Setup Guide

Changing MED Attributes.......................................................................................................................................204
Changing the LOCAL_PREFERENCE Attribute..................................................................................................204
Conguring the local System or a Dierent System to be the Next Hop for BGP-Learned Routes............ 205
Changing the WEIGHT Attribute...........................................................................................................................206
Enabling Multipath...................................................................................................................................................206
Filtering BGP Routes...............................................................................................................................................206
Filtering BGP Routes Using Route Maps..............................................................................................................208
Filtering BGP Routes Using AS-PATH Information............................................................................................. 208
Conguring BGP Route Reectors....................................................................................................................... 209
Aggregating Routes..................................................................................................................................................210
Conguring BGP Confederations...........................................................................................................................210
Enabling Route Flap Dampening..............................................................................................................................211
Changing BGP Timers..............................................................................................................................................213
Enabling BGP Neighbor Soft-Reconguration......................................................................................................213
Enabling or disabling BGP neighbors......................................................................................................................214
Route Map Continue................................................................................................................................................216
Enabling MBGP Congurations.................................................................................................................................... 216
Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor.......................................... 217
BGP Regular Expression Optimization.........................................................................................................................217
Debugging BGP.............................................................................................................................................................. 217
Storing Last and Bad PDUs.....................................................................................................................................218
Capturing PDUs........................................................................................................................................................219
PDU Counters.......................................................................................................................................................... 220
Sample Congurations.................................................................................................................................................. 220
10 Content Addressable Memory (CAM).......................................................................................................227
CAM Allocation...............................................................................................................................................................227
Test CAM Usage............................................................................................................................................................229
View CAM-ACL Settings.............................................................................................................................................. 229
View CAM Usage............................................................................................................................................................231
Conguring CAM Threshold and Silence Period.........................................................................................................231
Setting CAM Threshold and Silence Period.......................................................................................................... 231
CAM Optimization......................................................................................................................................................... 232
Troubleshoot CAM Proling..........................................................................................................................................232
QoS CAM Region Limitation...................................................................................................................................233
11 Control Plane Policing (CoPP).................................................................................................................. 234
Congure Control Plane Policing................................................................................................................................. 235
Conguring CoPP for Protocols............................................................................................................................ 236
Conguring CoPP for CPU Queues...................................................................................................................... 238
CoPP for OSPFv3 Packets.....................................................................................................................................239
Conguring CoPP for OSPFv3.............................................................................................................................. 242
Displaying CoPP Conguration ............................................................................................................................. 242
12 Dynamic Host Conguration Protocol (DHCP).........................................................................................245
DHCP Packet Format and Options............................................................................................................................. 245
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