Testing the Configuration

After reinitializing the system, you can use the following information to test your configuration.

At the System Console prompt, type load callmgr, then press Enter.

If you configured your interface for a permanent link, the call should display automatically. If you configured a dynamic link, press Insert then select the WAN Call Destination you just configured as well as the IP protocol. The status column in the Call Connection Manager should display Out-Connecting and the modem should immediately begin dialing. If you press Alt+Esc to go back to the server console window, you should see a message stating that the call connection was established.

To make sure the connection is live on the Internet:

  1. At the System Console prompt, type load ping, then press Enter.

  2. In the Host name field, type the IP address of a known server.

    First, try the IP address of your ISP.

  3. Press ESC.

    The Ping utility will begin pinging. You should see packets being sent and received.

  4. Press Insert and type another address outside your ISP's network such as Novell's DNS server (137.65.1.1).

    You should see packets being sent and received from this destination as well.

Viewing the PPP traffic between your server and your ISP using the PPPTRACE utility at the server can also help you debug the connection. This utility lets you look at, capture, and playback PPP sessions.

To view the PPP traffic between your server and your ISP:

  1. At the System Console prompt, type load ppptrace, then press Enter.

  2. From the Available Options menu, select Real-Time Monitor, then press Enter.

    Real-Time Monitor can tell you the following:

    • Whether you are sending valid commands to the modem
    • Whether the modem is responding to the commands
    • Whether the modem is replying with an error message
    • Whether a connection is established
    • Depending on the setup strings sent to the modem, the connection speed
    • Password problems

      If you see three instances of a PAP or CHAP packets being sent from the ISP to you, it is an indication that your password was not accepted. This might be an indication that you need to reconfigure the setting to use CHAP, or PAP. A typical indication is that the connection is made, packets are exchanged, and then the ISP sends packets to the modem that get no response. After about 30 seconds, the connection is dropped by the ISP.

To determine whether you have routing issues, enter the following command at the System Console prompt:

set tcp ip debug=1

This command displays the IP packets.

To see what the assigned addresses are, enter the following command at the System Console prompt:

config

This information lets you see whether the connection was successfully established to the point that the ISP assigned you an IP address at the modem.