Administrator Guide

Configuring AS4 Number Representations..........................................................................................................178
Configuring a BGP peer............................................................................................................................................179
Example-Configuring BGP routing between peers............................................................................................180
BGP peer group...........................................................................................................................................................181
Advanced BGP configuration tasks.............................................................................................................................188
Route-refresh and Soft-reconfiguration.............................................................................................................. 188
Aggregating Routes...................................................................................................................................................190
Filtering BGP...............................................................................................................................................................192
Configuring BGP Fast Fall-Over.............................................................................................................................197
Configuring Passive Peering................................................................................................................................... 199
Enabling Graceful Restart.......................................................................................................................................200
Redistributing Routes............................................................................................................................................... 201
Redistributing iBGP Routes into IGP.....................................................................................................................201
Enabling Additional Paths........................................................................................................................................204
Configuring IP Community Lists............................................................................................................................204
Configuring an IP Extended Community List..................................................................................................... 205
Configure BGP attributes....................................................................................................................................... 206
Enabling Multipath.....................................................................................................................................................210
Route Reflectors........................................................................................................................................................210
Enabling Route Flap Dampening.............................................................................................................................212
Changing BGP keepalive and hold timers............................................................................................................ 214
Setting the extended timer..................................................................................................................................... 214
Enabling or disabling BGP neighbors.....................................................................................................................215
Route Map Continue................................................................................................................................................. 216
Configuring BGP Confederations...........................................................................................................................217
Configuring a BGP VRF address family................................................................................................................ 217
Maintaining Existing AS Numbers During an AS Migration..............................................................................218
Allowing an AS Number to Appear in its Own AS Path.................................................................................... 219
Enabling MBGP Configurations............................................................................................................................. 220
MBGP support for IPv6...........................................................................................................................................220
Configuring IPv6 MBGP between peers............................................................................................................. 220
Example-Configuring IPv4 and IPv6 neighbors.................................................................................................. 221
Configure IPv6 NH Automatically for IPv6 Prefix Advertised over IPv4 Neighbor...................................223
BGP Regular Expression Optimization.................................................................................................................225
Debugging BGP......................................................................................................................................................... 225
Chapter 10: Content Addressable Memory (CAM)......................................................................227
CAM Allocation................................................................................................................................................................ 227
Test CAM Usage............................................................................................................................................................. 229
View CAM-ACL Settings...............................................................................................................................................229
View CAM Usage............................................................................................................................................................. 231
Configuring CAM Threshold and Silence Period...................................................................................................... 231
CAM Optimization...........................................................................................................................................................232
Troubleshoot CAM Profiling......................................................................................................................................... 233
QoS CAM Region Limitation...................................................................................................................................233
Chapter 11: Control Plane Policing (CoPP).................................................................................234
Configure Control Plane Policing................................................................................................................................ 235
Configuring CoPP for Protocols............................................................................................................................236
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