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BGP Regular Expression Optimization........................................................................................................................205
Debugging BGP............................................................................................................................................................. 205
Storing Last and Bad PDUs....................................................................................................................................206
Capturing PDUs....................................................................................................................................................... 207
PDU Counters.......................................................................................................................................................... 208
Sample Congurations..................................................................................................................................................208
9 Content Addressable Memory (CAM)........................................................................................................ 215
CAM Allocation............................................................................................................................................................... 215
Test CAM Usage.............................................................................................................................................................217
View CAM Proles..........................................................................................................................................................217
View CAM-ACL Settings...............................................................................................................................................218
View CAM Usage........................................................................................................................................................... 219
Conguring CAM Threshold and Silence Period........................................................................................................220
Setting CAM Threshold and Silence Period......................................................................................................... 220
CAM Optimization.......................................................................................................................................................... 221
Troubleshoot CAM Proling...........................................................................................................................................221
QoS CAM Region Limitation................................................................................................................................... 221
Syslog Error When the Table is Full....................................................................................................................... 222
Syslog Warning Upon 90 Percent Utilization of CAM.........................................................................................222
Syslog Warning for Discrepancies Between Congured Extended Prexes....................................................222
Unied Forwarding Table (UFT) Modes......................................................................................................................222
Conguring UFT Modes..........................................................................................................................................222
10 Control Plane Policing (CoPP)..................................................................................................................224
Congure Control Plane Policing................................................................................................................................. 225
Conguring CoPP for Protocols............................................................................................................................ 226
Conguring CoPP for CPU Queues...................................................................................................................... 228
Displaying CoPP Conguration ............................................................................................................................. 229
11 Data Center Bridging (DCB)...................................................................................................................... 231
Ethernet Enhancements in Data Center Bridging...................................................................................................... 231
Priority-Based Flow Control................................................................................................................................... 232
Enhanced Transmission Selection..........................................................................................................................233
Data Center Bridging Exchange Protocol (DCBx)...............................................................................................234
Data Center Bridging in a Trac Flow.................................................................................................................. 235
Enabling Data Center Bridging.....................................................................................................................................235
DCB Maps and its Attributes..................................................................................................................................236
Data Center Bridging: Default Conguration..............................................................................................................237
Conguring Priority-Based Flow Control.................................................................................................................... 237
Conguring Lossless Queues................................................................................................................................. 238
Conguring PFC in a DCB Map................................................................................................................................... 240
PFC Conguration Notes........................................................................................................................................240
PFC Prerequisites and Restrictions........................................................................................................................241
Applying a DCB Map on a Port.....................................................................................................................................241
Conguring PFC without a DCB Map.........................................................................................................................242
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