Concept Guide

ARP Learning via ARP Request................................................................................................................................... 462
Conguring ARP Retries...............................................................................................................................................462
ICMP............................................................................................................................................................................... 463
Conguration Tasks for ICMP...................................................................................................................................... 463
Enabling ICMP Unreachable Messages...................................................................................................................... 463
UDP Helper.....................................................................................................................................................................464
Congure UDP Helper.............................................................................................................................................464
Important Points to Remember............................................................................................................................. 464
Enabling UDP Helper.....................................................................................................................................................464
Conguring a Broadcast Address................................................................................................................................ 464
Congurations Using UDP Helper............................................................................................................................... 465
UDP Helper with Broadcast-All Addresses.................................................................................................................465
UDP Helper with Subnet Broadcast Addresses.........................................................................................................466
UDP Helper with Congured Broadcast Addresses..................................................................................................466
UDP Helper with No Congured Broadcast Addresses............................................................................................467
Troubleshooting UDP Helper........................................................................................................................................ 467
24 IPv6 Routing............................................................................................................................................468
Protocol Overview.........................................................................................................................................................468
Extended Address Space........................................................................................................................................469
Stateless Autoconguration................................................................................................................................... 469
IPv6 Headers............................................................................................................................................................469
IPv6 Header Fields...................................................................................................................................................470
Extension Header Fields..........................................................................................................................................472
Addressing................................................................................................................................................................ 473
Implementing IPv6 with Dell EMC Networking OS................................................................................................... 474
ICMPv6........................................................................................................................................................................... 475
Path MTU discovery......................................................................................................................................................476
IPv6 Neighbor Discovery.............................................................................................................................................. 476
IPv6 Neighbor Discovery of MTU Packets...........................................................................................................477
Conguration Task List for IPv6 RDNSS.....................................................................................................................477
Conguring the IPv6 Recursive DNS Server........................................................................................................477
Debugging IPv6 RDNSS Information Sent to the Host ..................................................................................... 478
Displaying IPv6 RDNSS Information......................................................................................................................479
Secure Shell (SSH) Over an IPv6 Transport.............................................................................................................. 479
Conguration Tasks for IPv6........................................................................................................................................480
Adjusting Your CAM-Prole....................................................................................................................................480
Assigning an IPv6 Address to an Interface............................................................................................................481
Assigning a Static IPv6 Route.................................................................................................................................481
Conguring Telnet with IPv6..................................................................................................................................482
SNMP over IPv6......................................................................................................................................................482
Displaying IPv6 Information.................................................................................................................................... 482
Displaying an IPv6 Interface Information.............................................................................................................. 483
Showing IPv6 Routes..............................................................................................................................................483
Showing the Running-Conguration for an Interface.........................................................................................485
Clearing IPv6 Routes...............................................................................................................................................485
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