Reference Guide

Table Of Contents
Resolution of Host Names...............................................................................................................480
Enabling Dynamic Resolution of Host Names................................................................................480
Specifying the Local System Domain and a List of Domains..........................................................481
Configuring DNS with Traceroute....................................................................................................481
ARP.................................................................................................................................................... 482
Configuration Tasks for ARP............................................................................................................ 482
Configuring Static ARP Entries.........................................................................................................483
Enabling Proxy ARP.......................................................................................................................... 483
Clearing ARP Cache..........................................................................................................................483
ARP Learning via Gratuitous ARP.....................................................................................................484
Enabling ARP Learning via Gratuitous ARP......................................................................................484
ARP Learning via ARP Request......................................................................................................... 485
Configuring ARP Retries................................................................................................................... 485
ICMP..................................................................................................................................................486
Configuration Tasks for ICMP..........................................................................................................486
Enabling ICMP Unreachable Messages........................................................................................... 486
UDP Helper....................................................................................................................................... 487
Configure UDP Helper................................................................................................................487
Important Points to Remember................................................................................................. 487
Enabling UDP Helper........................................................................................................................ 487
Configuring a Broadcast Address.................................................................................................... 488
Configurations Using UDP Helper................................................................................................... 488
UDP Helper with Broadcast-All Addresses......................................................................................489
UDP Helper with Subnet Broadcast Addresses............................................................................... 489
UDP Helper with Configured Broadcast Addresses........................................................................490
UDP Helper with No Configured Broadcast Addresses.................................................................. 491
Troubleshooting UDP Helper........................................................................................................... 491
28 IPv6 Routing................................................................................................... 492
Protocol Overview............................................................................................................................492
Extended Address Space............................................................................................................ 492
Stateless Autoconfiguration....................................................................................................... 492
IPv6 Headers............................................................................................................................... 493
IPv6 Header Fields...................................................................................................................... 493
Extension Header Fields............................................................................................................. 495
Addressing...................................................................................................................................496
Implementing IPv6 with Dell Networking OS..................................................................................497
ICMPv6........................................................................................................................................ 497
Path MTU Discovery................................................................................................................... 498
IPv6 Neighbor Discovery............................................................................................................498
Secure Shell (SSH) Over an IPv6 Transport................................................................................499
Configuration Tasks for IPv6............................................................................................................499