Users Guide

Conguring DNS with Traceroute................................................................................................................................387
ARP................................................................................................................................................................................. 388
Conguration Tasks for ARP........................................................................................................................................ 388
Conguring Static ARP Entries....................................................................................................................................388
Enabling Proxy ARP.......................................................................................................................................................389
Clearing ARP Cache......................................................................................................................................................389
ARP Learning via Gratuitous ARP............................................................................................................................... 389
Enabling ARP Learning via Gratuitous ARP................................................................................................................389
ARP Learning via ARP Request................................................................................................................................... 390
Conguring ARP Retries...............................................................................................................................................390
ICMP................................................................................................................................................................................ 391
Conguration Tasks for ICMP.......................................................................................................................................391
Enabling ICMP Unreachable Messages.......................................................................................................................391
UDP Helper.....................................................................................................................................................................392
Congure UDP Helper.............................................................................................................................................392
Important Points to Remember............................................................................................................................. 392
Enabling UDP Helper.....................................................................................................................................................392
Conguring a Broadcast Address................................................................................................................................ 392
Congurations Using UDP Helper............................................................................................................................... 393
UDP Helper with Broadcast-All Addresses.................................................................................................................393
UDP Helper with Subnet Broadcast Addresses.........................................................................................................394
UDP Helper with Congured Broadcast Addresses..................................................................................................394
UDP Helper with No Congured Broadcast Addresses............................................................................................395
Troubleshooting UDP Helper........................................................................................................................................395
22 IPv6 Routing............................................................................................................................................396
Protocol Overview.........................................................................................................................................................396
Extended Address Space........................................................................................................................................397
Stateless Autoconguration....................................................................................................................................397
IPv6 Headers............................................................................................................................................................ 397
IPv6 Header Fields...................................................................................................................................................398
Extension Header Fields......................................................................................................................................... 400
Addressing.................................................................................................................................................................401
Implementing IPv6 with Dell EMC Networking OS................................................................................................... 402
ICMPv6...........................................................................................................................................................................403
Path MTU discovery..................................................................................................................................................... 404
IPv6 Neighbor Discovery..............................................................................................................................................404
IPv6 Neighbor Discovery of MTU Packets.......................................................................................................... 405
Conguration Task List for IPv6 RDNSS.................................................................................................................... 405
Conguring the IPv6 Recursive DNS Server....................................................................................................... 405
Debugging IPv6 RDNSS Information Sent to the Host .....................................................................................406
Displaying IPv6 RDNSS Information......................................................................................................................407
Secure Shell (SSH) Over an IPv6 Transport.............................................................................................................. 407
Conguration Tasks for IPv6........................................................................................................................................408
Adjusting Your CAM-Prole....................................................................................................................................408
Assigning an IPv6 Address to an Interface...........................................................................................................409
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