Users Guide

Set Auto-Negotiation Options.......................................................................................................................378
View Advanced Interface Information............................................................................................................... 379
Configuring the Interface Sampling Size.....................................................................................................379
Dynamic Counters.................................................................................................................................................380
Clearing Interface Counters...........................................................................................................................381
Compressing Configuration Files........................................................................................................................381
20 IPv4 Routing...................................................................................................................................................... 385
IP Addresses............................................................................................................................................................ 386
Implementation Information......................................................................................................................... 386
Configuration Tasks for IP Addresses................................................................................................................386
Assigning IP Addresses to an Interface..............................................................................................................386
Configuring Static Routes.....................................................................................................................................387
Configure Static Routes for the Management Interface............................................................................... 388
Using the Configured Source IP Address in ICMP Messages....................................................................... 389
Configuring the ICMP Source Interface......................................................................................................389
Configuring the Duration to Establish a TCP Connection............................................................................389
Enabling Directed Broadcast...............................................................................................................................390
Resolution of Host Names...................................................................................................................................390
Enabling Dynamic Resolution of Host Names................................................................................................ 390
Specifying the Local System Domain and a List of Domains........................................................................391
Configuring DNS with Traceroute...................................................................................................................... 391
ARP............................................................................................................................................................................ 392
Configuration Tasks for ARP................................................................................................................................392
Configuring Static ARP Entries............................................................................................................................ 392
Enabling Proxy ARP................................................................................................................................................393
Clearing ARP Cache...............................................................................................................................................393
ARP Learning via Gratuitous ARP........................................................................................................................393
Enabling ARP Learning via Gratuitous ARP.......................................................................................................394
ARP Learning via ARP Request............................................................................................................................ 394
Configuring ARP Retries....................................................................................................................................... 395
ICMP..........................................................................................................................................................................395
Configuration Tasks for ICMP............................................................................................................................. 395
Enabling ICMP Unreachable Messages............................................................................................................. 395
UDP Helper..............................................................................................................................................................396
Configure UDP Helper.................................................................................................................................... 396
Important Points to Remember.................................................................................................................... 396
Enabling UDP Helper.............................................................................................................................................396
Configuring a Broadcast Address....................................................................................................................... 396
Configurations Using UDP Helper......................................................................................................................397
UDP Helper with Broadcast-All Addresses....................................................................................................... 397
UDP Helper with Subnet Broadcast Addresses............................................................................................... 398
UDP Helper with Configured Broadcast Addresses....................................................................................... 398
UDP Helper with No Configured Broadcast Addresses.................................................................................399
Troubleshooting UDP Helper..............................................................................................................................399
21 IPv6 Routing...................................................................................................................................................... 400
9.10(0.1)
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