Setup Guide

ICMP................................................................................................................................................................................377
Conguration Tasks for ICMP.......................................................................................................................................377
Enabling ICMP Unreachable Messages.......................................................................................................................377
UDP Helper..................................................................................................................................................................... 377
Congure UDP Helper............................................................................................................................................. 377
Important Points to Remember..............................................................................................................................378
Enabling UDP Helper..................................................................................................................................................... 378
Conguring a Broadcast Address.................................................................................................................................378
Congurations Using UDP Helper................................................................................................................................379
UDP Helper with Broadcast-All Addresses.................................................................................................................379
UDP Helper with Subnet Broadcast Addresses.........................................................................................................380
UDP Helper with Congured Broadcast Addresses..................................................................................................380
UDP Helper with No Congured Broadcast Addresses.............................................................................................381
Troubleshooting UDP Helper.........................................................................................................................................381
22 IPv6 Routing............................................................................................................................................382
Protocol Overview......................................................................................................................................................... 382
Extended Address Space........................................................................................................................................383
Stateless Autoconguration................................................................................................................................... 383
IPv6 Headers............................................................................................................................................................383
IPv6 Header Fields...................................................................................................................................................384
Extension Header Fields..........................................................................................................................................386
Addressing.................................................................................................................................................................387
Implementing IPv6 with Dell EMC Networking OS................................................................................................... 388
ICMPv6...........................................................................................................................................................................389
Path MTU Discovery.....................................................................................................................................................390
IPv6 Neighbor Discovery..............................................................................................................................................390
IPv6 Neighbor Discovery of MTU Packets........................................................................................................... 391
Conguration Task List for IPv6 RDNSS..................................................................................................................... 391
Conguring the IPv6 Recursive DNS Server........................................................................................................391
Debugging IPv6 RDNSS Information Sent to the Host .....................................................................................392
Displaying IPv6 RDNSS Information......................................................................................................................393
Secure Shell (SSH) Over an IPv6 Transport.............................................................................................................. 393
Conguration Tasks for IPv6........................................................................................................................................394
Adjusting Your CAM-Prole....................................................................................................................................394
Assigning an IPv6 Address to an Interface...........................................................................................................395
Assigning a Static IPv6 Route................................................................................................................................395
Conguring Telnet with IPv6..................................................................................................................................396
SNMP over IPv6......................................................................................................................................................396
Displaying IPv6 Information....................................................................................................................................396
Displaying an IPv6 Interface Information...............................................................................................................397
Showing IPv6 Routes.............................................................................................................................................. 397
Showing the Running-Conguration for an Interface......................................................................................... 399
Clearing IPv6 Routes...............................................................................................................................................399
Disabling ND Entry Timeout................................................................................................................................... 399
Conguring IPv6 RA Guard.......................................................................................................................................... 400
14
Contents