Users Guide

Auto-Detection and Manual Configuration of the DCBx Version.........................286
DCBx Example.................................................................................................................. 286
DCBx Prerequisites and Restrictions............................................................................287
Configuring DCBx............................................................................................................ 287
Verifying the DCB Configuration........................................................................................ 291
QoS dot1p Traffic Classification and Queue Assignment..............................................301
Configuring the Dynamic Buffer Method......................................................................... 302
Sample DCB Configuration................................................................................................. 303
PFC and ETS Configuration Command Examples....................................................305
12 Dynamic Host Configuration Protocol (DHCP)............................................................306
DHCP Packet Format and Options.................................................................................... 306
Assign an IP Address using DHCP...................................................................................... 308
Implementation Information...............................................................................................309
Configure the System to be a DHCP Server.....................................................................310
Configuring the Server for Automatic Address Allocation....................................... 311
Specifying a Default Gateway........................................................................................ 312
Configure a Method of Hostname Resolution........................................................... 312
Using DNS for Address Resolution................................................................................313
Using NetBIOS WINS for Address Resolution.............................................................313
Creating Manual Binding Entries................................................................................... 313
Debugging the DHCP Server......................................................................................... 314
Using DHCP Clear Commands......................................................................................314
Configure the System to be a DHCP Client......................................................................314
Configuring the DHCP Client System.......................................................................... 315
DHCP Client on a Management Interface...................................................................317
DHCP Client Operation with Other Features..............................................................317
Configure the System for User Port Stacking (Option 230)..........................................318
Configure Secure DHCP....................................................................................................... 319
Option 82........................................................................................................................... 319
DHCP Snooping............................................................................................................... 320
Drop DHCP Packets on Snooped VLANs Only.......................................................... 323
Dynamic ARP Inspection................................................................................................ 324
Configuring Dynamic ARP Inspection......................................................................... 325
Source Address Validation....................................................................................................326
Enabling IP Source Address Validation........................................................................ 326
DHCP MAC Source Address Validation........................................................................327
Enabling IP+MAC Source Address Validation.............................................................327
Viewing the Number of SAV Dropped Packets..........................................................328
Clearing the Number of SAV Dropped Packets.........................................................329
13 Equal Cost Multi-Path (ECMP)......................................................................................... 330
9.10(0.1)
10