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Configuring the ADSL Interface

Timesaver

Obtain this information from your system administrator or network plan before you begin router

configuration.

You can configure the new interface and other router parameters by using any of the following methods:

•

These procedures are explained in the following sections. To change the settings shown in the examples,

and for further information, refer to the IOS configuration guides and command references. If you have

questions or need help, see the section

Default Commands

The IOS software provides the following default configurations for ADSL-specific parameters.

The following default command sets the ADSL operating mode:

dsl operating-mode auto

The following command sets the ATM virtual circuit-per-virtual path (vc-per-vp) configuration for the

router:

atm vc-per-vp 256

Defaults for WIC-1ADSL-I-DG

For the WIC-1ADSL-I-DG, the default command operating-mode auto sets the carrier tone range from

33 to 56 to meet the requirements of the Deutsche Telekom U-R2 specification.

Alternately, to set the carrier tone range from 29 to 48, use the command

dsl operating-mode auto tone low

This command, dsl operating-mode auto tone low, is not available on the WIC-1ADSL or

WIC-1ADSL-DG.

Configuration Mode

You can configure the interfaces on your ADSL WIC manually by entering IOS commands on the

command line. This method, called configuration mode, provides the greatest power and flexibility.

For further information about these commands, refer to the IOS configuration guides and command

references.

Configuring an ADSL WAN Interface Card on Cisco 1700 Series Routers

Configuration Mode

(manual configuration)—recommended if you are familiar with IOS

commands. Enter the commands at the prompt.

AutoInstall

(automatic installation)—recommended if another router running IOS software is

installed on the network. This configuration method must be coordinated in advance by someone

with experience using IOS software, such as the network administrator.

System Configuration Dialog

commands. You are prompted for each response.

(Setup facility)—recommended if you are not familiar with IOS

"Obtaining Technical Assistance"

later in this document.

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