Connectivity Guide

Table Of Contents
Setting the Speed of Ethernet Interfaces.......................................................................................................... 402
Set Auto-Negotiation Options............................................................................................................................... 403
View Advanced Interface Information....................................................................................................................... 404
Configuring the Interface Sampling Size.............................................................................................................404
Configuring the Traffic Sampling Size Globally....................................................................................................... 405
Dynamic Counters.......................................................................................................................................................... 406
Clearing Interface Counters................................................................................................................................... 407
Compressing Configuration Files.................................................................................................................................407
Chapter 21: IPv4 Routing........................................................................................................... 410
IP Addresses...................................................................................................................................................................... 411
Configuration Tasks for IP Addresses......................................................................................................................... 411
Assigning IP Addresses to an Interface.......................................................................................................................411
Configuring Static Routes............................................................................................................................................. 412
Configure Static Routes for the Management Interface....................................................................................... 413
Using the Configured Source IP Address in ICMP Messages...............................................................................413
Configuring the Duration to Establish a TCP Connection..................................................................................... 414
Enabling Directed Broadcast.........................................................................................................................................414
Resolution of Host Names.............................................................................................................................................414
Enabling Dynamic Resolution of Host Names...........................................................................................................415
Specifying the Local System Domain and a List of Domains................................................................................ 415
Configuring DNS with Traceroute............................................................................................................................... 416
ARP..................................................................................................................................................................................... 416
Configuration Tasks for ARP........................................................................................................................................ 416
Configuring Static ARP Entries.................................................................................................................................... 417
Enabling Proxy ARP.........................................................................................................................................................417
Clearing ARP Cache........................................................................................................................................................ 417
ARP Learning via Gratuitous ARP................................................................................................................................418
Enabling ARP Learning via Gratuitous ARP...............................................................................................................418
ARP Learning via ARP Request....................................................................................................................................418
Configuring ARP Retries................................................................................................................................................ 419
ICMP................................................................................................................................................................................... 419
Configuration Tasks for ICMP...................................................................................................................................... 419
Enabling ICMP Unreachable Messages..................................................................................................................... 420
ICMP Redirects............................................................................................................................................................... 420
UDP Helper........................................................................................................................................................................421
Enabling UDP Helper.......................................................................................................................................................421
Configuring a Broadcast Address................................................................................................................................422
Configurations Using UDP Helper...............................................................................................................................422
UDP Helper with Broadcast-All Addresses...............................................................................................................422
UDP Helper with Subnet Broadcast Addresses.......................................................................................................423
UDP Helper with Configured Broadcast Addresses............................................................................................... 423
UDP Helper with No Configured Broadcast Addresses.........................................................................................424
Troubleshooting UDP Helper........................................................................................................................................424
Chapter 22: IPv6 Routing.......................................................................................................... 425
Protocol Overview..........................................................................................................................................................425
Extended Address Space........................................................................................................................................ 425
Stateless Autoconfiguration................................................................................................................................... 425
Contents
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