Dell S3048-ON

Enabling ICMP Unreachable Messages....................................................................................................................... 371
UDP Helper......................................................................................................................................................................371
Congure UDP Helper..............................................................................................................................................371
Important Points to Remember..............................................................................................................................372
Enabling UDP Helper..................................................................................................................................................... 372
Conguring a Broadcast Address.................................................................................................................................372
Congurations Using UDP Helper................................................................................................................................373
UDP Helper with Broadcast-All Addresses................................................................................................................. 373
UDP Helper with Subnet Broadcast Addresses......................................................................................................... 374
UDP Helper with Congured Broadcast Addresses.................................................................................................. 374
UDP Helper with No Congured Broadcast Addresses............................................................................................375
Troubleshooting UDP Helper........................................................................................................................................ 375
22 IPv6 Routing............................................................................................................................................ 376
Protocol Overview......................................................................................................................................................... 376
Extended Address Space........................................................................................................................................ 377
Stateless Autoconguration....................................................................................................................................377
IPv6 Headers............................................................................................................................................................ 377
IPv6 Header Fields...................................................................................................................................................378
Extension Header Fields......................................................................................................................................... 380
Addressing.................................................................................................................................................................381
Implementing IPv6 with Dell Networking OS............................................................................................................. 382
ICMPv6...........................................................................................................................................................................383
Path MTU Discovery.....................................................................................................................................................384
IPv6 Neighbor Discovery.............................................................................................................................................. 384
IPv6 Neighbor Discovery of MTU Packets...........................................................................................................385
Conguration Task List for IPv6 RDNSS.................................................................................................................... 385
Conguring the IPv6 Recursive DNS Server....................................................................................................... 385
Debugging IPv6 RDNSS Information Sent to the Host .....................................................................................386
Displaying IPv6 RDNSS Information......................................................................................................................387
Secure Shell (SSH) Over an IPv6 Transport.............................................................................................................. 387
Conguration Tasks for IPv6........................................................................................................................................ 388
Adjusting Your CAM-Prole....................................................................................................................................388
Assigning an IPv6 Address to an Interface...........................................................................................................389
Assigning a Static IPv6 Route................................................................................................................................389
Conguring Telnet with IPv6..................................................................................................................................390
SNMP over IPv6......................................................................................................................................................390
Displaying IPv6 Information....................................................................................................................................390
Displaying an IPv6 Interface Information...............................................................................................................391
Showing IPv6 Routes...............................................................................................................................................391
Showing the Running-Conguration for an Interface.........................................................................................393
Clearing IPv6 Routes...............................................................................................................................................393
Disabling ND Entry Timeout................................................................................................................................... 393
Conguring IPv6 RA Guard.......................................................................................................................................... 394
Conguring IPv6 RA Guard on an Interface.........................................................................................................395
Monitoring IPv6 RA Guard..................................................................................................................................... 396
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