Conguring DNS with Traceroute................................................................................................................................439
ARP................................................................................................................................................................................. 439
Conguration Tasks for ARP........................................................................................................................................ 440
Conguring Static ARP Entries....................................................................................................................................440
Enabling Proxy ARP.......................................................................................................................................................440
Clearing ARP Cache.......................................................................................................................................................441
ARP Learning via Gratuitous ARP................................................................................................................................ 441
Enabling ARP Learning via Gratuitous ARP.................................................................................................................441
ARP Learning via ARP Request....................................................................................................................................441
Conguring ARP Retries...............................................................................................................................................442
ICMP............................................................................................................................................................................... 443
Conguration Tasks for ICMP...................................................................................................................................... 443
Enabling ICMP Unreachable Messages...................................................................................................................... 443
ICMP Redirects..............................................................................................................................................................443
UDP Helper.....................................................................................................................................................................444
Congure UDP Helper.............................................................................................................................................444
Important Points to Remember............................................................................................................................. 445
Enabling UDP Helper.....................................................................................................................................................445
Congurations Using UDP Helper............................................................................................................................... 445
UDP Helper with Broadcast-All Addresses.................................................................................................................445
UDP Helper with Subnet Broadcast Addresses.........................................................................................................446
UDP Helper with Congured Broadcast Addresses..................................................................................................446
UDP Helper with No Congured Broadcast Addresses............................................................................................447
Troubleshooting UDP Helper........................................................................................................................................ 447
21 IPv6 Routing............................................................................................................................................ 448
Protocol Overview.........................................................................................................................................................448
Extended Address Space........................................................................................................................................449
Stateless Autoconguration................................................................................................................................... 449
IPv6 Headers............................................................................................................................................................449
Longest Prex Match (LPM) Table and IPv6 /65 – /128 support................................................................... 450
IPv6 Header Fields................................................................................................................................................... 451
Extension Header Fields..........................................................................................................................................453
Addressing................................................................................................................................................................ 454
Implementing IPv6 with Dell EMC Networking OS...................................................................................................455
ICMPv6...........................................................................................................................................................................456
Path MTU discovery......................................................................................................................................................457
IPv6 Neighbor Discovery.............................................................................................................................................. 457
IPv6 Neighbor Discovery of MTU Packets...........................................................................................................458
Conguring the IPv6 Recursive DNS Server....................................................................................................... 458
Debugging IPv6 RDNSS Information Sent to the Host .....................................................................................459
Displaying IPv6 RDNSS Information......................................................................................................................459
Secure Shell (SSH) Over an IPv6 Transport..............................................................................................................460
Conguration Tasks for IPv6........................................................................................................................................460
Adjusting Your CAM-Prole....................................................................................................................................460
Assigning an IPv6 Address to an Interface............................................................................................................461
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