Users Guide

DHCP Packet Format and Options.............................................................................................................................285
Assign an IP Address using DHCP...............................................................................................................................287
Implementation Information......................................................................................................................................... 288
Configure the System to be a DHCP Server............................................................................................................. 288
Configuring the Server for Automatic Address Allocation................................................................................. 289
Specifying a Default Gateway................................................................................................................................290
Configure a Method of Hostname Resolution.....................................................................................................290
Using DNS for Address Resolution........................................................................................................................290
Using NetBIOS WINS for Address Resolution......................................................................................................291
Creating Manual Binding Entries............................................................................................................................ 291
Debugging the DHCP Server..................................................................................................................................291
Using DHCP Clear Commands.............................................................................................................................. 292
Configure the System to be a Relay Agent................................................................................................................292
Configure the System to be a DHCP Client...............................................................................................................294
Configuring the DHCP Client System...................................................................................................................294
DHCP Client on a Management Interface............................................................................................................295
DHCP Client Operation with Other Features...................................................................................................... 296
Configure the System for User Port Stacking (Option 230)...................................................................................297
Configure Secure DHCP...............................................................................................................................................297
Option 82.................................................................................................................................................................. 297
DHCP Snooping.......................................................................................................................................................298
Drop DHCP Packets on Snooped VLANs Only.................................................................................................... 301
Dynamic ARP Inspection........................................................................................................................................ 302
Configuring Dynamic ARP Inspection................................................................................................................... 303
Source Address Validation............................................................................................................................................304
Enabling IP Source Address Validation................................................................................................................. 304
DHCP MAC Source Address Validation............................................................................................................... 305
Enabling IP+MAC Source Address Validation......................................................................................................305
Viewing the Number of SAV Dropped Packets...................................................................................................306
Clearing the Number of SAV Dropped Packets.................................................................................................. 306
14 Equal Cost Multi-Path (ECMP)................................................................................................................307
ECMP for Flow-Based Affinity.................................................................................................................................... 307
Configuring the Hash Algorithm............................................................................................................................ 307
Enabling Deterministic ECMP Next Hop.............................................................................................................. 307
Configuring the Hash Algorithm Seed.................................................................................................................. 308
Link Bundle Monitoring................................................................................................................................................. 308
Managing ECMP Group Paths.............................................................................................................................. 309
Creating an ECMP Group Bundle..........................................................................................................................309
Modifying the ECMP Group Threshold................................................................................................................ 309
RTAG7............................................................................................................................................................................. 310
Flow-based Hashing for ECMP.....................................................................................................................................311
15 FIP Snooping............................................................................................................................................ 314
Fibre Channel over Ethernet.........................................................................................................................................314
Ensure Robustness in a Converged Ethernet Network............................................................................................ 314
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