Manual IP configuration?

Discussion in 'Networking' started by imported_John, Apr 17, 2003.

  1. imported_John

    imported_John Member

    Hi there,

    right now, it looks like LD/ST is sending a broadcast at port 9021 to detect running LD2000_Network.exe in the network.
    Is it possible to tell LD/ST at which IP to look by default before doing the broadcast scan? We got a router in the network that does not pass the broadcast!

    Best regards

    John

    [ April 16, 2003, 09:59 PM: Message edited by: John ]
     
  2. Pangolin

    Pangolin Staff Member

    Hi John,

    Boy, you are just too smart sometimes <grin>...

    Yes, you are right, the host system (either LD or Showtime, or any other program that uses the LD2000.DLL) does send out a broadcast as a means of finding all of the remote systems and all of the remote QM2000 boards. Port 9021 is one of Pangolin's registered (and certified) port numbers.

    We do this broadcast method to completely automate the network setup. One of our goals was to make networking easy and transparent. Clients who have used our networking system and competitor's systems tell us that they really hated the drudgery of noting and manually configuring IP numbers and such, and they love our system because it is completely automatic and transparent.

    Our networking scheme is quite effective in automating the network setup process, but it does not currently allow for manual configuration. Actually the broadcast that we send out does more than just allow us to find the networked QM2000 boards. It also does some initial configuration as well. Even if we allowed manual IP configuration, we we really could not do without the broadcast.

    Contrary to popular belief, broadcast messages can be sent through a router, but you have to configure the router to allow them.

    The only down-side to our networking scheme is that it won't work on the internet. BUT!! The amount of trafic that we send won't really work over the internet anyway. We felt that the compromise of not being able to use the LD2000 network over the internet was worth the benefits in terms of ease of use.

    Technically speaking, the networking system used in LD2000 is the same one we had been using in our older LD/QM32 system since 1997. So far, we have not had any clients report problems due to the broadcast message. But if a client comes to us with a problem, we will certainly examine it and work toward a solution, just as we always do...

    Best regards,

    William Benner
    Pangolin Laser Systems
     
  3. Pangolin

    Pangolin Staff Member

    Hi John,

    Good point. And great tip about turning off the "save frames reminder".

    In case there are those of you who don't know, Pangolin is a very user-oriented company. When we get feedback from the users, we work to improve the system based on that feedback. The more feedback, the better!!

    Best regards,

    William Benner
     
  4. imported_John

    imported_John Member

    Hi Bill,

    > broadcast messages can be sent through a router, but you have to configure the router to allow them.

    That is exactly what we did after detecting the broadcast. Question was only to make sure that this is necessary and that there is no LD2000.ini key to fix default IP. Perhaps this question will come up later, when more users find out that it is really cool to use network instead of 100m Sub-D cables...

    Best regards

    John

    PS: You can speed up (network) frame file loading process if you tur off the "Save Frames Reminder"
     
  5. Pangolin

    Pangolin Staff Member

    Just wanted to let everyone know that as of version 3.50, it is possible to perform manual configuration of IP addresses along the lines of what John Shaw was discussing above.

    The networking system in 3.50 is actually completely different from any past version. The user interface is similar, but under the hood, it is completely different...

    Bill
     
  6. Hektek

    Hektek Beta Tester

    Can you describe how to manually configure the IP address for the .NET?
     
  7. Pangolin

    Pangolin Staff Member

    In Windows Explorer, go to LD2000\Network folder. There you will find a program called QM2000NET_Config.exe. Just run the program and the rest is self-explanatory.

    Best regards,

    William Benner
     

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