
Configuring Dial Services
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Before You Begin
Before you configure a dial service, do the following:
• Install the router.
• Install either ISDN or modem lines.
• Order Integrated Services Digital Network (ISDN) service (if applicable) and
received the information for setting up ISDN configurations (for example,
switch type and phone numbers). See Appendix D for information on ordering
ISDN lines in the United States.
• Order and configure external modems (if applicable).
• Determine the Challenge Handshake Authentication Protocol (CHAP) names
and secrets for routers making connections with the Point-to-Point Protocol
(PPP).
In addition, you should have read Configuring and Managing Routers with Site
Manager and done the following:
• Opened the configuration file you want to configure with dial services. For
instructions on setting up leased interfaces, see
Configuring and Managing
Routers with Site Manager.
Setting Up a Dial Service
Each dial service has many configurable parameters, but for a basic configuration,
you change only a subset of these parameters.
Setting up dial backup service involves the following main tasks:
1.
Creating the leased interface that will use dial backup service
2.
Creating the dial-up physical interface
3.
Creating line pools
4.
Assigning and configuring circuits that use the configured line pools
Each task involves several steps, which are discussed later in this chapter.
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