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Example: Routing

The following scenario has been designed to illustrate the configuration of network connections and their routes.

Scenario

A camera is mounted at a parking area and observes the main entrance of a company building. The receptionist needs to see a Live Image of the camera. Also, during the day, the image is supposed to be presented on the company's web site which is located on an external server. During the night, the grounds are monitored. In case of an alarm, the images are not only stored on the company's network but a re sent redundantly via ISDN on a separate backup computer. In case of an alarm, an e-mail is sent as well.

Design and Network Topology

The camera is integrated in the company network via Ethernet. Additionally, the camera is equipped with ISDN, so that it can connect to the Internet and dial-in to the backup computer:

Due to security reasons, the internal company network is separated from the external network connection of the camera by a gateway. The IP addresses of the two gateway interfaces are: 192.168.5.254 (external) and 192.168.1.254 (internal). The camera is assigned the (external) IP address 192.168.5.70. The receptionist's PC has the (internal) IP address 192.168.1.121 and in the case of an alarm, the camera is supposed to store images via FTP on the Intranet server 192.168.1.120.

ISDN is used for dialing-out to a provider in order to obtain an Internet connection. Thus, the camera can regularly update an image on the web server www.mycompanyxyz.com on which the company's website is hosted. On top of this, sending e-mails using freely accessible e-mail services (e.g. via the smtp.mymailserver.com server) is possible. In case of an alarm, ISDN is used also for dialing in to an ISDN router for establishing the redundant connection to the backup computer 10.0.1.120.

Current Configuration

  1. To begin with, configure three FTP Profiles:
  2. Click Set to save the changes, then click on to return to the Admin Menu.
  3. Then, create the e-mail profile "ALARM" in the E-Mail Profiles dialog. You can use a valid DNS name for the SMTP server, e.g. smtp.mymailserver.com.
  4. Click Set to save the changes, then click on to return to the Admin Menu.
  5. Next, you configure the Ethernet Interface by assigning the camera the following network data:
  6. Click Set to save the changes, then click on to return to the Admin Menu.
  7. Then, enter the following ISDN connections in the ISDN Data Connections dialog:

    The Dial-Out Connections dialog should now contain the following entries:

  8. Click Set to save the changes, then click on to return to the Admin Menu.
  9. Then, open the Routing dialog and enter the following routes:

    The Routing dialog should now contain the following entries:

  10. Click Set to save the changes, then click on Close to close the dialog. Save the modified configuration in the permanent storage of the camera and reboot the camera.

You can now check the default route in the Test Current Network Configuration dialog. If this test is successful, you can set up regular image transfers, i.e. the respective events and actions.

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