Reference Guide

Enabling ICMP Unreachable Messages............................................................................................425
UDP Helper....................................................................................................................................... 426
Configure UDP Helper................................................................................................................426
Important Points to Remember................................................................................................. 426
Enabling UDP Helper........................................................................................................................426
Configuring a Broadcast Address.....................................................................................................426
Configurations Using UDP Helper....................................................................................................427
UDP Helper with Broadcast-All Addresses...................................................................................... 427
UDP Helper with Subnet Broadcast Addresses............................................................................... 428
UDP Helper with Configured Broadcast Addresses........................................................................429
UDP Helper with No Configured Broadcast Addresses.................................................................. 429
Troubleshooting UDP Helper...........................................................................................................429
22 IPv6 Routing....................................................................................................431
Protocol Overview............................................................................................................................ 431
Extended Address Space.............................................................................................................431
Stateless Autoconfiguration........................................................................................................431
IPv6 Headers............................................................................................................................... 432
Longest Prefix Match (LPM) Table and IPv6 /65 – /128 support.............................................. 433
IPv6 Header Fields...................................................................................................................... 434
Extension Header Fields..............................................................................................................435
Addressing...................................................................................................................................436
Implementing IPv6 with Dell Networking OS..................................................................................437
ICMPv6..............................................................................................................................................438
Path MTU Discovery......................................................................................................................... 438
IPv6 Neighbor Discovery..................................................................................................................439
IPv6 Neighbor Discovery of MTU Packets.................................................................................439
Configuring the IPv6 Recursive DNS Server..............................................................................440
Debugging IPv6 RDNSS Information Sent to the Host ............................................................ 440
Displaying IPv6 RDNSS Information........................................................................................... 441
Secure Shell (SSH) Over an IPv6 Transport......................................................................................442
Configuration Tasks for IPv6............................................................................................................442
Adjusting Your CAM-Profile....................................................................................................... 442
Assigning an IPv6 Address to an Interface.................................................................................443
Assigning a Static IPv6 Route..................................................................................................... 443
Configuring Telnet with IPv6..................................................................................................... 444
SNMP over IPv6.......................................................................................................................... 444
Displaying IPv6 Information....................................................................................................... 445
Displaying an IPv6 Interface Information...................................................................................445
Showing IPv6 Routes..................................................................................................................446
Showing the Running-Configuration for an Interface.............................................................. 447
Clearing IPv6 Routes.................................................................................................................. 448
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