Deployment Guide

Table Of Contents
Enabling Graceful Restart........................................................................................................................................196
Redistributing Routes................................................................................................................................................197
Enabling Additional Paths........................................................................................................................................ 198
Configuring IP Community Lists.............................................................................................................................199
Configuring an IP Extended Community List..................................................................................................... 200
Configure BGP attributes........................................................................................................................................ 201
Enabling Multipath.................................................................................................................................................... 204
Route Reflectors....................................................................................................................................................... 205
Enabling Route Flap Dampening............................................................................................................................206
Changing BGP keepalive and hold timers........................................................................................................... 208
Setting the extended timer.................................................................................................................................... 209
Enabling or disabling BGP neighbors....................................................................................................................209
Route Map Continue................................................................................................................................................. 210
Configuring BGP Confederations........................................................................................................................... 211
Configuring a BGP VRF address family.................................................................................................................211
Maintaining Existing AS Numbers During an AS Migration..............................................................................213
Allowing an AS Number to Appear in its Own AS Path.................................................................................... 213
Enabling MBGP Configurations.............................................................................................................................. 214
MBGP support for IPv6............................................................................................................................................215
Configuring IPv6 MBGP between peers.............................................................................................................. 215
Example-Configuring IPv4 and IPv6 neighbors.................................................................................................. 215
Configure IPv6 NH Automatically for IPv6 Prefix Advertised over IPv4 Neighbor................................... 218
BGP Regular Expression Optimization..................................................................................................................219
Debugging BGP.......................................................................................................................................................... 219
Chapter 9: Content Addressable Memory (CAM)....................................................................... 222
CAM Allocation................................................................................................................................................................ 222
Test CAM Usage............................................................................................................................................................. 224
View CAM Profiles..........................................................................................................................................................224
View CAM-ACL Settings...............................................................................................................................................225
View CAM Usage............................................................................................................................................................ 226
Configuring CAM Threshold and Silence Period......................................................................................................227
CAM Optimization...........................................................................................................................................................228
Troubleshoot CAM Profiling......................................................................................................................................... 228
QoS CAM Region Limitation...................................................................................................................................228
Syslog Error When the Table is Full......................................................................................................................229
Syslog Warning Upon 90 Percent Utilization of CAM......................................................................................229
Syslog Warning for Discrepancies Between Configured Extended Prefixes.............................................. 229
Unified Forwarding Table (UFT) Modes....................................................................................................................229
Configuring UFT Modes.......................................................................................................................................... 229
Chapter 10: Control Plane Policing (CoPP)................................................................................ 231
Configure Control Plane Policing................................................................................................................................ 232
Configuring CoPP for Protocols............................................................................................................................233
Configuring CoPP for CPU Queues......................................................................................................................234
Displaying CoPP Configuration .............................................................................................................................235
Chapter 11: Data Center Bridging (DCB).................................................................................... 237
Ethernet Enhancements in Data Center Bridging................................................................................................... 237
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