Concept Guide

Conguring the Duration to Establish a TCP Connection.........................................................................................387
Enabling Directed Broadcast.........................................................................................................................................387
Resolution of Host Names............................................................................................................................................387
Enabling Dynamic Resolution of Host Names............................................................................................................388
Specifying the Local System Domain and a List of Domains................................................................................... 388
Conguring DNS with Traceroute................................................................................................................................389
ARP................................................................................................................................................................................. 389
Conguration Tasks for ARP........................................................................................................................................ 390
Conguring Static ARP Entries....................................................................................................................................390
Enabling Proxy ARP.......................................................................................................................................................390
Clearing ARP Cache.......................................................................................................................................................391
ARP Learning via Gratuitous ARP................................................................................................................................ 391
Enabling ARP Learning via Gratuitous ARP.................................................................................................................391
ARP Learning via ARP Request....................................................................................................................................391
Conguring ARP Retries...............................................................................................................................................392
ICMP............................................................................................................................................................................... 393
Conguration Tasks for ICMP...................................................................................................................................... 393
Enabling ICMP Unreachable Messages...................................................................................................................... 393
UDP Helper.....................................................................................................................................................................393
Congure UDP Helper.............................................................................................................................................393
Important Points to Remember............................................................................................................................. 394
Enabling UDP Helper.....................................................................................................................................................394
Conguring a Broadcast Address................................................................................................................................ 394
Congurations Using UDP Helper............................................................................................................................... 395
UDP Helper with Broadcast-All Addresses.................................................................................................................395
UDP Helper with Subnet Broadcast Addresses.........................................................................................................396
UDP Helper with Congured Broadcast Addresses..................................................................................................396
UDP Helper with No Congured Broadcast Addresses............................................................................................ 397
Troubleshooting UDP Helper........................................................................................................................................ 397
22 IPv6 Routing............................................................................................................................................398
Protocol Overview.........................................................................................................................................................398
Extended Address Space........................................................................................................................................399
Stateless Autoconguration................................................................................................................................... 399
IPv6 Headers............................................................................................................................................................399
IPv6 Header Fields.................................................................................................................................................. 400
Extension Header Fields..........................................................................................................................................402
Addressing................................................................................................................................................................ 403
Implementing IPv6 with Dell EMC Networking OS...................................................................................................404
ICMPv6...........................................................................................................................................................................405
Path MTU discovery..................................................................................................................................................... 406
IPv6 Neighbor Discovery..............................................................................................................................................406
IPv6 Neighbor Discovery of MTU Packets...........................................................................................................407
Conguration Task List for IPv6 RDNSS.....................................................................................................................407
Conguring the IPv6 Recursive DNS Server....................................................................................................... 407
Debugging IPv6 RDNSS Information Sent to the Host .....................................................................................408
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