Table of Contents
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Storing Last and Bad PDUs.............................................................................................247
Capturing PDUs................................................................................................................ 248
PDU Counters................................................................................................................... 250
Sample Configurations......................................................................................................... 250
9 Content Addressable Memory (CAM)...............................................................................260
CAM Allocation.......................................................................................................................260
Test CAM Usage..................................................................................................................... 262
View CAM-ACL Settings....................................................................................................... 262
View CAM Usage.................................................................................................................... 263
Return to the Default CAM Configuration........................................................................264
CAM Optimization................................................................................................................. 265
Applications for CAM Profiling............................................................................................ 265
LAG HashingLAG Hashing Based on Bidirectional Flow..........................................265
Unified Forwarding Table (UFT) Modes.............................................................................265
Configuring UFT Modes..................................................................................................266
10 Control Plane Policing (CoPP).........................................................................................268
CoPP Implementation.......................................................................................................... 268
Protocol-based Control Plane Policing...................................................................... 268
Queue-based Control Plane Policing..........................................................................269
CoPP Example......................................................................................................................... 271
Configure Control Plane Policing.......................................................................................273
Configuring CoPP for Protocols................................................................................... 273
Examples of Configuring CoPP for Protocols............................................................274
Configuring CoPP for CPU Queues............................................................................. 275
Examples of Configuring CoPP for CPU Queues......................................................276
Displaying CoPP Configuration.....................................................................................276
Troubleshooting CoPP Operation...................................................................................... 281
Enabling CPU Traffic Statistics.......................................................................................281
Viewing CPU Traffic Statistics........................................................................................282
Troubleshooting CPU Packet Loss...............................................................................282
Viewing Per-Protocol CoPP Counters........................................................................ 284
Viewing Per-Queue CoPP Counters........................................................................... 288
11 Data Center Bridging (DCB)............................................................................................. 290
Enabling Data Center Bridging............................................................................................290
Ethernet Enhancements in Data Center Bridging........................................................... 291
Priority-Based Flow Control.......................................................................................... 292
Enhanced Transmission Selection................................................................................294
Data Center Bridging Exchange Protocol (DCBx).....................................................295
Data Center Bridging in a Traffic Flow........................................................................ 296
Version 9.10(0.0)
9
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Table of Contents
Troubleshooting
