Owners Manual

Implementation Information.............................................................................................................317
Configure the System to be a DHCP Server.................................................................................... 318
Configuring the Server for Automatic Address Allocation........................................................ 318
Specifying a Default Gateway.....................................................................................................320
Configure a Method of Hostname Resolution.......................................................................... 320
Using DNS for Address Resolution.............................................................................................320
Using NetBIOS WINS for Address Resolution............................................................................320
Creating Manual Binding Entries.................................................................................................321
Debugging the DHCP Server...................................................................................................... 321
Using DHCP Clear Commands...................................................................................................321
Configure the System to be a Relay Agent......................................................................................322
Configure the System to be a DHCP Client.................................................................................... 324
DHCP Client Operation with Other Features............................................................................ 324
DHCP Client on a Management Interface................................................................................. 325
Configure the System for User Port Stacking (Option 230)............................................................326
Configure Secure DHCP...................................................................................................................326
Option 82.................................................................................................................................... 326
DHCP Snooping.......................................................................................................................... 327
Drop DHCP Packets on Snooped VLANs Only..........................................................................329
Dynamic ARP Inspection............................................................................................................ 329
Configuring Dynamic ARP Inspection........................................................................................ 331
Source Address Validation................................................................................................................332
Enabling IP Source Address Validation.......................................................................................332
DHCP MAC Source Address Validation......................................................................................332
Enabling IP+MAC Source Address Validation............................................................................ 333
15 Equal Cost Multi-Path (ECMP)..................................................................... 334
ECMP for Flow-Based Affinity.......................................................................................................... 334
Configuring the Hash Algorithm................................................................................................ 334
Enabling Deterministic ECMP Next Hop....................................................................................334
Configuring the Hash Algorithm Seed....................................................................................... 335
Link Bundle Monitoring.....................................................................................................................335
Managing ECMP Group Paths.................................................................................................... 336
Creating an ECMP Group Bundle...............................................................................................337
Modifying the ECMP Group Threshold...................................................................................... 337
16 FCoE Transit.................................................................................................... 339
Fibre Channel over Ethernet............................................................................................................ 339
Ensure Robustness in a Converged Ethernet Network...................................................................339
FIP Snooping on Ethernet Bridges....................................................................................................341
FIP Snooping in a Switch Stack........................................................................................................ 343
Using FIP Snooping...........................................................................................................................343