Concept Guide

Enabling Pause Frames........................................................................................................................................... 426
Congure the MTU Size on an Interface.................................................................................................................... 427
Port-Pipes.......................................................................................................................................................................428
Auto-Negotiation on Ethernet Interfaces................................................................................................................... 428
Setting the Speed of Ethernet Interfaces............................................................................................................ 428
Set Auto-Negotiation Options................................................................................................................................429
View Advanced Interface Information.........................................................................................................................430
Conguring the Interface Sampling Size............................................................................................................... 431
Conguring the Trac Sampling Size Globally...........................................................................................................432
Dynamic Counters......................................................................................................................................................... 433
Clearing Interface Counters....................................................................................................................................434
Compressing Conguration Files................................................................................................................................. 434
22 Internet Protocol Security (IPSec)...........................................................................................................438
Conguring IPSec .........................................................................................................................................................438
23 IPv4 Routing............................................................................................................................................440
IP Addresses....................................................................................................................................................................441
Implementation Information.................................................................................................................................... 441
Conguration Tasks for IP Addresses.......................................................................................................................... 441
Assigning IP Addresses to an Interface........................................................................................................................441
Conguring Static Routes.............................................................................................................................................442
Congure Static Routes for the Management Interface.......................................................................................... 443
IPv4 Path MTU Discovery Overview.......................................................................................................................... 444
Packet handling during MTU mismatch................................................................................................................444
Using the Congured Source IP Address in ICMP Messages..................................................................................444
Conguring the ICMP Source Interface............................................................................................................... 444
Conguring the Duration to Establish a TCP Connection........................................................................................ 445
Enabling Directed Broadcast........................................................................................................................................ 445
Resolution of Host Names............................................................................................................................................445
Enabling Dynamic Resolution of Host Names............................................................................................................446
Specifying the Local System Domain and a List of Domains................................................................................... 446
Conguring DNS with Traceroute................................................................................................................................447
ARP..................................................................................................................................................................................447
Conguration Tasks for ARP........................................................................................................................................ 448
Conguring Static ARP Entries....................................................................................................................................448
Enabling Proxy ARP.......................................................................................................................................................448
Clearing ARP Cache......................................................................................................................................................449
ARP Learning via Gratuitous ARP................................................................................................................................449
Enabling ARP Learning via Gratuitous ARP................................................................................................................449
ARP Learning via ARP Request................................................................................................................................... 449
Conguring ARP Retries...............................................................................................................................................450
ICMP................................................................................................................................................................................ 451
Conguration Tasks for ICMP.......................................................................................................................................451
Enabling ICMP Unreachable Messages....................................................................................................................... 451
UDP Helper..................................................................................................................................................................... 451
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