280
Conguring Lossless QueuesExample:..................................................................................................................280
Priority-Based Flow Control Using Dynamic Buer Method....................................................................................282
Pause and Resume of Trac..................................................................................................................................282
Buer Sizes for Lossless or PFC Packets.............................................................................................................282
Behavior of Tagged Packets.........................................................................................................................................283
Conguration Example for DSCP and PFC Priorities................................................................................................283
Using PFC to Manage Converged Ethernet Trac...................................................................................................284
Congure Enhanced Transmission Selection..............................................................................................................284
ETS Prerequisites and Restrictions....................................................................................................................... 284
Creating an ETS Priority Group............................................................................................................................. 285
ETS Operation with DCBx......................................................................................................................................286
Conguring Bandwidth Allocation for DCBx CIN................................................................................................ 286
Conguring ETS in a DCB Map..............................................................................................................................287
Hierarchical Scheduling in ETS Output Policies......................................................................................................... 288
Contents
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