Specifications

Chapter 5 Configuring ISDN
Dial-Up ISDN Connection with Dialer Profiles
5-22
Cisco 1700 Series Router Software Configuration Guide
78-5407-03
Configuring the ISDN Interface
Follow these steps to configure the ISDN interface, which connects the router to
the central-site router over the wide-area network.
Command Task
Step1
interface BRI0 Enter configuration mode for the ISDN
interface.
Step2
description ISDN connectivity Add a description of the ISDN interface to
help you remember what is attached to it.
Step3
isdn spid1 555987601 Enter the SPID number that has been assigned
by the ISDN service provider for the B1
channel.
This step is required only when the service
provider has assigned a SPID to your ISDN
line. Not all ISDN lines required SPIDs.
Step4
isdn spid2 555987602 Define the SPID number that has been
assigned by the ISDN service provider for the
B2 channel.
This step is required only when the service
provider has assigned a SPID to your ISDN
line. Not all ISDN lines required SPIDs.
Step5
no ip address Disable IP routing on this interface.
Step6
dialer pool-member 1 Put this interface in a dialing pool.
As an option, you can also assign a priority to
the interface with this command.
Step7
encapsulation ppp Set the encapsulation method on this interface
to PPP.
Step8
ppp authentication chap pap Enable CHAP and PAP authentication on this
interface. CHAP authentication is attempted
first. If the central-site router does not support
CHAP, then PAP is used for authentication.
Step9
ppp multilink Enable multilink PPP on this interface.