Administrator Guide

Specifying the Local System Domain and a List of Domains....................................................................................... 419
Configuring DNS with Traceroute................................................................................................................................... 419
ARP..................................................................................................................................................................................... 420
Configuration Tasks for ARP........................................................................................................................................... 420
Configuring Static ARP Entries....................................................................................................................................... 420
Enabling Proxy ARP........................................................................................................................................................... 421
Clearing ARP Cache.......................................................................................................................................................... 421
ARP Learning via Gratuitous ARP....................................................................................................................................421
Enabling ARP Learning via Gratuitous ARP................................................................................................................... 422
ARP Learning via ARP Request.......................................................................................................................................422
Configuring ARP Retries...................................................................................................................................................423
ICMP................................................................................................................................................................................... 423
Configuration Tasks for ICMP......................................................................................................................................... 423
Enabling ICMP Unreachable Messages..........................................................................................................................423
ICMP Redirects................................................................................................................................................................. 424
UDP Helper........................................................................................................................................................................ 424
Enabling UDP Helper.........................................................................................................................................................425
Configurations Using UDP Helper...................................................................................................................................425
UDP Helper with Broadcast-All Addresses....................................................................................................................425
UDP Helper with Subnet Broadcast Addresses............................................................................................................426
UDP Helper with Configured Broadcast Addresses..................................................................................................... 426
UDP Helper with No Configured Broadcast Addresses............................................................................................... 427
Troubleshooting UDP Helper........................................................................................................................................... 427
25 IPv6 Routing.......................................................................................................................... 428
Protocol Overview............................................................................................................................................................ 428
Extended Address Space........................................................................................................................................... 428
Stateless Autoconfiguration.......................................................................................................................................428
IPv6 Headers................................................................................................................................................................429
IPv6 Header Fields...................................................................................................................................................... 429
Extension Header Fields.............................................................................................................................................. 431
Addressing....................................................................................................................................................................432
Implementing IPv6 with Dell EMC Networking OS.......................................................................................................432
ICMPv6...............................................................................................................................................................................434
Path MTU discovery......................................................................................................................................................... 434
IPv6 Neighbor Discovery..................................................................................................................................................435
IPv6 Neighbor Discovery of MTU Packets.............................................................................................................. 436
Configuration Task List for IPv6 RDNSS....................................................................................................................... 436
Configuring the IPv6 Recursive DNS Server...........................................................................................................436
Debugging IPv6 RDNSS Information Sent to the Host .........................................................................................437
Displaying IPv6 RDNSS Information..........................................................................................................................437
Secure Shell (SSH) Over an IPv6 Transport................................................................................................................. 438
Configuration Tasks for IPv6........................................................................................................................................... 438
Adjusting Your CAM-Profile....................................................................................................................................... 438
Assigning an IPv6 Address to an Interface.............................................................................................................. 439
Assigning a Static IPv6 Route....................................................................................................................................439
Configuring Telnet with IPv6..................................................................................................................................... 440
SNMP over IPv6..........................................................................................................................................................440
Displaying IPv6 Information........................................................................................................................................440
Displaying an IPv6 Interface Information.................................................................................................................. 441
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