Install Guide

Table Of Contents
Configure the System to be a DHCP Server........................................................................................................... 280
Configuring the Server for Automatic Address Allocation..............................................................................280
Specifying a Default Gateway.................................................................................................................................281
Configure a Method of Hostname Resolution....................................................................................................282
Using DNS for Address Resolution....................................................................................................................... 282
Using NetBIOS WINS for Address Resolution....................................................................................................282
Creating Manual Binding Entries........................................................................................................................... 282
Debugging the DHCP Server..................................................................................................................................283
Using DHCP Clear Commands...............................................................................................................................283
Configure the System to be a DHCP Client............................................................................................................. 283
Configuring the DHCP Client System.................................................................................................................. 283
DHCP Client on a Management Interface...........................................................................................................285
DHCP Client Operation with Other Features.....................................................................................................285
DHCP Relay When DHCP Server and Client are in Different VRFs................................................................... 286
Configuring Route Leaking between VRFs on DHCP Relay Agent...............................................................286
Non-default VRF configuration for DHCPv6 helper address............................................................................... 287
Configuring DHCP relay source interface................................................................................................................. 287
Global DHCP relay source IPv4 or IPv6 configuration ....................................................................................288
Interface level DHCP relay source IPv4 or IPv6 configuration .....................................................................288
Configure the System for User Port Stacking (Option 230)............................................................................... 289
Configure Secure DHCP............................................................................................................................................... 289
Option 82 (DHCPv4 relay options).......................................................................................................................290
DHCPv6 relay agent options..................................................................................................................................290
DHCP Snooping..........................................................................................................................................................291
Drop DHCP Packets on Snooped VLANs Only.................................................................................................. 295
Dynamic ARP Inspection......................................................................................................................................... 295
Configuring Dynamic ARP Inspection.................................................................................................................. 296
Source Address Validation............................................................................................................................................ 297
Enabling IP Source Address Validation.................................................................................................................297
DHCP MAC Source Address Validation...............................................................................................................298
Enabling IP+MAC Source Address Validation.................................................................................................... 298
Viewing the Number of SAV Dropped Packets................................................................................................. 299
Clearing the Number of SAV Dropped Packets.................................................................................................299
Chapter 13: Equal Cost Multi-Path (ECMP)............................................................................... 300
ECMP for Flow-Based Affinity.................................................................................................................................... 300
Configuring the Hash Algorithm............................................................................................................................300
Enabling Deterministic ECMP Next Hop............................................................................................................. 300
Configuring the Hash Algorithm Seed.................................................................................................................. 301
Link Bundle Monitoring...................................................................................................................................................301
Managing ECMP Group Paths...............................................................................................................................302
Creating an ECMP Group Bundle..........................................................................................................................302
Modifying the ECMP Group Threshold................................................................................................................302
Support for /128 IPv6 and /32 IPv4 Prefixes in Layer 3 Host Table and LPM Table..............................303
Support for ECMP in host table............................................................................................................................303
Support for moving /128 IPv6 Prefixes and /32 IPv4 Prefixes ....................................................................303
Chapter 14: FIP Snooping.......................................................................................................... 304
Fibre Channel over Ethernet........................................................................................................................................304
Contents
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