Users Guide

Chapter 13: Dynamic Host Configuration Protocol (DHCP)............................................................. 247
DHCP Packet Format and Options.................................................................................................................................247
Assign an IP Address using DHCP.................................................................................................................................. 248
Implementation Information.............................................................................................................................................249
Configure the System to be a DHCP Server.................................................................................................................250
Configuring the Server for Automatic Address Allocation.....................................................................................250
Specifying a Default Gateway.................................................................................................................................... 251
Configure a Method of Hostname Resolution..........................................................................................................251
Using DNS for Address Resolution........................................................................................................................... 252
Using NetBIOS WINS for Address Resolution.........................................................................................................252
Creating Manual Binding Entries............................................................................................................................... 252
Debugging the DHCP Server.....................................................................................................................................252
Using DHCP Clear Commands.................................................................................................................................. 253
Configure the System to be a Relay Agent................................................................................................................... 253
Configure the System to be a DHCP Client.................................................................................................................. 254
Configuring the DHCP Client System...................................................................................................................... 255
DHCP Client on a Management Interface............................................................................................................... 256
DHCP Client Operation with Other Features.......................................................................................................... 257
Configure the System for User Port Stacking (Option 230).......................................................................................257
Configure Secure DHCP.................................................................................................................................................. 258
Option 82......................................................................................................................................................................258
DHCP Snooping...........................................................................................................................................................258
Drop DHCP Packets on Snooped VLANs Only........................................................................................................ 261
Dynamic ARP Inspection............................................................................................................................................. 261
Configuring Dynamic ARP Inspection.......................................................................................................................262
Source Address Validation............................................................................................................................................... 263
Enabling IP Source Address Validation..................................................................................................................... 263
DHCP MAC Source Address Validation................................................................................................................... 264
Enabling IP+MAC Source Address Validation..........................................................................................................264
Viewing the Number of SAV Dropped Packets.......................................................................................................264
Clearing the Number of SAV Dropped Packets...................................................................................................... 265
Chapter 14: Equal Cost Multi-Path (ECMP)................................................................................... 266
ECMP for Flow-Based Affinity........................................................................................................................................266
Configuring the Hash Algorithm................................................................................................................................266
Enabling Deterministic ECMP Next Hop..................................................................................................................266
Configuring the Hash Algorithm Seed...................................................................................................................... 267
Link Bundle Monitoring..................................................................................................................................................... 267
Managing ECMP Group Paths.................................................................................................................................. 268
Creating an ECMP Group Bundle............................................................................................................................. 268
Modifying the ECMP Group Threshold.................................................................................................................... 268
RTAG7................................................................................................................................................................................ 269
Flow-based Hashing for ECMP.......................................................................................................................................270
Chapter 15: FIP Snooping.............................................................................................................273
Fibre Channel over Ethernet............................................................................................................................................273
Ensure Robustness in a Converged Ethernet Network............................................................................................... 273
FIP Snooping on Ethernet Bridges..................................................................................................................................274
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