Administrator Guide

Chapter 20: Internet Protocol Security (IPSec).........................................................................355
Configuring IPSec ..........................................................................................................................................................355
Chapter 21: IPv4 Routing........................................................................................................... 357
IP Addresses.....................................................................................................................................................................358
Configuration Tasks for IP Addresses........................................................................................................................358
Assigning IP Addresses to an Interface.....................................................................................................................358
Configuring Static Routes............................................................................................................................................ 359
Adding description for IPv4 and IPv6 static routes..........................................................................................360
Configure Static Routes for the Management Interface.......................................................................................361
IPv4 Path MTU Discovery Overview.......................................................................................................................... 361
Using the Configured Source IP Address in ICMP Messages..............................................................................362
Configuring the Duration to Establish a TCP Connection.....................................................................................362
Enabling Directed Broadcast........................................................................................................................................362
Resolution of Host Names............................................................................................................................................ 363
Enabling Dynamic Resolution of Host Names.......................................................................................................... 363
Specifying the Local System Domain and a List of Domains................................................................................364
Configuring DNS with Traceroute.............................................................................................................................. 364
ARP.................................................................................................................................................................................... 365
Configuration Tasks for ARP....................................................................................................................................... 365
Configuring Static ARP Entries................................................................................................................................... 365
Enabling Proxy ARP........................................................................................................................................................366
Clearing ARP Cache....................................................................................................................................................... 366
ARP Learning via Gratuitous ARP...............................................................................................................................366
Enabling ARP Learning via Gratuitous ARP..............................................................................................................366
ARP Learning via ARP Request................................................................................................................................... 367
Configuring ARP Retries................................................................................................................................................367
ICMP.................................................................................................................................................................................. 368
Configuration Tasks for ICMP..................................................................................................................................... 368
Enabling ICMP Unreachable Messages..................................................................................................................... 368
ICMP Redirects............................................................................................................................................................... 368
UDP Helper.......................................................................................................................................................................369
Enabling UDP Helper...................................................................................................................................................... 370
Configurations Using UDP Helper...............................................................................................................................370
UDP Helper with Broadcast-All Addresses............................................................................................................... 370
UDP Helper with Subnet Broadcast Addresses........................................................................................................371
UDP Helper with Configured Broadcast Addresses................................................................................................ 371
UDP Helper with No Configured Broadcast Addresses.........................................................................................372
Troubleshooting UDP Helper........................................................................................................................................372
Chapter 22: IPv6 Routing.......................................................................................................... 373
Protocol Overview.......................................................................................................................................................... 373
Extended Address Space.........................................................................................................................................373
Stateless Autoconfiguration................................................................................................................................... 373
IPv6 Headers.............................................................................................................................................................. 374
IPv6 Header Fields.................................................................................................................................................... 375
Extension Header Fields.......................................................................................................................................... 376
Addressing...................................................................................................................................................................377
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