Administrator Guide

11 Control Plane Policing (CoPP)......................................................................237
Configure Control Plane Policing.................................................................................................... 238
Configuring CoPP for Protocols................................................................................................ 239
Configuring CoPP for CPU Queues........................................................................................... 241
CoPP for OSPFv3 Packets...........................................................................................................242
Configuring CoPP for OSPFv3....................................................................................................245
Show Commands....................................................................................................................... 246
12 Dynamic Host Configuration Protocol (DHCP)........................................248
DHCP Packet Format and Options.................................................................................................. 248
Assign an IP Address using DHCP....................................................................................................250
Implementation Information............................................................................................................ 251
Configure the System to be a DHCP Server.................................................................................... 252
Configuring the Server for Automatic Address Allocation........................................................ 252
Specifying a Default Gateway.....................................................................................................254
Configure a Method of Hostname Resolution.......................................................................... 254
Using DNS for Address Resolution.............................................................................................254
Using NetBIOS WINS for Address Resolution............................................................................ 254
Creating Manual Binding Entries................................................................................................ 255
Debugging the DHCP Server......................................................................................................255
Using DHCP Clear Commands...................................................................................................255
Configure the System to be a Relay Agent......................................................................................256
Configure the System to be a DHCP Client.................................................................................... 258
DHCP Client on a Management Interface................................................................................. 258
DHCP Client Operation with Other Features............................................................................ 259
Configure the System for User Port Stacking (Option 230)........................................................... 260
Configure Secure DHCP.................................................................................................................. 260
Option 82....................................................................................................................................260
DHCP Snooping.......................................................................................................................... 261
Drop DHCP Packets on Snooped VLANs Only..........................................................................263
Dynamic ARP Inspection............................................................................................................ 263
Configuring Dynamic ARP Inspection........................................................................................265
Source Address Validation................................................................................................................266
Enabling IP Source Address Validation...................................................................................... 266
DHCP MAC Source Address Validation......................................................................................267
Enabling IP+MAC Source Address Validation............................................................................ 267
Viewing the Number of SAV Dropped Packets..........................................................................268
Clearing the Number of SAV Dropped Packets.........................................................................268
13 Equal Cost Multi-Path (ECMP)..................................................................... 269
ECMP for Flow-Based Affinity..........................................................................................................269