Administrator Guide

Configuring the Duration to Establish a TCP Connection............................................................................................383
Enabling Directed Broadcast............................................................................................................................................384
Resolution of Host Names............................................................................................................................................... 384
Enabling Dynamic Resolution of Host Names................................................................................................................384
Specifying the Local System Domain and a List of Domains.......................................................................................385
Configuring DNS with Traceroute.................................................................................................................................. 385
ARP..................................................................................................................................................................................... 386
Configuration Tasks for ARP........................................................................................................................................... 386
Configuring Static ARP Entries....................................................................................................................................... 386
Enabling Proxy ARP.......................................................................................................................................................... 386
Clearing ARP Cache..........................................................................................................................................................387
ARP Learning via Gratuitous ARP................................................................................................................................... 387
Enabling ARP Learning via Gratuitous ARP................................................................................................................... 387
ARP Learning via ARP Request.......................................................................................................................................387
Configuring ARP Retries.................................................................................................................................................. 388
ICMP...................................................................................................................................................................................389
Configuration Tasks for ICMP.........................................................................................................................................389
Enabling ICMP Unreachable Messages..........................................................................................................................389
ICMP Redirects................................................................................................................................................................. 389
UDP Helper........................................................................................................................................................................ 390
Enabling UDP Helper......................................................................................................................................................... 391
Configurations Using UDP Helper....................................................................................................................................391
UDP Helper with Broadcast-All Addresses.....................................................................................................................391
UDP Helper with Subnet Broadcast Addresses............................................................................................................392
UDP Helper with Configured Broadcast Addresses..................................................................................................... 392
UDP Helper with No Configured Broadcast Addresses...............................................................................................393
Troubleshooting UDP Helper........................................................................................................................................... 393
21 IPv6 Routing...........................................................................................................................394
Protocol Overview............................................................................................................................................................ 394
Extended Address Space........................................................................................................................................... 394
Stateless Autoconfiguration.......................................................................................................................................394
IPv6 Headers............................................................................................................................................................... 395
Longest Prefix Match (LPM) Table and IPv6 /65 – /128 support...................................................................... 395
IPv6 Header Fields...................................................................................................................................................... 396
Extension Header Fields............................................................................................................................................. 397
Addressing....................................................................................................................................................................398
Implementing IPv6 with Dell EMC Networking OS.......................................................................................................399
ICMPv6............................................................................................................................................................................... 401
Path MTU discovery..........................................................................................................................................................401
IPv6 Neighbor Discovery.................................................................................................................................................. 401
IPv6 Neighbor Discovery of MTU Packets.............................................................................................................. 402
Configuring the IPv6 Recursive DNS Server...........................................................................................................402
Debugging IPv6 RDNSS Information Sent to the Host .........................................................................................403
Displaying IPv6 RDNSS Information......................................................................................................................... 403
Secure Shell (SSH) Over an IPv6 Transport.................................................................................................................404
Configuration Tasks for IPv6...........................................................................................................................................404
Adjusting Your CAM-Profile.......................................................................................................................................404
Assigning an IPv6 Address to an Interface.............................................................................................................. 405
Assigning a Static IPv6 Route................................................................................................................................... 405
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