Administrator Guide

Table Of Contents
Specifying the Local System Domain and a List of Domains............................................................................... 405
Configuring DNS with Traceroute.............................................................................................................................. 405
ARP.................................................................................................................................................................................... 406
Configuration Tasks for ARP....................................................................................................................................... 406
Configuring Static ARP Entries................................................................................................................................... 406
Enabling Proxy ARP........................................................................................................................................................407
Clearing ARP Cache....................................................................................................................................................... 407
ARP Learning via Gratuitous ARP...............................................................................................................................407
Enabling ARP Learning via Gratuitous ARP.............................................................................................................. 407
ARP Learning via ARP Request...................................................................................................................................408
Configuring ARP Retries............................................................................................................................................... 408
ICMP.................................................................................................................................................................................. 409
Configuration Tasks for ICMP..................................................................................................................................... 409
Enabling ICMP Unreachable Messages..................................................................................................................... 409
ICMP Redirects............................................................................................................................................................... 409
UDP Helper........................................................................................................................................................................410
Enabling UDP Helper........................................................................................................................................................411
Configurations Using UDP Helper................................................................................................................................ 411
UDP Helper with Broadcast-All Addresses................................................................................................................ 411
UDP Helper with Subnet Broadcast Addresses....................................................................................................... 412
UDP Helper with Configured Broadcast Addresses................................................................................................412
UDP Helper with No Configured Broadcast Addresses......................................................................................... 413
Troubleshooting UDP Helper........................................................................................................................................ 413
Chapter 21: IPv6 Routing........................................................................................................... 414
Protocol Overview...........................................................................................................................................................414
Extended Address Space......................................................................................................................................... 414
Stateless Autoconfiguration....................................................................................................................................414
IPv6 Headers...............................................................................................................................................................415
Longest Prefix Match (LPM) Table and IPv6 /65 /128 support............................................................... 415
IPv6 Header Fields.....................................................................................................................................................416
Extension Header Fields...........................................................................................................................................418
Addressing................................................................................................................................................................... 419
Implementing IPv6 with Dell EMC Networking OS.................................................................................................420
ICMPv6.............................................................................................................................................................................. 421
Path MTU discovery.......................................................................................................................................................422
IPv6 Neighbor Discovery...............................................................................................................................................422
IPv6 Neighbor Discovery of MTU Packets......................................................................................................... 423
Configuring the IPv6 Recursive DNS Server......................................................................................................423
Debugging IPv6 RDNSS Information Sent to the Host .................................................................................. 424
Displaying IPv6 RDNSS Information..................................................................................................................... 424
Secure Shell (SSH) Over an IPv6 Transport............................................................................................................425
Configuration Tasks for IPv6....................................................................................................................................... 425
Adjusting Your CAM-Profile................................................................................................................................... 425
Assigning an IPv6 Address to an Interface......................................................................................................... 426
Assigning a Static IPv6 Route................................................................................................................................426
Configuring Telnet with IPv6..................................................................................................................................427
SNMP over IPv6........................................................................................................................................................427
Displaying IPv6 Information.................................................................................................................................... 427
Displaying an IPv6 Interface Information............................................................................................................ 428
Contents
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