Reference Guide

Using DNS for Address Resolution.............................................................................................295
Using NetBIOS WINS for Address Resolution............................................................................ 295
Creating Manual Binding Entries................................................................................................296
Debugging the DHCP Server......................................................................................................296
Using DHCP Clear Commands.................................................................................................. 296
Configure the System to be a DHCP Client.....................................................................................297
Configuring the DHCP Client System........................................................................................ 297
DHCP Client on a Management Interface................................................................................. 299
DHCP Client Operation with Other Features............................................................................ 299
Configure the System for User Port Stacking (Option 230)........................................................... 300
Configure Secure DHCP...................................................................................................................301
Option 82.....................................................................................................................................301
DHCP Snooping..........................................................................................................................302
Drop DHCP Packets on Snooped VLANs Only..........................................................................304
Dynamic ARP Inspection............................................................................................................ 304
Configuring Dynamic ARP Inspection....................................................................................... 305
Source Address Validation................................................................................................................306
Enabling IP Source Address Validation...................................................................................... 306
DHCP MAC Source Address Validation......................................................................................307
Enabling IP+MAC Source Address Validation............................................................................ 307
13 Equal Cost Multi-Path (ECMP)........................................................................ 309
ECMP for Flow-Based Affinity..........................................................................................................309
Configuring the Hash Algorithm................................................................................................309
Enabling Deterministic ECMP Next Hop....................................................................................309
Configuring the Hash Algorithm Seed....................................................................................... 310
Link Bundle Monitoring.....................................................................................................................310
Managing ECMP Group Paths..................................................................................................... 311
Creating an ECMP Group Bundle............................................................................................... 312
Modifying the ECMP Group Threshold.......................................................................................312
14 Flex Hash and Optimized Boot-Up................................................................ 315
Flex Hash Capability Overview..........................................................................................................315
Configuring the Flex Hash Mechanism............................................................................................ 315
Configuring Fast Boot and LACP Fast Switchover...........................................................................316
Optimizing the Boot Time.................................................................................................................317
Booting Process When Optimized Boot Time Mechanism is Enabled..................................... 317
Guidelines for Configuring Optimized Booting Mechanism..................................................... 317
Interoperation of Applications with Fast Boot and System States.................................................. 318
LACP and IPv4 Routing............................................................................................................... 318
LACP and IPv6 Routing............................................................................................................... 319
BGP Graceful Restart...................................................................................................................319