Users Guide

Test CAM Usage............................................................................................................................................................ 230
View CAM-ACL Settings................................................................................................................................................230
View CAM Usage........................................................................................................................................................... 232
CAM Optimization..........................................................................................................................................................232
Troubleshoot CAM Proling............................................................................................................................................232
CAM Prole Mismatches..........................................................................................................................................232
QoS CAM Region Limitation.....................................................................................................................................233
12 Control Plane Policing (CoPP)................................................................................... 234
Congure Control Plane Policing.................................................................................................................................... 235
Conguring CoPP for Protocols............................................................................................................................... 236
Conguring CoPP for CPU Queues..........................................................................................................................237
CoPP for OSPFv3 Packets.......................................................................................................................................238
Conguring CoPP for OSPFv3..................................................................................................................................241
Show Commands.....................................................................................................................................................242
13 Data Center Bridging (DCB)...................................................................................... 244
Ethernet Enhancements in Data Center Bridging........................................................................................................... 244
Priority-Based Flow Control..................................................................................................................................... 245
Enhanced Transmission Selection.............................................................................................................................246
Data Center Bridging Exchange Protocol (DCBx).....................................................................................................247
Data Center Bridging in a Trac Flow.......................................................................................................................247
Enabling Data Center Bridging........................................................................................................................................247
DCB Maps and its Attributes....................................................................................................................................248
QoS dot1p Trac Classication and Queue Assignment.................................................................................................249
Data Center Bridging: Default Conguration.................................................................................................................. 250
Conguring Priority-Based Flow Control........................................................................................................................ 250
Conguring Lossless Queues.................................................................................................................................... 251
Conguring PFC in a DCB Map......................................................................................................................................252
PFC Conguration Notes......................................................................................................................................... 252
PFC Prerequisites and Restrictions.......................................................................................................................... 253
Applying a DCB Map on a Port.......................................................................................................................................254
Priority-Based Flow Control Using Dynamic Buer Method...........................................................................................254
Pause and Resume of Trac....................................................................................................................................254
Buer Sizes for Lossless or PFC Packets.................................................................................................................255
Conguring PFC without a DCB Map............................................................................................................................ 255
Conguring Lossless QueuesExample:..................................................................................................................... 256
Behavior of Tagged Packets...........................................................................................................................................257
Conguration Example for DSCP and PFC Priorities...................................................................................................... 257
Using PFC to Manage Converged Ethernet Trac........................................................................................................ 258
Congure Enhanced Transmission Selection.................................................................................................................. 258
ETS Prerequisites and Restrictions...........................................................................................................................259
Creating an ETS Priority Group................................................................................................................................ 259
ETS Operation with DCBx........................................................................................................................................260
Conguring Bandwidth Allocation for DCBx CIN......................................................................................................260
Conguring ETS in a DCB Map.................................................................................................................................261
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