Administrator Guide

Table Of Contents
Regular Expressions as Filters................................................................................................................................ 165
Redistributing Routes............................................................................................................................................... 166
Enabling Additional Paths.........................................................................................................................................167
Configuring IP Community Lists............................................................................................................................. 167
Configuring an IP Extended Community List...................................................................................................... 168
Filtering Routes with Community Lists.................................................................................................................169
Manipulating the COMMUNITY Attribute............................................................................................................169
Changing MED Attributes........................................................................................................................................ 170
Changing the LOCAL_PREFERENCE Attribute..................................................................................................171
Changing the NEXT_HOP Attribute...................................................................................................................... 171
Changing the WEIGHT Attribute............................................................................................................................172
Enabling Multipath..................................................................................................................................................... 172
Filtering BGP Routes.................................................................................................................................................172
Filtering BGP Routes Using Route Maps............................................................................................................. 173
Filtering BGP Routes Using AS-PATH Information........................................................................................... 174
Configuring BGP Route Reflectors........................................................................................................................174
Aggregating Routes...................................................................................................................................................175
Configuring BGP Confederations...........................................................................................................................175
Enabling Route Flap Dampening.............................................................................................................................176
Changing BGP Timers...............................................................................................................................................178
Enabling BGP Neighbor Soft-Reconfiguration....................................................................................................178
Route Map Continue................................................................................................................................................. 179
Enabling MBGP Configurations....................................................................................................................................180
BGP Regular Expression Optimization....................................................................................................................... 180
Debugging BGP................................................................................................................................................................180
Storing Last and Bad PDUs......................................................................................................................................181
Capturing PDUs..........................................................................................................................................................182
PDU Counters.............................................................................................................................................................183
Sample Configurations................................................................................................................................................... 183
Chapter 10: Content Addressable Memory (CAM)...................................................................... 189
CAM Allocation.................................................................................................................................................................189
Test CAM Usage...............................................................................................................................................................191
View CAM Profiles........................................................................................................................................................... 191
View CAM-ACL Settings............................................................................................................................................... 192
View CAM Usage............................................................................................................................................................. 193
CAM Optimization........................................................................................................................................................... 194
Troubleshoot CAM Profiling..........................................................................................................................................194
QoS CAM Region Limitation....................................................................................................................................194
Chapter 11: Control Plane Policing (CoPP).................................................................................195
Configure Control Plane Policing.................................................................................................................................196
Configuring CoPP for Protocols.............................................................................................................................197
Configuring CoPP for CPU Queues.......................................................................................................................198
CoPP for OSPFv3 Packets......................................................................................................................................199
Configuring CoPP for OSPFv3.............................................................................................................................. 202
Show Commands...................................................................................................................................................... 203
Chapter 12: Dynamic Host Configuration Protocol (DHCP)........................................................ 205
Contents
7