Connectivity Guide

Table Of Contents
Using Ethernet Pause Frames for Flow Control......................................................................................................402
Enabling Pause Frames............................................................................................................................................403
Configure the MTU Size on an Interface.................................................................................................................. 403
Port-Pipes.........................................................................................................................................................................404
Auto-Negotiation on Ethernet Interfaces................................................................................................................. 404
Setting the Speed of Ethernet Interfaces.......................................................................................................... 405
Set Auto-Negotiation Options............................................................................................................................... 406
View Advanced Interface Information....................................................................................................................... 407
Configuring the Interface Sampling Size.............................................................................................................407
Configuring the Traffic Sampling Size Globally....................................................................................................... 408
Dynamic Counters........................................................................................................................................................... 410
Clearing Interface Counters.................................................................................................................................... 410
Discard Counters.............................................................................................................................................................. 411
Display discard counters........................................................................................................................................... 411
Chapter 22: Internet Protocol Security (IPSec)......................................................................... 413
Configuring IPSec ...........................................................................................................................................................413
Chapter 23: IPv4 Routing...........................................................................................................415
IP Addresses..................................................................................................................................................................... 416
Configuration Tasks for IP Addresses........................................................................................................................ 416
Assigning IP Addresses to an Interface......................................................................................................................416
Configuring Static Routes..............................................................................................................................................417
Configure Static Routes for the Management Interface.......................................................................................418
IPv4 Path MTU Discovery Overview.......................................................................................................................... 418
Using the Configured Source IP Address in ICMP Messages...............................................................................419
Configuring the Duration to Establish a TCP Connection..................................................................................... 419
Enabling Directed Broadcast........................................................................................................................................420
Resolution of Host Names............................................................................................................................................ 420
Enabling Dynamic Resolution of Host Names.......................................................................................................... 420
Specifying the Local System Domain and a List of Domains................................................................................ 421
Configuring DNS with Traceroute............................................................................................................................... 421
ARP.....................................................................................................................................................................................422
Configuration Tasks for ARP........................................................................................................................................422
Configuring Static ARP Entries................................................................................................................................... 422
Enabling Proxy ARP........................................................................................................................................................423
Clearing ARP Cache....................................................................................................................................................... 423
ARP Learning via Gratuitous ARP...............................................................................................................................423
Enabling ARP Learning via Gratuitous ARP..............................................................................................................424
ARP Learning via ARP Request................................................................................................................................... 424
Configuring ARP Retries............................................................................................................................................... 425
ICMP.................................................................................................................................................................................. 425
Configuration Tasks for ICMP..................................................................................................................................... 425
Enabling ICMP Unreachable Messages..................................................................................................................... 425
ICMP Redirects............................................................................................................................................................... 426
UDP Helper....................................................................................................................................................................... 427
Enabling UDP Helper...................................................................................................................................................... 427
Configuring a Broadcast Address................................................................................................................................427
Configurations Using UDP Helper...............................................................................................................................428
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