Dell S4048–ON Configuration Manual page 16

ARP Learning via Gratuitous ARP................................................................................................................................443
Enabling ARP Learning via Gratuitous ARP................................................................................................................443
ARP Learning via ARP Request................................................................................................................................... 443
Configuring ARP Retries............................................................................................................................................... 444
ICMP............................................................................................................................................................................... 445
Configuration Tasks for ICMP...................................................................................................................................... 445
Enabling ICMP Unreachable Messages...................................................................................................................... 445
UDP Helper.....................................................................................................................................................................445
Configure UDP Helper.............................................................................................................................................445
Important Points to Remember............................................................................................................................. 446
Enabling UDP Helper.....................................................................................................................................................446
Configuring a Broadcast Address................................................................................................................................ 446
Configurations Using UDP Helper................................................................................................................................447
UDP Helper with Broadcast-All Addresses................................................................................................................. 447
UDP Helper with Subnet Broadcast Addresses.........................................................................................................448
UDP Helper with Configured Broadcast Addresses.................................................................................................. 448
UDP Helper with No Configured Broadcast Addresses............................................................................................449
Troubleshooting UDP Helper........................................................................................................................................ 449
25 IPv6 Routing............................................................................................................................................450
Protocol Overview.........................................................................................................................................................450
Extended Address Space.........................................................................................................................................451
Stateless Autoconfiguration.................................................................................................................................... 451
IPv6 Headers.............................................................................................................................................................451
IPv6 Header Fields...................................................................................................................................................452
Extension Header Fields..........................................................................................................................................454
Addressing................................................................................................................................................................ 455
Implementing IPv6 with Dell Networking OS.............................................................................................................456
ICMPv6........................................................................................................................................................................... 457
Path MTU Discovery..................................................................................................................................................... 458
IPv6 Neighbor Discovery.............................................................................................................................................. 458
IPv6 Neighbor Discovery of MTU Packets...........................................................................................................459
Configuration Task List for IPv6 RDNSS.................................................................................................................... 459
Configuring the IPv6 Recursive DNS Server....................................................................................................... 459
Debugging IPv6 RDNSS Information Sent to the Host .....................................................................................460
Displaying IPv6 RDNSS Information.......................................................................................................................461
Secure Shell (SSH) Over an IPv6 Transport...............................................................................................................461
Configuration Tasks for IPv6........................................................................................................................................ 462
Adjusting Your CAM-Profile....................................................................................................................................462
Assigning an IPv6 Address to an Interface........................................................................................................... 463
Assigning a Static IPv6 Route................................................................................................................................ 463
Configuring Telnet with IPv6..................................................................................................................................464
SNMP over IPv6......................................................................................................................................................464
Displaying IPv6 Information.................................................................................................................................... 464
Displaying an IPv6 Interface Information.............................................................................................................. 465
Showing IPv6 Routes..............................................................................................................................................465
16 Contents