Frame Relay (models with PIC bay) .................................................................. 82
Integrated Services Digital Network (ISDN) (models with PIC bay) .................... 85
BRI Versus PRI ........................................................................................... 85
Configuring the Basic Rate Interface ......................................................... 85
Configuring the Primary Rate Interface ..................................................... 85
Default Setup ........................................................................................... 86
Testing the BRI or PRI PIC .......................................................................... 86
Configuring ISDN (models with PIC bay) ......................................................... 87
Ordering ISDN in the USA and Canada ..................................................... 87
Configuring Basic Rate ISDN ..................................................................... 87
Configuring Primary Rate ISDN ................................................................. 90
Configuring ISDN Dial on Demand ........................................................... 92
Configuring ISDN Bandwidth on Demand ................................................. 93
Installing Port Interface Cards (PICs) (models with PIC bay) .............................. 94
Connecting to a Leased Line Circuit (models with PIC bay) .............................. 94
Using Trace Route for IP Traffic ........................................................................ 96
CHAPTER 6
Routing
This Chapter ................................................................................................... 99
Configuring an IP Network ............................................................................. 99
Before You Start ..................................................................................... 100
Configuring IP ........................................................................................ 100
Configuring IP Multicasting ........................................................................... 103
Configuring IGMP .................................................................................. 104
Multicasting using DVMRP ..................................................................... 104
Configuring Dynamic Host Configuration Protocol (DHCP) ............................ 109
Configuring a Novell IPX Network ................................................................. 111
Before You Start ..................................................................................... 111
Configuring IPX ...................................................................................... 112
Configuring IPX Dial-on-Demand ............................................................ 115
AppleTalk ...................................................................................................... 118
Routing Information Protocol (RIP) ................................................................ 119
Resource Reservation Protocol (RSVP) ............................................................ 119
OSPF ............................................................................................................. 120
Configuring a Basic OSPF Network ......................................................... 121
CHAPTER 7
Maintenance and Troubleshooting
This Chapter ................................................................................................. 123
How the Router Starts Up ............................................................................. 124
How to Avoid Problems ................................................................................ 125
What to Do if You Clear FLASH Memory Completely ..................................... 127
What to Do if the PPP Link Disconnects Regularly .......................................... 128
What to Do if Passwords are Lost .................................................................. 128
Getting the Most Out of Technical Support ................................................... 128
Resetting Router Defaults ............................................................................. 129
Checking Connections Using PING ................................................................ 129
Troubleshooting IP Configurations ................................................................ 130
Troubleshooting DHCP IP Addresses .............................................................. 132
Troubleshooting IPX Configurations .............................................................. 132
Using Trace Route for IP Traffic ...................................................................... 134
