Concept Guide

Example-Conguring IPv4 and IPv6 neighbors................................................................................................... 238
Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor......................................... 240
BGP Regular Expression Optimization.................................................................................................................. 242
Debugging BGP........................................................................................................................................................242
9 Content Addressable Memory (CAM)........................................................................................................245
CAM Allocation...............................................................................................................................................................245
Test CAM Usage............................................................................................................................................................ 247
View CAM Proles......................................................................................................................................................... 247
View CAM-ACL Settings.............................................................................................................................................. 248
View CAM Usage...........................................................................................................................................................249
Conguring CAM Threshold and Silence Period........................................................................................................250
Setting CAM Threshold and Silence Period......................................................................................................... 250
CAM Optimization.......................................................................................................................................................... 251
Troubleshoot CAM Proling...........................................................................................................................................251
QoS CAM Region Limitation................................................................................................................................... 251
Syslog Error When the Table is Full....................................................................................................................... 252
Syslog Warning Upon 90 Percent Utilization of CAM.........................................................................................252
Syslog Warning for Discrepancies Between Congured Extended Prexes....................................................252
Unied Forwarding Table (UFT) Modes......................................................................................................................252
Conguring UFT Modes..........................................................................................................................................252
10 Control Plane Policing (CoPP)................................................................................................................. 254
Congure Control Plane Policing................................................................................................................................. 255
Conguring CoPP for Protocols............................................................................................................................ 256
Conguring CoPP for CPU Queues...................................................................................................................... 258
Displaying CoPP Conguration .............................................................................................................................259
11 Data Center Bridging (DCB)...................................................................................................................... 261
Ethernet Enhancements in Data Center Bridging...................................................................................................... 261
Priority-Based Flow Control................................................................................................................................... 262
Enhanced Transmission Selection..........................................................................................................................263
Data Center Bridging Exchange Protocol (DCBx)...............................................................................................264
Data Center Bridging in a Trac Flow.................................................................................................................. 265
Enabling Data Center Bridging.....................................................................................................................................265
DCB Maps and its Attributes..................................................................................................................................266
Data Center Bridging: Default Conguration..............................................................................................................267
Conguring Priority-Based Flow Control.................................................................................................................... 267
Conguring Lossless Queues................................................................................................................................. 268
Conguring PFC in a DCB Map................................................................................................................................... 270
PFC Conguration Notes........................................................................................................................................270
PFC Prerequisites and Restrictions........................................................................................................................271
Applying a DCB Map on a Port..................................................................................................................................... 271
Conguring PFC without a DCB Map.........................................................................................................................272
Conguring Lossless QueuesExample:..................................................................................................................272
Conguring PFC Asymmetric.......................................................................................................................................273
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