Service Manual

DCBx Operation................................................................................................................................................ 271
DCBx Port Roles................................................................................................................................................272
DCB Configuration Exchange........................................................................................................................273
Configuration Source Election...................................................................................................................... 273
Propagation of DCB Information..................................................................................................................274
Auto-Detection and Manual Configuration of the DCBx Version......................................................... 274
DCBx Example...................................................................................................................................................275
DCBx Prerequisites and Restrictions............................................................................................................ 275
Configuring DCBx.............................................................................................................................................275
Verifying the DCB Configuration........................................................................................................................ 279
QoS dot1p Traffic Classification and Queue Assignment............................................................................. 288
Configuring the Dynamic Buffer Method......................................................................................................... 289
Sample DCB Configuration................................................................................................................................. 290
PFC and ETS Configuration Command Examples.....................................................................................291
14 Dynamic Host Configuration Protocol (DHCP)...........................................................................................292
DHCP Packet Format and Options.....................................................................................................................292
Assign an IP Address using DHCP...................................................................................................................... 294
Implementation Information............................................................................................................................... 295
Configure the System to be a DHCP Server.....................................................................................................295
Configuring the Server for Automatic Address Allocation...................................................................... 296
Specifying a Default Gateway........................................................................................................................297
Configure a Method of Hostname Resolution.......................................................................................... 298
Using DNS for Address Resolution............................................................................................................... 298
Using NetBIOS WINS for Address Resolution............................................................................................ 298
Creating Manual Binding Entries...................................................................................................................298
Debugging the DHCP Server.........................................................................................................................299
Using DHCP Clear Commands..................................................................................................................... 299
Configure the System to be a Relay Agent.......................................................................................................299
Configure the System to be a DHCP Client......................................................................................................301
Configuring the DHCP Client System.......................................................................................................... 301
DHCP Client on a Management Interface.................................................................................................. 302
DHCP Client Operation with Other Features.............................................................................................303
Configure the System for User Port Stacking (Option 230)......................................................................... 304
Configure Secure DHCP...................................................................................................................................... 304
Option 82...........................................................................................................................................................304
DHCP Snooping............................................................................................................................................... 305
Drop DHCP Packets on Snooped VLANs Only..........................................................................................308
Dynamic ARP Inspection................................................................................................................................ 309
Configuring Dynamic ARP Inspection..........................................................................................................310
Source Address Validation.....................................................................................................................................311
Enabling IP Source Address Validation......................................................................................................... 311
DHCP MAC Source Address Validation........................................................................................................312
Enabling IP+MAC Source Address Validation.............................................................................................312
Viewing the Number of SAV Dropped Packets.......................................................................................... 312
Clearing the Number of SAV Dropped Packets..........................................................................................313
9.10(0.0)
10