User Manual

Table Of Contents

BETA DRAFT —CISCO CONFIDENTIAL

3G Wireless High-Speed WAN Interface Card for Cisco 1800, 2800, and 3800 Series Routers

Configuration Examples for the Wireless WAN HWIC

Cisco IOS Release TBD

Asynchronous Line and Reverse Telnet

Each cellular interface has one TTY line associated with it. The line will allow you to use reverse telnet

to the cellular modem located in the cellular HWIC.

Note Reverse telnet to the modem is allowed only when the modem is not in the data connection.

To reverse telnet to the cellular modem, perform the steps in this section. This section contains the

following subsections:

• SUMMARY STEPS

• DETAILED STEPS

SUMMARY STEPS

1. show line

2. telnet

3. ati

DETAILED STEPS

Configuration Examples for the Wireless WAN HWIC

This section provides the following configuration examples:

• Configuring NAT Using the Cellular Modem

• Asynchronous Line and Reverse Telnet

• Configuring the Cellular Interface

Configuring NAT Using the Cellular Modem

The following sample configuration shows the configuration of the router with NAT:

Command or Action Purpose

Step 1

show line

In Exec mode, this command shows the line that is

communicating to the interface.

Step 2

telnet

<cellular interface IP address

Example:

Router# telnet 10.0.0.1 2001

Starts the reverse telnet session.

Note Add prefix 20 to line number.

Step 3

ATI

Gives information on the modem and verifies that

the modem is in the reverse telnet session.

Step 4

Press Ctrl+Shift+6 together, followed by lower case x Prepares to disconnect the reverse telnet session.

Step 5

At router prompt (#), enter disconnect Disconnects the reverse telnet session.