Users Guide

Congure UDP Helper.............................................................................................................................................407
Important Points to Remember..............................................................................................................................407
Enabling UDP Helper..................................................................................................................................................... 407
Conguring a Broadcast Address................................................................................................................................ 407
Congurations Using UDP Helper............................................................................................................................... 408
UDP Helper with Broadcast-All Addresses.................................................................................................................408
UDP Helper with Subnet Broadcast Addresses.........................................................................................................409
UDP Helper with Congured Broadcast Addresses..................................................................................................409
UDP Helper with No Congured Broadcast Addresses............................................................................................ 410
Troubleshooting UDP Helper.........................................................................................................................................410
22 IPv6 Routing............................................................................................................................................. 411
Protocol Overview...........................................................................................................................................................411
Extended Address Space.........................................................................................................................................412
Stateless Autoconguration.................................................................................................................................... 412
IPv6 Headers.............................................................................................................................................................412
Longest Prex Match (LPM) Table and IPv6 /65 – /128 support.................................................................... 413
IPv6 Header Fields................................................................................................................................................... 414
Extension Header Fields.......................................................................................................................................... 416
Addressing................................................................................................................................................................. 417
Implementing IPv6 with Dell Networking OS..............................................................................................................418
ICMPv6............................................................................................................................................................................419
Path MTU Discovery.....................................................................................................................................................420
IPv6 Neighbor Discovery.............................................................................................................................................. 420
IPv6 Neighbor Discovery of MTU Packets........................................................................................................... 421
Conguring the IPv6 Recursive DNS Server........................................................................................................ 421
Debugging IPv6 RDNSS Information Sent to the Host ..................................................................................... 422
Displaying IPv6 RDNSS Information......................................................................................................................422
Secure Shell (SSH) Over an IPv6 Transport.............................................................................................................. 423
Conguration Tasks for IPv6........................................................................................................................................ 423
Adjusting Your CAM-Prole....................................................................................................................................423
Assigning an IPv6 Address to an Interface........................................................................................................... 424
Assigning a Static IPv6 Route................................................................................................................................ 424
Conguring Telnet with IPv6..................................................................................................................................425
SNMP over IPv6......................................................................................................................................................425
Displaying IPv6 Information.................................................................................................................................... 426
Displaying an IPv6 Interface Information.............................................................................................................. 426
Showing IPv6 Routes.............................................................................................................................................. 427
Showing the Running-Conguration for an Interface......................................................................................... 428
Clearing IPv6 Routes...............................................................................................................................................428
Conguring IPv6 RA Guard.......................................................................................................................................... 429
Conguring IPv6 RA Guard on an Interface.........................................................................................................430
Monitoring IPv6 RA Guard...................................................................................................................................... 431
23 iSCSI Optimization...................................................................................................................................432
iSCSI Optimization Overview....................................................................................................................................... 432
Monitoring iSCSI Trac Flows...............................................................................................................................433
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