Users Guide

Table Of Contents
Conguring the ICMP Source Interface............................................................................................................... 388
Conguring the Duration to Establish a TCP Connection........................................................................................ 389
Enabling Directed Broadcast........................................................................................................................................ 389
Resolution of Host Names............................................................................................................................................389
Enabling Dynamic Resolution of Host Names............................................................................................................390
Specifying the Local System Domain and a List of Domains................................................................................... 390
Conguring DNS with Traceroute................................................................................................................................ 391
ARP.................................................................................................................................................................................. 391
Conguration Tasks for ARP........................................................................................................................................ 392
Conguring Static ARP Entries....................................................................................................................................392
Enabling Proxy ARP.......................................................................................................................................................392
Clearing ARP Cache......................................................................................................................................................393
ARP Learning via Gratuitous ARP................................................................................................................................393
Enabling ARP Learning via Gratuitous ARP................................................................................................................393
ARP Learning via ARP Request................................................................................................................................... 393
Conguring ARP Retries...............................................................................................................................................394
ICMP............................................................................................................................................................................... 395
Conguration Tasks for ICMP......................................................................................................................................395
Enabling ICMP Unreachable Messages...................................................................................................................... 395
UDP Helper.....................................................................................................................................................................395
Congure UDP Helper............................................................................................................................................ 395
Important Points to Remember............................................................................................................................. 396
Enabling UDP Helper.....................................................................................................................................................396
Congurations Using UDP Helper............................................................................................................................... 396
UDP Helper with Broadcast-All Addresses.................................................................................................................396
UDP Helper with Subnet Broadcast Addresses.........................................................................................................397
UDP Helper with Congured Broadcast Addresses..................................................................................................398
UDP Helper with No Congured Broadcast Addresses............................................................................................398
Troubleshooting UDP Helper........................................................................................................................................398
22 IPv6 Routing............................................................................................................................................400
Protocol Overview.........................................................................................................................................................400
Extended Address Space........................................................................................................................................ 401
Stateless Autoconguration....................................................................................................................................401
IPv6 Headers.............................................................................................................................................................401
IPv6 Header Fields...................................................................................................................................................402
Extension Header Fields......................................................................................................................................... 404
Addressing................................................................................................................................................................405
Implementing IPv6 with Dell EMC Networking OS...................................................................................................406
ICMPv6........................................................................................................................................................................... 407
Path MTU discovery..................................................................................................................................................... 408
IPv6 Neighbor Discovery..............................................................................................................................................408
IPv6 Neighbor Discovery of MTU Packets.......................................................................................................... 409
Conguration Task List for IPv6 RDNSS.................................................................................................................... 409
Conguring the IPv6 Recursive DNS Server....................................................................................................... 409
Debugging IPv6 RDNSS Information Sent to the Host ......................................................................................410
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