Chapter 5 Basic Router Configuration
Configuring WAN Interfaces
Configuring a Cellular Interface
To configure the cellular interface, enter the following commands, beginning in privileged EXEC mode.
SUMMARY STEPS
1.configure terminal
2.interface cellular 0
3.encapsulation ppp
4.ppp chap hostname hostname
5.ppp chap password 0 password
6.asynchronous mode interactive
7.ip address negotiated
Note The PPP Challenge Handshake Authentication Protocol (CHAP) authentication parameters that you use
in this procedure must be the same as the username and password provided by your carrier and configured only under the GSM profile. CDMA does not require a username or password.
DETAILED STEPS
| Command or Action | Purpose |
|
|
|
Step 1 | configure terminal | Enters global configuration mode from the terminal. |
| Example: |
|
| Router# configure terminal |
|
|
|
|
Step 2 | interface cellular 0 | Specifies the cellular interface. |
| Example: |
|
| Router (config)# interface cellular 0 |
|
|
|
|
Step 3 | encapsulation ppp | Specifies PPP encapsulation for an interface |
|
| configured for dedicated asynchronous mode or |
| Example: | |
|
| |
| Router |
|
|
|
|
Step 4 | ppp chap hostname hostname | Defines an |
|
| Authentication Protocol (CHAP) hostname. This |
| Example: | must match the username given by the carrier. |
| Applies to GSM only. | |
| Router | |
|
| |
|
|
|
Step 5 | ppp chap password 0 password | Defines an |
|
| must match the password given by the carrier. |
| Example: |
|
| Router |
|
|
|
|
| Cisco 819 Series Integrated Services Router Software Configuration Guide |