Administrator Guide

QoS dot1p Trac Classication and Queue Assignment..........................................................................................288
Conguring the Dynamic Buer Method................................................................................................................... 289
Sample DCB Conguration...........................................................................................................................................290
PFC and ETS Conguration Command Examples...............................................................................................292
13 Dynamic Host Conguration Protocol (DHCP)......................................................................................... 293
DHCP Packet Format and Options............................................................................................................................. 293
Assign an IP Address using DHCP...............................................................................................................................295
Implementation Information..........................................................................................................................................296
Congure the System to be a DHCP Server............................................................................................................. 296
Conguring the Server for Automatic Address Allocation.................................................................................. 297
Specifying a Default Gateway................................................................................................................................ 298
Congure a Method of Hostname Resolution..................................................................................................... 298
Using DNS for Address Resolution........................................................................................................................298
Using NetBIOS WINS for Address Resolution..................................................................................................... 299
Creating Manual Binding Entries............................................................................................................................299
Debugging the DHCP Server.................................................................................................................................299
Using DHCP Clear Commands.............................................................................................................................. 300
Congure the System to be a Relay Agent................................................................................................................ 300
Congure the System to be a DHCP Client............................................................................................................... 302
Conguring the DHCP Client System...................................................................................................................302
DHCP Client on a Management Interface............................................................................................................304
DHCP Client Operation with Other Features.......................................................................................................304
Congure the System for User Port Stacking (Option 230)................................................................................... 305
Congure Secure DHCP...............................................................................................................................................305
Option 82..................................................................................................................................................................306
DHCP Snooping.......................................................................................................................................................306
Drop DHCP Packets on Snooped VLANs Only....................................................................................................309
Dynamic ARP Inspection......................................................................................................................................... 310
Conguring Dynamic ARP Inspection.....................................................................................................................311
Source Address Validation............................................................................................................................................. 312
Enabling IP Source Address Validation...................................................................................................................312
DHCP MAC Source Address Validation................................................................................................................. 313
Enabling IP+MAC Source Address Validation........................................................................................................313
Viewing the Number of SAV Dropped Packets.................................................................................................... 314
Clearing the Number of SAV Dropped Packets....................................................................................................314
14 Equal Cost Multi-Path (ECMP).................................................................................................................315
ECMP for Flow-Based Anity......................................................................................................................................315
Conguring the Hash Algorithm.............................................................................................................................315
Enabling Deterministic ECMP Next Hop............................................................................................................... 315
Conguring the Hash Algorithm Seed................................................................................................................... 316
Link Bundle Monitoring.................................................................................................................................................. 316
Managing ECMP Group Paths................................................................................................................................317
Creating an ECMP Group Bundle...........................................................................................................................317
Modifying the ECMP Group Threshold..................................................................................................................317
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