Specifying the Local System Domain and a List of Domains.........................................................448
Configuring DNS with Traceroute...................................................................................................448
ARP....................................................................................................................................................449
Configuration Tasks for ARP............................................................................................................449
Configuring Static ARP Entries.........................................................................................................450
Enabling Proxy ARP..........................................................................................................................450
Clearing ARP Cache.........................................................................................................................450
ARP Learning via Gratuitous ARP......................................................................................................451
Enabling ARP Learning via Gratuitous ARP......................................................................................451
ARP Learning via ARP Request..........................................................................................................451
Configuring ARP Retries...................................................................................................................452
ICMP..................................................................................................................................................453
Configuration Tasks for ICMP..........................................................................................................453
Enabling ICMP Unreachable Messages............................................................................................453
UDP Helper.......................................................................................................................................454
Configure UDP Helper................................................................................................................454
Important Points to Remember.................................................................................................454
Enabling UDP Helper........................................................................................................................454
Configuring a Broadcast Address.....................................................................................................455
Configurations Using UDP Helper...................................................................................................455
UDP Helper with Broadcast-All Addresses......................................................................................455
UDP Helper with Subnet Broadcast Addresses...............................................................................456
UDP Helper with Configured Broadcast Addresses........................................................................457
UDP Helper with No Configured Broadcast Addresses..................................................................457
Troubleshooting UDP Helper...........................................................................................................458
25 IPv6 Routing....................................................................................................459
Protocol Overview............................................................................................................................459
Extended Address Space............................................................................................................459
Stateless Autoconfiguration.......................................................................................................459
IPv6 Headers...............................................................................................................................460
IPv6 Header Fields.......................................................................................................................461
Extension Header Fields.............................................................................................................462
IPv6 Addressing...........................................................................................................................463
IPv6 Implementation on the Dell Networking OS...........................................................................465
Configuring the LPM Table for IPv6 Extended Prefixes..................................................................467
ICMPv6..............................................................................................................................................467
Path MTU Discovery.........................................................................................................................467
IPv6 Neighbor Discovery..................................................................................................................468
IPv6 Neighbor Discovery of MTU Packets.................................................................................469
Configuring the IPv6 Recursive DNS Server..............................................................................469
Secure Shell (SSH) Over an IPv6 Transport......................................................................................471