Setup Guide

21 IPv4 Routing............................................................................................................................................ 455
IP Addresses...................................................................................................................................................................456
Implementation Information................................................................................................................................... 456
Conguration Tasks for IP Addresses......................................................................................................................... 456
Assigning IP Addresses to an Interface.......................................................................................................................456
Conguring Static Routes.............................................................................................................................................457
Adding description for IPv4 and IPv6 static routes.............................................................................................458
Congure Static Routes for the Management Interface..........................................................................................459
Using the Congured Source IP Address in ICMP Messages..................................................................................459
Conguring the ICMP Source Interface............................................................................................................... 459
Conguring the Duration to Establish a TCP Connection........................................................................................ 460
Enabling Directed Broadcast........................................................................................................................................ 460
Resolution of Host Names............................................................................................................................................ 461
Enabling Dynamic Resolution of Host Names.............................................................................................................461
Specifying the Local System Domain and a List of Domains.................................................................................... 461
Conguring DNS with Traceroute................................................................................................................................462
ARP................................................................................................................................................................................. 463
Conguration Tasks for ARP........................................................................................................................................ 463
Conguring Static ARP Entries....................................................................................................................................463
Enabling Proxy ARP.......................................................................................................................................................464
Clearing ARP Cache......................................................................................................................................................464
ARP Learning via Gratuitous ARP................................................................................................................................464
Enabling ARP Learning via Gratuitous ARP................................................................................................................464
ARP Learning via ARP Request................................................................................................................................... 465
Conguring ARP Retries...............................................................................................................................................465
ICMP............................................................................................................................................................................... 466
Conguration Tasks for ICMP......................................................................................................................................466
Enabling ICMP Unreachable Messages...................................................................................................................... 466
ICMP Redirects..............................................................................................................................................................466
UDP Helper.....................................................................................................................................................................468
Congure UDP Helper.............................................................................................................................................468
Important Points to Remember............................................................................................................................. 468
Enabling UDP Helper.....................................................................................................................................................468
Conguring a Broadcast Address................................................................................................................................ 468
Congurations Using UDP Helper............................................................................................................................... 469
UDP Helper with Broadcast-All Addresses.................................................................................................................469
UDP Helper with Subnet Broadcast Addresses.........................................................................................................470
UDP Helper with Congured Broadcast Addresses.................................................................................................. 470
UDP Helper with No Congured Broadcast Addresses.............................................................................................471
Troubleshooting UDP Helper.........................................................................................................................................471
22 IPv6 Routing............................................................................................................................................ 472
Protocol Overview......................................................................................................................................................... 472
Extended Address Space........................................................................................................................................473
Stateless Autoconguration....................................................................................................................................473
Contents
15