Glossary
Sample DCB Configuration........................................................................................................................................... 287
Chapter 13: Dynamic Host Configuration Protocol (DHCP)........................................................ 289
DHCP Packet Format and Options.............................................................................................................................289
Assign an IP Address using DHCP...............................................................................................................................291
Implementation Information.......................................................................................................................................... 291
Configure the System to be a DHCP Server............................................................................................................292
Configuring the Server for Automatic Address Allocation..............................................................................292
Specifying a Default Gateway................................................................................................................................293
Configure a Method of Hostname Resolution....................................................................................................294
Using DNS for Address Resolution....................................................................................................................... 294
Using NetBIOS WINS for Address Resolution....................................................................................................294
Creating Manual Binding Entries........................................................................................................................... 294
Debugging the DHCP Server................................................................................................................................. 295
Using DHCP Clear Commands...............................................................................................................................295
Configure the System to be a Relay Agent.............................................................................................................. 295
Configure the System to be a DHCP Client............................................................................................................. 297
Configuring the DHCP Client System.................................................................................................................. 297
DHCP Client on a Management Interface...........................................................................................................298
DHCP Client Operation with Other Features.....................................................................................................299
DHCP Relay When DHCP Server and Client are in Different VRFs................................................................... 300
Configuring Route Leaking between VRFs on DHCP Relay Agent...............................................................300
Non-default VRF configuration for DHCPv6 helper address................................................................................301
Configuring DHCP relay source interface..................................................................................................................301
Global DHCP relay source IPv4 or IPv6 configuration .................................................................................... 301
Interface level DHCP relay source IPv4 or IPv6 configuration .....................................................................302
Configure the System for User Port Stacking (Option 230)............................................................................... 303
Configure Secure DHCP................................................................................................................................................303
Option 82 (DHCPv4 relay options).......................................................................................................................303
DHCPv6 relay agent options..................................................................................................................................304
DHCP Snooping.........................................................................................................................................................304
Drop DHCP Packets on Snooped VLANs Only.................................................................................................. 309
Dynamic ARP Inspection......................................................................................................................................... 309
Configuring Dynamic ARP Inspection.................................................................................................................. 309
Source Address Validation..............................................................................................................................................311
Enabling IP Source Address Validation..................................................................................................................311
DHCP MAC Source Address Validation.................................................................................................................311
Enabling IP+MAC Source Address Validation..................................................................................................... 312
Viewing the Number of SAV Dropped Packets.................................................................................................. 312
Clearing the Number of SAV Dropped Packets..................................................................................................313
Chapter 14: Equal Cost Multi-Path (ECMP)................................................................................314
ECMP for Flow-Based Affinity..................................................................................................................................... 314
Configuring the Hash Algorithm............................................................................................................................. 314
Enabling Deterministic ECMP Next Hop.............................................................................................................. 314
Configuring the Hash Algorithm Seed.................................................................................................................. 315
Link Bundle Monitoring...................................................................................................................................................315
Managing ECMP Group Paths................................................................................................................................316
Creating an ECMP Group Bundle.......................................................................................................................... 316
Contents
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