Users Guide

Hierarchical Scheduling in ETS Output Policies........................................................................................................ 262
Using ETS to Manage Converged Ethernet Trac...................................................................................................263
Applying DCB Policies in a Switch Stack........................................................................................................................ 263
Congure a DCBx Operation..........................................................................................................................................263
DCBx Operation....................................................................................................................................................... 263
DCBx Port Roles...................................................................................................................................................... 264
DCB Conguration Exchange...................................................................................................................................265
Conguration Source Election..................................................................................................................................265
Propagation of DCB Information.............................................................................................................................. 266
Auto-Detection and Manual Conguration of the DCBx Version.............................................................................. 266
DCBx Example..........................................................................................................................................................267
DCBx Prerequisites and Restrictions........................................................................................................................ 267
Conguring DCBx.....................................................................................................................................................267
Verifying the DCB Conguration..................................................................................................................................... 271
QoS dot1p Trac Classication and Queue Assignment.................................................................................................280
Conguring the Dynamic Buer Method.........................................................................................................................281
Sample DCB Conguration.............................................................................................................................................282
PFC and ETS Conguration Command Examples.................................................................................................... 284
14 Dynamic Host Conguration Protocol (DHCP).......................................................... 285
DHCP Packet Format and Options.................................................................................................................................285
Assign an IP Address using DHCP.................................................................................................................................. 287
Implementation Information............................................................................................................................................287
Congure the System to be a DHCP Server.................................................................................................................. 288
Conguring the Server for Automatic Address Allocation.........................................................................................288
Specifying a Default Gateway.................................................................................................................................. 290
Congure a Method of Hostname Resolution.......................................................................................................... 290
Using DNS for Address Resolution...........................................................................................................................290
Using NetBIOS WINS for Address Resolution.......................................................................................................... 290
Creating Manual Binding Entries.............................................................................................................................. 290
Debugging the DHCP Server....................................................................................................................................291
Using DHCP Clear Commands..................................................................................................................................291
Congure the System to be a Relay Agent......................................................................................................................291
Congure the System to be a DHCP Client....................................................................................................................293
Conguring the DHCP Client System.......................................................................................................................293
DHCP Client on a Management Interface................................................................................................................ 294
DHCP Client Operation with Other Features............................................................................................................295
Congure the System for User Port Stacking (Option 230)...........................................................................................296
Congure Secure DHCP................................................................................................................................................ 296
Option 82.................................................................................................................................................................296
DHCP Snooping....................................................................................................................................................... 297
Drop DHCP Packets on Snooped VLANs Only.........................................................................................................300
Dynamic ARP Inspection..........................................................................................................................................300
Conguring Dynamic ARP Inspection........................................................................................................................301
Source Address Validation..............................................................................................................................................302
Enabling IP Source Address Validation......................................................................................................................302
10