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Full Kernel Core Dumps....................................................................................................................316
Enabling TCP Dumps.........................................................................................................................317
14 Dynamic Host Configuration Protocol (DHCP)........................................318
DHCP Packet Format and Options...................................................................................................318
Assign an IP Address using DHCP....................................................................................................320
Implementation Information............................................................................................................ 321
Configure the System to be a DHCP Server....................................................................................322
Configuring the Server for Automatic Address Allocation........................................................ 322
Specifying a Default Gateway.....................................................................................................324
Configure a Method of Hostname Resolution.......................................................................... 324
Using DNS for Address Resolution.............................................................................................324
Using NetBIOS WINS for Address Resolution............................................................................324
Creating Manual Binding Entries................................................................................................ 325
Debugging the DHCP Server......................................................................................................325
Using DHCP Clear Commands...................................................................................................325
Configure the System to be a Relay Agent......................................................................................326
Configure the System to be a DHCP Client.................................................................................... 328
DHCP Client on a Management Interface.................................................................................328
DHCP Client Operation with Other Features............................................................................ 329
Configure Secure DHCP...................................................................................................................329
Option 82....................................................................................................................................330
DHCP Snooping..........................................................................................................................330
Drop DHCP Packets on Snooped VLANs Only..........................................................................334
Dynamic ARP Inspection............................................................................................................ 334
Configuring Dynamic ARP Inspection........................................................................................335
Source Address Validation................................................................................................................336
Enabling IP Source Address Validation.......................................................................................337
DHCP MAC Source Address Validation......................................................................................337
Enabling IP+MAC Source Address Validation............................................................................ 337
Viewing the Number of SAV Dropped Packets..........................................................................338
Clearing the Number of SAV Dropped Packets.........................................................................338
15 Equal Cost Multi-Path (ECMP)..................................................................... 339
ECMP for Flow-Based Affinity..........................................................................................................339
Enabling Deterministic ECMP Next Hop....................................................................................339
Configuring the Hash Algorithm Seed.......................................................................................339
Link Bundle Monitoring....................................................................................................................340
Managing ECMP Group Paths....................................................................................................340
Creating an ECMP Group Bundle...............................................................................................341
Modifying the ECMP Group Threshold...................................................................................... 341
ECMP Support in L3 Host and LPM Tables......................................................................................342