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Step 7: Set Up an ISDN WAN Connection



    Step 1:   SMB Support Assistant Site Survey
    Step 2:   Set Up Your 800 or SB 100 Router Hardware
                  Set Up Your 1700 Series Router Hardware
                  Set Up Your 1800 Series Router Hardware
                  Set Up Your 2600 Series Router Hardware
                  Set Up Your 2800 Series Router Hardware
                  Set Up Your 3800 Series Router Hardware
    Step 3:   Download and Install Security Device Manager
    Step 4:   Configure Your Router with Security Device Manager
    Step 5:   Configure Wireless Security on an Integrated Services Router (ISR Only)
    Step 6:   Add or Remove a Wireless User on an Integrated Services Router (ISR Only)
    Step 7:  Set Up an ISDN WAN Connection
                      Introduction
                      Requirements
                      Set Up an ISDN WAN Connection
                      Verify the WAN Connection
                      Next Step
                      Troubleshoot the Procedure
                           Troubleshoot the WAN Connection
                      Related Information
    Step 8:   Set Up Internet Security on a Cisco Router



Introduction

This document explains how to set up an ISDN WAN connection on your router.


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Requirements


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Set Up an ISDN WAN Connection

To set up an ISDN WAN connection, follow these steps:

  1. Click Create New Connection.

    isdna.gif

  2. Click Next at the Welcome to the ISDN connection Wizard screen.

  3. Next to Switch type, select the switch type that you entered in the Internet Worksheet (A30).

    If you entered SPIDs in the Internet Worksheet (A33, A34), check I have SPIDs. If you entered a SPID 1 number(A33), enter the number next to SPID1. If you entered a SPID 2 number(A34), enter the number next to SPID2. Click Next.

    isdn2a.gif

  4. Next to Remote phone number, enter the ISP ISDN Access Number that you entered in the Internet Worksheet (A35). Click Next.

    isdn3a.gif

  5. If you checked Static in field B43 of the Internet Worksheet, choose Static IP Address and enter the IP address and subnet mask that you entered in the Internet Worksheet (B46, B41). If you checked Dynamic in field B43 of the Internet Worksheet, choose Easy IP (IP Negotiated). Click Next.

    isdn4a.gif

  6. If you selected PPP PAP or PPP CHAP authentication in the Internet Worksheet (A37), check the appropriate type next to Authentication Type. In the Username and Password fields, enter the username and password that you entered in the Internet Worksheet (A38, A39). Click Next.

    isdn5a.gif

    Note: If you have already configured another WAN connection, SDM displays the Backup Configuration screen. If you see the Backup Configuration screen, choose Do not configure this connection as backup and click Next.

  7. If you checked Static in field B43 of the Internet Worksheet, check Default Static Route and choose Next Hop IP Address. Enter the ISP Router IP address that you entered in the Internet Worksheet (field B47). Click Next.

    isdn8a.gif

  8. On the Summary screen, review your configuration to ensure that it is accurate, and then click Finish.

  9. When the Commands Delivery Status screen appears, click OK to confirm.

  10. Click Save to save your new configuration.

    isdn12.gif


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Verify the WAN Connection

To verify your WAN connection, follow these steps:

  1. Click Configure > Interfaces and Connections.

  2. Select your new WAN interface and click Test Connection.

    isdnwantest1c.gif

  3. Click Automatically determined by SDM, and then click Start to begin the test.

    isdnwantest2.gif

  4. SDM displays a window that indicates whether or not the test was successful.

    isdnwantest3.gif

    Click OK to close the Information window.

  5. If the test is successful, proceed to the next step.

    If the test failed, click Details to display the interface state. Note the Interface State and proceed to Troubleshoot WAN Connection.

    isdnwantest4.gif

  6. Click Close to exit the testing interface.

  7. Click File > Exit to exit SDM.


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Next Step

You have now set up an ISDN WAN connection.

You can now set up firewall and security options on your router. For instructions, refer to Set Up Internet Security on a Cisco Router.


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Troubleshoot the Procedure

This section provides information about common problems that you may encounter. If this information does not solve your problem, contact the SMB Technical Assistance Center (SMB TAC) for assistance.

Problem

Cause(s) and Suggested Solution(s)

I need more information about my ISDN connection in order to complete the configuration.

Contact your Internet Service Provider (ISP) to confirm the details of your ISDN connection.

I set up my WAN connection but it does not function properly.

See the Troubleshoot the WAN Connection section.

I want to set up an ISDN connection in addition to my primary Internet connection.

Contact the SMB Technical Assistance Center (SMB TAC) for assistance.

I want to set up an ISDN connection as a failover for my primary Internet connection.

Contact the SMB Technical Assistance Center (SMB TAC) for assistance.

Troubleshoot the WAN Connection

Use the table to determine your problem and the appropriate solution.

Interface physical status:

Line Protocol Status

Action

Up

Up

This interface status indicates that the interface functions properly and the router can communicate with the remote device on the WAN.

Administratively Down

Down

This interface status indicates that the interface is disabled in the router configuration. To enable your interface, follow these steps:

  1. Type interface bri0/0 and press Enter.

  2. Type no shutdown and press Enter.

  3. Type end to exit configuration mode.

  4. Type write memory to save the new configuration.

Down

Down

This interface status indicates that the WAN interface is unable to communicate with a remote device.

  • Your router configurations do not match the configurations used by your Internet Service Provider (ISP). Contact your ISP to verify that you have the correct settings.

  • A physical WAN connection is not in place. Ensure that the router is properly plugged into the WAN connection and that your ISP has completed installation of the WAN connection.

  • Verify with your Internet Service Provider (ISP) that service is ready for use. Make a note of your current interface state and your current configuration before you contact your ISP.

Up

Down

This interface status indicates that the interface is enabled and the router is physically connected to a remote WAN device but the interface cannot communicate properly with the remote WAN device.

  • Your configuration partially matches the settings used in the ISP network. Contact your ISP to verify that you have the correct settings.

  • Check to ensure that you have the proper cable type attached to your WAN connection. Make a note of your current interface state and your current configuration before you contact your ISP. For more information about cable types, refer to Cable Descriptions.


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Related Information

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