ARP Learning via Gratuitous ARP................................................................................................................................443Enabling ARP Learning via Gratuitous ARP................................................................................................................443ARP Learning via ARP Request................................................................................................................................... 443Configuring ARP Retries............................................................................................................................................... 444ICMP............................................................................................................................................................................... 445Configuration Tasks for ICMP...................................................................................................................................... 445Enabling ICMP Unreachable Messages...................................................................................................................... 445UDP Helper.....................................................................................................................................................................445Configure UDP Helper.............................................................................................................................................445Important Points to Remember............................................................................................................................. 446Enabling UDP Helper.....................................................................................................................................................446Configuring a Broadcast Address................................................................................................................................ 446Configurations Using UDP Helper................................................................................................................................447UDP Helper with Broadcast-All Addresses................................................................................................................. 447UDP Helper with Subnet Broadcast Addresses.........................................................................................................448UDP Helper with Configured Broadcast Addresses.................................................................................................. 448UDP Helper with No Configured Broadcast Addresses............................................................................................449Troubleshooting UDP Helper........................................................................................................................................ 44925 IPv6 Routing............................................................................................................................................450Protocol Overview.........................................................................................................................................................450Extended Address Space.........................................................................................................................................451Stateless Autoconfiguration.................................................................................................................................... 451IPv6 Headers.............................................................................................................................................................451IPv6 Header Fields...................................................................................................................................................452Extension Header Fields..........................................................................................................................................454Addressing................................................................................................................................................................ 455Implementing IPv6 with Dell Networking OS.............................................................................................................456ICMPv6........................................................................................................................................................................... 457Path MTU Discovery..................................................................................................................................................... 458IPv6 Neighbor Discovery.............................................................................................................................................. 458IPv6 Neighbor Discovery of MTU Packets...........................................................................................................459Configuration Task List for IPv6 RDNSS.................................................................................................................... 459Configuring the IPv6 Recursive DNS Server....................................................................................................... 459Debugging IPv6 RDNSS Information Sent to the Host .....................................................................................460Displaying IPv6 RDNSS Information.......................................................................................................................461Secure Shell (SSH) Over an IPv6 Transport...............................................................................................................461Configuration Tasks for IPv6........................................................................................................................................ 462Adjusting Your CAM-Profile....................................................................................................................................462Assigning an IPv6 Address to an Interface........................................................................................................... 463Assigning a Static IPv6 Route................................................................................................................................ 463Configuring Telnet with IPv6..................................................................................................................................464SNMP over IPv6......................................................................................................................................................464Displaying IPv6 Information.................................................................................................................................... 464Displaying an IPv6 Interface Information.............................................................................................................. 465Showing IPv6 Routes..............................................................................................................................................46516 Contents
