Reference Guide

Configuring DCBx........................................................................................................................................... 255
Verifying the DCB Configuration...........................................................................................................................259
PFC and ETS Configuration Examples...................................................................................................................269
Using PFC and ETS to Manage Data Center Traffic............................................................................................. 269
PFC and ETS Configuration Command Examples...........................................................................................271
Using PFC and ETS to Manage Converged Ethernet Traffic in a Switch Stack.............................................272
Hierarchical Scheduling in ETS Output Policies............................................................................................ 272
13 Dynamic Host Configuration Protocol (DHCP)................................................................. 275
DHCP Packet Format and Options........................................................................................................................ 275
Assign an IP Address using DHCP........................................................................................................................277
Implementation Information................................................................................................................................. 278
Configure the System to be a DHCP Server..........................................................................................................278
Configuring the Server for Automatic Address Allocation.............................................................................279
Specifying a Default Gateway........................................................................................................................280
Configure a Method of Hostname Resolution................................................................................................ 280
Using DNS for Address Resolution................................................................................................................ 280
Using NetBIOS WINS for Address Resolution...............................................................................................281
Creating Manual Binding Entries................................................................................................................... 281
Debugging the DHCP Server..........................................................................................................................281
Using DHCP Clear Commands........................................................................................................................282
Configure the System to be a Relay Agent........................................................................................................... 282
Configure the System to be a DHCP Client........................................................................................................... 284
DHCP Client Operation with Other Features.................................................................................................. 284
DHCP Client on a Management Interface......................................................................................................285
Configure the System for User Port Stacking (Option 230)...................................................................................285
Configure Secure DHCP........................................................................................................................................286
Option 82.........................................................................................................................................................286
DHCP Snooping.............................................................................................................................................. 286
Drop DHCP Packets on Snooped VLANs Only............................................................................................... 288
Dynamic ARP Inspection................................................................................................................................289
Configuring Dynamic ARP Inspection............................................................................................................ 290
Source Address Validation...................................................................................................................................291
Enabling IP Source Address Validation......................................................................................................... 291
DHCP MAC Source Address Validation......................................................................................................... 291
Enabling IP+MAC Source Address Validation............................................................................................... 292
14 Equal Cost Multi-Path (ECMP)............................................................................................ 293
ECMP for Flow-Based Affinity.............................................................................................................................. 293
Configuring the Hash Algorithm..................................................................................................................... 293
Enabling Deterministic ECMP Next Hop........................................................................................................ 293
Configuring the Hash Algorithm Seed............................................................................................................294