Users Guide

LAG HashingLAG Hashing Based on Bidirectional Flow..................................................................................... 242
Unied Forwarding Table (UFT) Modes......................................................................................................................243
Conguring UFT Modes..........................................................................................................................................243
10 Control Plane Policing (CoPP)................................................................................................................. 245
CoPP Implementation................................................................................................................................................... 245
Protocol-based Control Plane Policing..................................................................................................................245
Queue-based Control Plane Policing.....................................................................................................................245
CoPP Example................................................................................................................................................................247
Congure Control Plane Policing................................................................................................................................. 248
Conguring CoPP for Protocols............................................................................................................................ 248
Examples of Conguring CoPP for Protocols...................................................................................................... 249
Conguring CoPP for CPU Queues...................................................................................................................... 250
Examples of Conguring CoPP for CPU Queues.................................................................................................251
Displaying CoPP Conguration.............................................................................................................................. 252
Troubleshooting CoPP Operation................................................................................................................................ 255
Enabling CPU Trac Statistics.............................................................................................................................. 255
Viewing CPU Trac Statistics............................................................................................................................... 255
Troubleshooting CPU Packet Loss........................................................................................................................ 256
Viewing Per-Protocol CoPP Counters.................................................................................................................. 257
Viewing Per-Queue CoPP Counters..................................................................................................................... 260
11 Data Center Bridging (DCB)...................................................................................................................... 261
Enabling Data Center Bridging......................................................................................................................................261
Ethernet Enhancements in Data Center Bridging..................................................................................................... 262
Priority-Based Flow Control................................................................................................................................... 263
Enhanced Transmission Selection..........................................................................................................................264
Data Center Bridging Exchange Protocol (DCBx)...............................................................................................265
Data Center Bridging in a Trac Flow.................................................................................................................. 265
QoS dot1p Trac Classication and Queue Assignment..........................................................................................266
SNMP Support for PFC and Buer Statistics Tracking............................................................................................266
DCB Maps and its Attributes........................................................................................................................................267
DCB Map: Conguration Procedure......................................................................................................................267
Important Points to Remember............................................................................................................................. 268
Applying a DCB Map on a Port.............................................................................................................................. 268
Conguring PFC without a DCB Map...................................................................................................................269
Conguring Lossless Queues................................................................................................................................. 269
Applying a DCB Map on a Line Card...................................................................................................................... 271
Data Center Bridging: Default Conguration...............................................................................................................271
Conguration Notes: PFC and ETS in a DCB Map....................................................................................................272
PFC Conguration Notes........................................................................................................................................272
ETS Conguration Notes........................................................................................................................................ 273
ETS Prerequisites and Restrictions........................................................................................................................273
Priority-Group Conguration Notes.......................................................................................................................274
Conguring Priority-Based Flow Control.................................................................................................................... 274
Conguring Lossless Queues..................................................................................................................................275
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