Service Manual

View CAM Usage.................................................................................................................................................... 239
CAM Optimization..................................................................................................................................................239
Troubleshoot CAM Profiling................................................................................................................................ 239
CAM Profile Mismatches.................................................................................................................................239
QoS CAM Region Limitation..........................................................................................................................240
12 Control Plane Policing (CoPP)........................................................................................................................241
Configure Control Plane Policing.......................................................................................................................243
Configuring CoPP for Protocols................................................................................................................... 243
Configuring CoPP for CPU Queues............................................................................................................. 245
CoPP for OSPFv3 Packets.............................................................................................................................. 246
Configuring CoPP for OSPFv3.......................................................................................................................249
Displaying CoPP Configuration ................................................................................................................... 250
13 Data Center Bridging (DCB)............................................................................................................................ 252
Ethernet Enhancements in Data Center Bridging...........................................................................................252
Priority-Based Flow Control...........................................................................................................................253
Enhanced Transmission Selection................................................................................................................254
Data Center Bridging Exchange Protocol (DCBx)..................................................................................... 255
Data Center Bridging in a Traffic Flow.........................................................................................................256
Enabling Data Center Bridging............................................................................................................................256
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
PFC Configuration Notes............................................................................................................................... 260
PFC Prerequisites and Restrictions............................................................................................................... 261
Applying a DCB Map on a Port............................................................................................................................ 261
Configuring PFC without a DCB Map................................................................................................................262
Configuring Lossless QueuesExample:....................................................................................................... 262
Priority-Based Flow Control Using Dynamic Buffer Method....................................................................... 264
Pause and Resume of Traffic.........................................................................................................................264
Buffer Sizes for Lossless or PFC Packets.....................................................................................................264
Behavior of Tagged Packets................................................................................................................................ 265
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..................................................................................................................... 266
ETS Operation with DCBx.............................................................................................................................. 268
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..........................................................................................271
Applying DCB Policies in a Switch Stack........................................................................................................... 271
Configure a DCBx Operation............................................................................................................................... 271
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