Administrator Guide

Configuring the Dynamic Buffer Method...................................................................................................................285
Sample DCB Configuration...........................................................................................................................................286
PFC and ETS Configuration Command Examples.............................................................................................. 288
13 Dynamic Host Configuration Protocol (DHCP)........................................................................................ 289
DHCP Packet Format and Options.............................................................................................................................289
Assign an IP Address using DHCP............................................................................................................................... 291
Implementation Information......................................................................................................................................... 292
Configure the System to be a DHCP Server............................................................................................................. 292
Configuring the Server for Automatic Address Allocation................................................................................. 293
Specifying a Default Gateway................................................................................................................................294
Configure a Method of Hostname Resolution..................................................................................................... 294
Using DNS for Address Resolution........................................................................................................................294
Using NetBIOS WINS for Address Resolution.....................................................................................................295
Creating Manual Binding Entries........................................................................................................................... 295
Debugging the DHCP Server.................................................................................................................................295
Using DHCP Clear Commands.............................................................................................................................. 296
Configure the System to be a Relay Agent................................................................................................................296
Configure the System to be a DHCP Client...............................................................................................................298
Configuring the DHCP Client System...................................................................................................................298
DHCP Client on a Management Interface............................................................................................................299
DHCP Client Operation with Other Features...................................................................................................... 300
Configure the System for User Port Stacking (Option 230)................................................................................... 301
Configure Secure DHCP............................................................................................................................................... 301
Option 82...................................................................................................................................................................301
DHCP Snooping.......................................................................................................................................................302
Drop DHCP Packets on Snooped VLANs Only................................................................................................... 305
Dynamic ARP Inspection........................................................................................................................................ 306
Configuring Dynamic ARP Inspection................................................................................................................... 307
Source Address Validation............................................................................................................................................308
Enabling IP Source Address Validation................................................................................................................. 308
DHCP MAC Source Address Validation................................................................................................................309
Enabling IP+MAC Source Address Validation......................................................................................................309
Viewing the Number of SAV Dropped Packets....................................................................................................310
Clearing the Number of SAV Dropped Packets................................................................................................... 310
14 Equal Cost Multi-Path (ECMP)................................................................................................................. 311
ECMP for Flow-Based Affinity......................................................................................................................................311
Configuring the Hash Algorithm..............................................................................................................................311
Enabling Deterministic ECMP Next Hop................................................................................................................311
Configuring the Hash Algorithm Seed................................................................................................................... 312
Link Bundle Monitoring..................................................................................................................................................312
Managing ECMP Group Paths............................................................................................................................... 313
Creating an ECMP Group Bundle...........................................................................................................................313
Modifying the ECMP Group Threshold................................................................................................................. 313
RTAG7..............................................................................................................................................................................314
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