Setup Guide

Setting CAM Threshold and Silence Period......................................................................................................... 245
Return to the Default CAM Conguration..................................................................................................................246
CAM Optimization......................................................................................................................................................... 246
Applications for CAM Proling..................................................................................................................................... 246
LAG HashingLAG Hashing Based on Bidirectional Flow..................................................................................... 246
Unied Forwarding Table (UFT) Modes......................................................................................................................247
Conguring UFT Modes..........................................................................................................................................247
10 Control Plane Policing (CoPP)................................................................................................................. 249
CoPP Implementation................................................................................................................................................... 249
Protocol-based Control Plane Policing..................................................................................................................249
Queue-based Control Plane Policing.....................................................................................................................249
CoPP Example................................................................................................................................................................ 251
Congure Control Plane Policing................................................................................................................................. 252
Conguring CoPP for Protocols............................................................................................................................ 252
Examples of Conguring CoPP for Protocols...................................................................................................... 253
Conguring CoPP for CPU Queues...................................................................................................................... 254
Examples of Conguring CoPP for CPU Queues................................................................................................255
Displaying CoPP Conguration.............................................................................................................................. 256
Troubleshooting CoPP Operation................................................................................................................................ 259
Enabling CPU Trac Statistics.............................................................................................................................. 259
Viewing CPU Trac Statistics............................................................................................................................... 259
Troubleshooting CPU Packet Loss........................................................................................................................ 260
Viewing Per-Protocol CoPP Counters...................................................................................................................261
Viewing Per-Queue CoPP Counters..................................................................................................................... 264
11 Data Center Bridging (DCB)..................................................................................................................... 265
Enabling Data Center Bridging.....................................................................................................................................265
Ethernet Enhancements in Data Center Bridging..................................................................................................... 266
Priority-Based Flow Control....................................................................................................................................267
Enhanced Transmission Selection..........................................................................................................................268
Data Center Bridging Exchange Protocol (DCBx)...............................................................................................269
Data Center Bridging in a Trac Flow.................................................................................................................. 269
QoS dot1p Trac Classication and Queue Assignment.......................................................................................... 270
SNMP Support for PFC and Buer Statistics Tracking............................................................................................270
DCB Maps and its Attributes.........................................................................................................................................271
DCB Map: Conguration Procedure.......................................................................................................................271
Important Points to Remember..............................................................................................................................272
Applying a DCB Map on a Port.............................................................................................................................. 272
Conguring PFC without a DCB Map...................................................................................................................273
Conguring Lossless Queues..................................................................................................................................273
Applying a DCB Map on a Line Card..................................................................................................................... 275
Data Center Bridging: Default Conguration..............................................................................................................275
Conguration Notes: PFC and ETS in a DCB Map....................................................................................................276
PFC Conguration Notes........................................................................................................................................276
ETS Conguration Notes........................................................................................................................................ 277
Contents
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