Users Guide

QoS dot1p Trac Classication and Queue Assignment.......................................................................................... 279
Conguring the Dynamic Buer Method................................................................................................................... 280
Sample DCB Conguration............................................................................................................................................281
PFC and ETS Conguration Command Examples...............................................................................................283
13 Dynamic Host Conguration Protocol (DHCP)......................................................................................... 284
DHCP Packet Format and Options............................................................................................................................. 284
Assign an IP Address using DHCP...............................................................................................................................286
Implementation Information..........................................................................................................................................287
Congure the System to be a DHCP Server..............................................................................................................287
Conguring the Server for Automatic Address Allocation..................................................................................288
Specifying a Default Gateway................................................................................................................................ 289
Congure a Method of Hostname Resolution..................................................................................................... 289
Using DNS for Address Resolution........................................................................................................................289
Using NetBIOS WINS for Address Resolution..................................................................................................... 290
Creating Manual Binding Entries............................................................................................................................290
Debugging the DHCP Server.................................................................................................................................290
Using DHCP Clear Commands............................................................................................................................... 291
Congure the System to be a DHCP Client................................................................................................................291
Conguring the DHCP Client System....................................................................................................................291
DHCP Client on a Management Interface............................................................................................................293
DHCP Client Operation with Other Features.......................................................................................................293
Congure the System for User Port Stacking (Option 230)....................................................................................294
Congure Secure DHCP...............................................................................................................................................294
Option 82..................................................................................................................................................................295
DHCP Snooping.......................................................................................................................................................295
Conguring the DHCP secondary-subnet............................................................................................................299
Drop DHCP Packets on Snooped VLANs Only....................................................................................................299
Dynamic ARP Inspection........................................................................................................................................ 300
Conguring Dynamic ARP Inspection....................................................................................................................301
Source Address Validation............................................................................................................................................ 302
Enabling IP Source Address Validation..................................................................................................................302
DHCP MAC Source Address Validation................................................................................................................ 303
Enabling IP+MAC Source Address Validation.......................................................................................................303
Viewing the Number of SAV Dropped Packets................................................................................................... 304
Clearing the Number of SAV Dropped Packets...................................................................................................304
14 Equal Cost Multi-Path (ECMP)................................................................................................................305
ECMP for Flow-Based Anity.....................................................................................................................................305
Conguring the Hash Algorithm............................................................................................................................ 305
Enabling Deterministic ECMP Next Hop.............................................................................................................. 305
Conguring the Hash Algorithm Seed.................................................................................................................. 306
Link Bundle Monitoring................................................................................................................................................. 306
Managing ECMP Group Paths...............................................................................................................................307
Creating an ECMP Group Bundle.......................................................................................................................... 307
Modifying the ECMP Group Threshold.................................................................................................................307
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