Administrator Guide

Using a Pre-Dened Buer Prole........................................................................................................................... 263
Sample Buer Prole Conguration......................................................................................................................... 264
Troubleshooting Packet Loss..........................................................................................................................................264
Displaying Drop Counters......................................................................................................................................... 264
Dataplane Statistics................................................................................................................................................. 266
Display Stack Port Statistics.....................................................................................................................................267
Display Stack Member Counters.............................................................................................................................. 267
Enabling Application Core Dumps................................................................................................................................... 267
Mini Core Dumps............................................................................................................................................................268
Enabling TCP Dumps..................................................................................................................................................... 269
14 Dynamic Host Conguration Protocol (DHCP)...........................................................270
DHCP Packet Format and Options.................................................................................................................................270
Assign an IP Address using DHCP............................................................................................................................ 272
Implementation Information............................................................................................................................................272
Congure the System to be a DHCP Server...................................................................................................................273
Conguring the Server for Automatic Address Allocation......................................................................................... 273
Conguration Tasks.................................................................................................................................................. 274
Specifying a Default Gateway...................................................................................................................................275
Enabling the DHCP Server....................................................................................................................................... 275
Congure a Method of Hostname Resolution...........................................................................................................275
Creating Manual Binding Entries...............................................................................................................................276
Debugging the DHCP Server....................................................................................................................................277
Using DHCP Clear Commands................................................................................................................................. 277
Congure the System to be a Relay Agent..................................................................................................................... 277
Congure the System to be a DHCP Client....................................................................................................................279
Conguring the DHCP Client System.......................................................................................................................279
DHCP Client on a Management Interface................................................................................................................ 282
DHCP Client Operation with Other Features............................................................................................................283
Congure Secure DHCP.................................................................................................................................................284
Option 82.................................................................................................................................................................284
DHCP Snooping....................................................................................................................................................... 284
Drop DHCP Packets on Snooped VLANs Only......................................................................................................... 287
Dynamic ARP Inspection..........................................................................................................................................288
Conguring Dynamic ARP Inspection.......................................................................................................................289
Source Address Validation........................................................................................................................................290
15 Equal Cost Multi-Path (ECMP)................................................................................. 292
ECMP for Flow-Based Anity....................................................................................................................................... 292
Enabling Deterministic ECMP Next Hop...................................................................................................................292
Link Bundle Monitoring...................................................................................................................................................292
Managing ECMP Group Paths....................................................................................................................................... 293
16 FC FLEXIO FPORT.................................................................................................... 294
FC FLEXIO FPORT........................................................................................................................................................ 294
Conguring Switch Mode to FCF Port Mode.................................................................................................................294
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