Cisco 1700 Series Installationsanleitung PDF herunterladen (Seite 12)

Configuring an ADSL WAN Interface Card on Cisco 1700 Series Routers

OL-3317-03

Configuring the ADSL Interface

Note You can enter the System Configuration dialog at any time from the enable prompt (Router#)

by entering the setup command.

Step 3 When the System Configuration dialog asks whether you want to view the current interface summary,

press Return or enter yes.

Step 4 If you have not configured the router before, or if you want to change the configuration, you should

now configure global parameters, passwords, network management, and routing protocols. Refer to the

procedures in the IOS configuration guides and command references. Press Return to accept the

default values.

Step 5 The System Configuration dialog prompts you to configure network interfaces. When you reach the

ATM interface, determine which protocols you want on the interface, and enter the appropriate

responses. (You must have previously enabled these protocols as part of the global configuration.)

Step 6 If your router has more than one LAN interface, repeat Step 5 to configure each LAN interface.

Step 7 The configuration you entered is displayed as a command script, and you are asked if you want to use

it. If you enter no, the information you just entered is discarded, and you can begin the configuration

again. If you enter yes, the configuration is saved in the startup configuration:

Use this configuration? [yes/no]: yes

Building configuration...

Use the enabled mode 'configure' command to modify this configuration.

Press RETURN to get started!

The configuration is saved. If you added an interface, the router reboots in the new configuration when

you press Return.

You can configure the router for ATM and ADSL parameters using the following scenarios:

• Replacing a bridge or modem with the ADSL card

• PPP over ATM with Network Address Translation (NAT)

• RFC 1483 encapsulation with NAT

• Integrated routing and bridging

• Concurrent routing and bridging

The scenario configurations above are identical to those for the Cisco 827-4V router. To configure these

scenarios on the Cisco 1720, 1721, 1751, and 1760 routers with the ADSL WIC, refer to the Cisco 827

Routers Software Configuration Guide.

You can also access the information online at the following location:

http://www.cisco.com/univercd/cc/td/doc/product/access/acs_fix/827/index.htm.

Example Configuration

The following example shows a Cisco 1751 router configured for bridging on the ATM interface with an

ADSL over POTS card:

Current configuration :

version 12.2

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Cisco 1700 Series Installationsanleitung Seite 12