Service Manual

View Advanced Interface Information......................................................................................................................... 374
Conguring the Interface Sampling Size...............................................................................................................375
Dynamic Counters..........................................................................................................................................................376
Clearing Interface Counters....................................................................................................................................376
Compressing Conguration Files..................................................................................................................................377
20 IPv4 Routing............................................................................................................................................380
IP Addresses....................................................................................................................................................................381
Implementation Information.................................................................................................................................... 381
Conguration Tasks for IP Addresses.......................................................................................................................... 381
Assigning IP Addresses to an Interface........................................................................................................................381
Conguring Static Routes.............................................................................................................................................382
Congure Static Routes for the Management Interface.......................................................................................... 383
Using the Congured Source IP Address in ICMP Messages..................................................................................383
Conguring the ICMP Source Interface............................................................................................................... 384
Conguring the Duration to Establish a TCP Connection........................................................................................ 384
Enabling Directed Broadcast........................................................................................................................................ 384
Resolution of Host Names............................................................................................................................................385
Enabling Dynamic Resolution of Host Names............................................................................................................385
Specifying the Local System Domain and a List of Domains................................................................................... 386
Conguring DNS with Traceroute................................................................................................................................386
ARP..................................................................................................................................................................................387
Conguration Tasks for ARP.........................................................................................................................................387
Conguring Static ARP Entries.................................................................................................................................... 387
Enabling Proxy ARP.......................................................................................................................................................388
Clearing ARP Cache......................................................................................................................................................388
ARP Learning via Gratuitous ARP................................................................................................................................388
Enabling ARP Learning via Gratuitous ARP................................................................................................................388
ARP Learning via ARP Request................................................................................................................................... 389
Conguring ARP Retries...............................................................................................................................................389
ICMP............................................................................................................................................................................... 390
Conguration Tasks for ICMP...................................................................................................................................... 390
Enabling ICMP Unreachable Messages...................................................................................................................... 390
UDP Helper..................................................................................................................................................................... 391
Congure UDP Helper............................................................................................................................................. 391
Important Points to Remember.............................................................................................................................. 391
Enabling UDP Helper......................................................................................................................................................391
Conguring a Broadcast Address.................................................................................................................................391
Congurations Using UDP Helper............................................................................................................................... 392
UDP Helper with Broadcast-All Addresses.................................................................................................................392
UDP Helper with Subnet Broadcast Addresses.........................................................................................................393
UDP Helper with Congured Broadcast Addresses..................................................................................................393
UDP Helper with No Congured Broadcast Addresses............................................................................................394
Troubleshooting UDP Helper........................................................................................................................................ 394
21 IPv6 Routing............................................................................................................................................ 395
Protocol Overview.........................................................................................................................................................395
14
Contents