Network configuration
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Changing the IP address of the DVB Net source

The final step is to set the address of the network interface to the DVB source to the standard value used by the TelliCast software.  Please note that the device names may be slightly different.  For example, the SkyStar2 DVB PCI card has a name TechniSat DVB-PC TV Star PCI, whereas the Dexatek USB box has a driver name: DVB Net ETAdapter.

For Windows Vista, using the Control Panel, navigate to the Manage Network Connections page:

XP - for Windows XP, use Control Panel, Networks, to list the network connections:

Double-click on the DVB Net ETAdapter, and press the Properties button.  The Windows Vista and Windows XP dialogs are quite similar.

Select the Internet Protocol Version 4 (TCP/IPv4) line, and click Properties.  With Windows XP, select the Internet Protocol (TCP/IP) line.

Select "Use the following IP address", and enter 192.168.238.238 for the IP address.  Click on the Subnet mask field, and it will automatically be filled in as 255.255.255.0.

Click OK, and then click Close on the status dialog.


Using a LAN at the same time as the DVB/TelliCast software

On Windows Vista, but not Windows XP, some people have reported problems with using a LAN and the DVB/TelliCast software at the same time.  It appears that communication between the TelliCast software and the DVB software which should be internal to the PC is actually being sent over the LAN connection.  As the DVB network interface is actually software inside the PC, and not hardware at the end of the LAN cable, TelliCast fails to work, being either stuck in the yellow T-icon state or, if the network cable is connected after the system was working, the icon alternates between the "pink" and "red" states.

To work round this problem, you need to tell Vista that the addresses handled by the DVB software must always be reached through the address which you set up in the step above.  In the Start menu, All Programs, Accessories menu, you will find an item named Command Prompt.  Right-click on this item, and select Run as administrator.  Enter the following command:

    route -p -4 ADD 224.0.0.0 mask 240.0.0.0 192.168.238.238

Interpreted into plain English (?), the command line means: add a permanent route with IPV4 to force access to the multi-cast address 224.0.0.0 to go via the interface with IP address 192.168.238.238.  The address 192.168.238.238 is the address given to the virtual network card created by the networking component of the DVB software (you set this earlier on this page).  The address 224.0.0.0 is where the EUMETCast data appears to be coming from (and this is hard-coded in the HotBird transmissions).  So we are telling the system that to receive EUMETCast data, you need to look for it on the DVB virtual network card, and not on the general Internet.  Type Route alone for more information on the route command.  Here is a somewhat edited session where I add the route, and then use the Route PRINT command to check that the route was added.

C:\Windows\system32>route -p -4 ADD 224.0.0.0 mask 240.0.0.0 192.168.238.238
 OK!

C:\Windows\system32>route PRINT
===========================================================================
Interface List
 12 ...00 18 bd 5a 11 ba ...... DVB Net ETAdapter
  9 ...00 11 d8 5c 44 ed ...... Marvell Yukon 88E8001/8003/8010 PCI Gigabit Ethernet Controller
.
===========================================================================

IPv4 Route Table
===========================================================================
Active Routes:
Network Destination        Netmask          Gateway       Interface  Metric
.
        224.0.0.0        240.0.0.0         On-link   192.168.238.238     21
.
===========================================================================
Persistent Routes:
  Network Address          Netmask  Gateway Address  Metric
          0.0.0.0          0.0.0.0     192.168.0.10  Default
        224.0.0.0        240.0.0.0  192.168.238.238       1
===========================================================================
.

C:\Windows\system32>

 

 
Copyright © David Taylor, Edinburgh Last modified: 2007 Dec 23 at 15:16