Configure Control Plane Policing.................................................................................................... 238Configuring CoPP for Protocols................................................................................................ 239Configuring CoPP for CPU Queues........................................................................................... 241CoPP for OSPFv3 Packets...........................................................................................................242Configuring CoPP for OSPFv3....................................................................................................245Show Commands....................................................................................................................... 24612 Dynamic Host Configuration Protocol (DHCP)........................................248DHCP Packet Format and Options.................................................................................................. 248Assign an IP Address using DHCP.................................................................................................... 250Implementation Information............................................................................................................ 251Configure the System to be a DHCP Server.................................................................................... 252Configuring the Server for Automatic Address Allocation........................................................ 252Specifying a Default Gateway.....................................................................................................254Configure a Method of Hostname Resolution.......................................................................... 254Using DNS for Address Resolution............................................................................................. 254Using NetBIOS WINS for Address Resolution............................................................................ 254Creating Manual Binding Entries................................................................................................ 254Debugging the DHCP Server...................................................................................................... 255Using DHCP Clear Commands...................................................................................................255Configure the System to be a Relay Agent...................................................................................... 255Configure the System to be a DHCP Client.....................................................................................257DHCP Client on a Management Interface................................................................................. 258DHCP Client Operation with Other Features............................................................................ 258Configure the System for User Port Stacking (Option 230)............................................................259Configure Secure DHCP...................................................................................................................259Option 82.................................................................................................................................... 260DHCP Snooping..........................................................................................................................260Drop DHCP Packets on Snooped VLANs Only..........................................................................264Dynamic ARP Inspection............................................................................................................ 264Configuring Dynamic ARP Inspection........................................................................................265Source Address Validation................................................................................................................266Enabling IP Source Address Validation.......................................................................................267DHCP MAC Source Address Validation...................................................................................... 267Enabling IP+MAC Source Address Validation............................................................................ 267Viewing the Number of SAV Dropped Packets..........................................................................268Clearing the Number of SAV Dropped Packets.........................................................................26913 Equal Cost Multi-Path (ECMP)..................................................................... 270ECMP for Flow-Based Affinity.......................................................................................................... 270Configuring the Hash Algorithm................................................................................................ 270Enabling Deterministic ECMP Next Hop.................................................................................... 270