Users Guide

ARP Learning via ARP Request......................................................................................................................................426
Conguring ARP Retries................................................................................................................................................ 426
ICMP..............................................................................................................................................................................427
Conguration Tasks for ICMP.........................................................................................................................................427
Enabling ICMP Unreachable Messages.......................................................................................................................... 427
UDP Helper....................................................................................................................................................................428
Congure UDP Helper..............................................................................................................................................428
Important Points to Remember................................................................................................................................ 428
Enabling UDP Helper......................................................................................................................................................428
Conguring a Broadcast Address................................................................................................................................... 428
Congurations Using UDP Helper.................................................................................................................................. 429
UDP Helper with Broadcast-All Addresses..................................................................................................................... 429
UDP Helper with Subnet Broadcast Addresses..............................................................................................................430
UDP Helper with Congured Broadcast Addresses........................................................................................................430
UDP Helper with No Congured Broadcast Addresses................................................................................................... 431
Troubleshooting UDP Helper...........................................................................................................................................431
28 IPv6 Routing............................................................................................................. 432
Protocol Overview..........................................................................................................................................................432
Extended Address Space......................................................................................................................................... 432
Stateless Autoconguration..................................................................................................................................... 432
IPv6 Headers........................................................................................................................................................... 433
IPv6 Header Fields................................................................................................................................................... 433
Extension Header Fields...........................................................................................................................................435
Addressing............................................................................................................................................................... 436
Implementing IPv6 with Dell Networking OS..................................................................................................................436
ICMPv6....................................................................................................................................................................437
Path MTU Discovery................................................................................................................................................ 437
IPv6 Neighbor Discovery..........................................................................................................................................437
Secure Shell (SSH) Over an IPv6 Transport.............................................................................................................438
Conguration Tasks for IPv6.......................................................................................................................................... 438
Adjusting Your CAM-Prole......................................................................................................................................439
Assigning an IPv6 Address to an Interface............................................................................................................... 439
Assigning a Static IPv6 Route.................................................................................................................................. 440
Conguring Telnet with IPv6....................................................................................................................................440
SNMP over IPv6.......................................................................................................................................................441
Showing IPv6 Information.........................................................................................................................................441
Showing an IPv6 Interface........................................................................................................................................ 441
Showing IPv6 Routes............................................................................................................................................... 442
Showing the Running-Conguration for an Interface............................................................................................... 443
Clearing IPv6 Routes................................................................................................................................................444
Conguring IPv6 RA Guard............................................................................................................................................ 444
Conguring IPv6 RA Guard on an Interface..............................................................................................................446
Monitoring IPv6 RA Guard....................................................................................................................................... 446
29 iSCSI Optimization.................................................................................................... 447
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