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austin316

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Posts posted by austin316

  1. QUOTE (Mark Yedinak @ Feb 17 2009, 12:31 AM)

    You should be careful changing the IP address of your PC programmatically. Is you are not careful this can cause you lots of networking headaches. If you are on an isolated, controlled and self contained network you could do this. If you are running on a large network, such as your company's network, I recommend you contact your IT staff regarding your IP addressing needs. Network addresses are managed for a reason. The last thing you want to do is create duplicate addresses on a network.

    I am only doing it in my personal pc. So there won't be any problems. I am trying to eliminate the process of manually setting the IP. Any help in setting the IP programmatically would be appreciated. thank you.

  2. QUOTE (rolfk @ Feb 16 2009, 05:01 PM)

    If the host is using adressed UDP datagrams in contrast to broadcasts, only the adressee will receive the datagram. What destination address do you see in Wireshark?

    Note that Wireshark uses promiscious mode to receive any datagrams and TCP packets on the network interface. This is a mode that can not be used by a regular sockets as used by LabVIEW and just about any other network software but only by tapping directly into the card driver through a filter driver. In Wireshark they use the WinPcap driver for this.

    Rolf Kalbermatter

    Thanks for the reply. I manage to solve the said issue. I need to use UDP multicast open to solve the problem.

    Another issue, how do I programmatically set the computer IP(windows) using Labview. Thank you

  3. Hi

    I am trying to implement a way in which I am able to know the IP of the host from my PC(both are connected directly to one another via ethernet). My host is transmitting periodically its info such as MAC n IP address. The destination port is 11000(I guess that this is the client(PC)). However, when I tried receiving data from my PC in this port using the UDP receiver example provided in LV 8.6, I don't get anything(It is blank all the time). Changing the time to -1 doesn't helps either. I am pretty sure that the host is using UDP to transmit its data because I am able to capture the datagrams in a program called Wireshark, Network protocol analyzer. Please help. I struck with this problem for a few days.

    Thank you.

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