Concept Guide

Enabling or disabling BGP neighbors..................................................................................................................... 237
Route Map Continue............................................................................................................................................... 238
Conguring BGP Confederations.......................................................................................................................... 239
Conguring a BGP VRF address family................................................................................................................ 240
Maintaining Existing AS Numbers During an AS Migration................................................................................. 241
Allowing an AS Number to Appear in its Own AS Path.......................................................................................242
Enabling MBGP Congurations..............................................................................................................................243
MBGP support for IPv6.......................................................................................................................................... 243
Conguring IPv6 MBGP between peers...............................................................................................................243
Example-Conguring IPv4 and IPv6 neighbors................................................................................................... 244
Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor......................................... 246
BGP Regular Expression Optimization..................................................................................................................248
Debugging BGP........................................................................................................................................................248
10 Content Addressable Memory (CAM)....................................................................................................... 251
CAM Allocation............................................................................................................................................................... 251
Test CAM Usage............................................................................................................................................................253
View CAM-ACL Settings.............................................................................................................................................. 253
View CAM Usage...........................................................................................................................................................255
Conguring CAM Threshold and Silence Period........................................................................................................255
Setting CAM Threshold and Silence Period......................................................................................................... 255
CAM Optimization......................................................................................................................................................... 256
Troubleshoot CAM Proling..........................................................................................................................................257
CAM Prole Mismatches........................................................................................................................................ 257
QoS CAM Region Limitation...................................................................................................................................257
11 Control Plane Policing (CoPP).................................................................................................................. 258
Congure Control Plane Policing................................................................................................................................. 259
Conguring CoPP for Protocols............................................................................................................................ 260
Conguring CoPP for CPU Queues...................................................................................................................... 262
CoPP for OSPFv3 Packets.....................................................................................................................................263
Conguring CoPP for OSPFv3.............................................................................................................................. 266
Displaying CoPP Conguration .............................................................................................................................266
12 Dynamic Host Conguration Protocol (DHCP).........................................................................................269
DHCP Packet Format and Options............................................................................................................................. 269
Assign an IP Address using DHCP................................................................................................................................271
Implementation Information..........................................................................................................................................272
Congure the System to be a DHCP Server..............................................................................................................272
Conguring the Server for Automatic Address Allocation.................................................................................. 273
Specifying a Default Gateway.................................................................................................................................274
Congure a Method of Hostname Resolution......................................................................................................275
Using DNS for Address Resolution........................................................................................................................ 275
Using NetBIOS WINS for Address Resolution......................................................................................................275
Creating Manual Binding Entries............................................................................................................................275
Debugging the DHCP Server................................................................................................................................. 276
8
Contents