Administrator Guide

Table Of Contents
Auto-Negotiation on Ethernet Interfaces................................................................................................................. 290
Setting the Speed and Duplex Mode of Ethernet Interfaces..........................................................................291
Set Auto-Negotiation Options............................................................................................................................... 292
View Advanced Interface Information....................................................................................................................... 293
Configuring the Interface Sampling Size.............................................................................................................294
Dynamic Counters.......................................................................................................................................................... 295
Clearing Interface Counters................................................................................................................................... 295
Enhanced Validation of Interface Ranges.................................................................................................................296
Chapter 19: Internet Protocol Security (IPSec)......................................................................... 297
Configuring IPSec .......................................................................................................................................................... 297
Chapter 20: IPv4 Routing.......................................................................................................... 299
IP Addresses.................................................................................................................................................................... 300
Configuration Tasks for IP Addresses....................................................................................................................... 300
Assigning IP Addresses to an Interface.....................................................................................................................300
Configuring Static Routes............................................................................................................................................. 301
Configure Static Routes for the Management Interface...................................................................................... 303
IPv4 Path MTU Discovery Overview......................................................................................................................... 303
Using the Configured Source IP Address in ICMP Messages..............................................................................304
Configuring the Duration to Establish a TCP Connection.................................................................................... 304
Enabling Directed Broadcast........................................................................................................................................305
Resolution of Host Names............................................................................................................................................305
Enabling Dynamic Resolution of Host Names.......................................................................................................... 305
Specifying the Local System Domain and a List of Domains............................................................................... 306
Configuring DNS with Traceroute.............................................................................................................................. 306
ARP.....................................................................................................................................................................................307
Configuration Tasks for ARP........................................................................................................................................307
Configuring Static ARP Entries................................................................................................................................... 307
Enabling Proxy ARP........................................................................................................................................................308
Clearing ARP Cache....................................................................................................................................................... 308
ARP Learning via Gratuitous ARP...............................................................................................................................308
Enabling ARP Learning via Gratuitous ARP..............................................................................................................308
ARP Learning via ARP Request...................................................................................................................................309
Configuring ARP Retries............................................................................................................................................... 309
ICMP................................................................................................................................................................................... 310
Configuration Tasks for ICMP...................................................................................................................................... 310
Enabling ICMP Unreachable Messages...................................................................................................................... 310
UDP Helper........................................................................................................................................................................ 311
Enabling UDP Helper........................................................................................................................................................311
Configuring a Broadcast Address................................................................................................................................. 311
Configurations Using UDP Helper................................................................................................................................312
UDP Helper with Broadcast-All Addresses................................................................................................................312
UDP Helper with Subnet Broadcast Addresses....................................................................................................... 313
UDP Helper with Configured Broadcast Addresses................................................................................................ 313
UDP Helper with No Configured Broadcast Addresses......................................................................................... 314
Troubleshooting UDP Helper........................................................................................................................................ 314
Chapter 21: IPv6 Routing........................................................................................................... 315
Contents
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