Administrator Guide

Congure the MTU Size on an Interface....................................................................................................................424
Port-Pipes.......................................................................................................................................................................425
Auto-Negotiation on Ethernet Interfaces...................................................................................................................425
Setting the Speed of Ethernet Interfaces............................................................................................................ 425
Set Auto-Negotiation Options................................................................................................................................427
View Advanced Interface Information......................................................................................................................... 427
Conguring the Interface Sampling Size.............................................................................................................. 428
Conguring the Trac Sampling Size Globally...........................................................................................................429
Dynamic Counters......................................................................................................................................................... 430
Clearing Interface Counters.................................................................................................................................... 431
25 Internet Protocol Security (IPSec).......................................................................................................... 432
Conguring IPSec .........................................................................................................................................................432
26 IPv4 Routing............................................................................................................................................434
IP Addresses...................................................................................................................................................................435
Implementation Information....................................................................................................................................435
Conguration Tasks for IP Addresses..........................................................................................................................435
Assigning IP Addresses to an Interface.......................................................................................................................435
Conguring Static Routes.............................................................................................................................................436
Congure Static Routes for the Management Interface.......................................................................................... 437
IPv4 Path MTU Discovery Overview.......................................................................................................................... 438
Using the Congured Source IP Address in ICMP Messages..................................................................................438
Conguring the ICMP Source Interface............................................................................................................... 438
Conguring the Duration to Establish a TCP Connection........................................................................................ 439
Enabling Directed Broadcast........................................................................................................................................ 439
Resolution of Host Names............................................................................................................................................439
Enabling Dynamic Resolution of Host Names............................................................................................................440
Specifying the Local System Domain and a List of Domains................................................................................... 440
Conguring DNS with Traceroute................................................................................................................................ 441
ARP.................................................................................................................................................................................. 441
Conguration Tasks for ARP........................................................................................................................................ 442
Conguring Static ARP Entries....................................................................................................................................442
Enabling Proxy ARP.......................................................................................................................................................442
Clearing ARP Cache...................................................................................................................................................... 443
ARP Learning via Gratuitous ARP................................................................................................................................443
Enabling ARP Learning via Gratuitous ARP................................................................................................................443
ARP Learning via ARP Request................................................................................................................................... 443
Conguring ARP Retries............................................................................................................................................... 444
ICMP............................................................................................................................................................................... 445
Conguration Tasks for ICMP......................................................................................................................................445
Enabling ICMP Unreachable Messages...................................................................................................................... 445
UDP Helper.....................................................................................................................................................................445
Congure UDP Helper.............................................................................................................................................445
Important Points to Remember............................................................................................................................. 446
Enabling UDP Helper.....................................................................................................................................................446
16
Contents