Concept Guide

Enabling ICMP Unreachable Messages...................................................................................................................... 407
ICMP Redirects..............................................................................................................................................................407
UDP Helper.....................................................................................................................................................................408
Congure UDP Helper............................................................................................................................................ 408
Important Points to Remember............................................................................................................................. 409
Enabling UDP Helper.....................................................................................................................................................409
Conguring a Broadcast Address................................................................................................................................ 409
Congurations Using UDP Helper................................................................................................................................ 410
UDP Helper with Broadcast-All Addresses................................................................................................................. 410
UDP Helper with Subnet Broadcast Addresses.......................................................................................................... 411
UDP Helper with Congured Broadcast Addresses....................................................................................................411
UDP Helper with No Congured Broadcast Addresses.............................................................................................412
Troubleshooting UDP Helper.........................................................................................................................................412
22 IPv6 Routing.............................................................................................................................................413
Protocol Overview..........................................................................................................................................................413
Extended Address Space.........................................................................................................................................414
Stateless Autoconguration.................................................................................................................................... 414
IPv6 Headers.............................................................................................................................................................414
IPv6 Header Fields................................................................................................................................................... 415
Extension Header Fields...........................................................................................................................................417
Addressing.................................................................................................................................................................418
Implementing IPv6 with Dell EMC Networking OS....................................................................................................419
ICMPv6...........................................................................................................................................................................420
Path MTU discovery...................................................................................................................................................... 421
IPv6 Neighbor Discovery...............................................................................................................................................421
IPv6 Neighbor Discovery of MTU Packets...........................................................................................................422
Conguration Task List for IPv6 RDNSS.................................................................................................................... 422
Conguring the IPv6 Recursive DNS Server....................................................................................................... 422
Debugging IPv6 RDNSS Information Sent to the Host ..................................................................................... 423
Displaying IPv6 RDNSS Information......................................................................................................................424
Secure Shell (SSH) Over an IPv6 Transport.............................................................................................................. 424
Conguration Tasks for IPv6........................................................................................................................................ 425
Adjusting Your CAM-Prole....................................................................................................................................425
Assigning an IPv6 Address to an Interface........................................................................................................... 426
Assigning a Static IPv6 Route................................................................................................................................426
Conguring Telnet with IPv6.................................................................................................................................. 427
SNMP over IPv6...................................................................................................................................................... 427
Displaying IPv6 Information.................................................................................................................................... 427
Displaying an IPv6 Interface Information.............................................................................................................. 428
Showing IPv6 Routes..............................................................................................................................................428
Showing the Running-Conguration for an Interface.........................................................................................430
Clearing IPv6 Routes...............................................................................................................................................430
Disabling ND Entry Timeout................................................................................................................................... 430
Conguring IPv6 RA Guard........................................................................................................................................... 431
Conguring IPv6 RA Guard on an Interface.........................................................................................................432
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