Troubleshooting Invalid IP Configuration


  1. Posts : 2
    Windows 7 Professional 64-bit
       #1

    Troubleshooting Invalid IP Configuration


    Hello,

    I recently built two PCs. The master uses an ASUS p9x79 Deluxe mobo; the slave uses an ASUS p9x79 mobo. Both have an Intel 82579V Gigabit LAN Controller. I connected the two with a crossover cable and was able to share data via Remote Desktop, but I was unable to identify the "unidentified network". I have tried changing the network location to both a work location and a home location, but neither attempt successfully allowed me to properly identify the network (i.e. change the name, change the icon, etc.) Then, I had a so-called IT specialist come over. He scratched his head for an hour and couldn't figure out the problem either. He suggested that I buy a switch, which I did. I bought a Cisco five-port Gigabit switch. Each computer connects to the switch with a CAT 6 patch cable. Unfortunately, this did not resolve the issue. I am only trying to connect these two PCs to each other; not to the internet, and not to anything else. When I use the Win7 troubleshooter it has informed me that there is an "invalid IP configuration". An automatic IP assignment as well as a static IP assignment has yielded the same result (i.e. an "unidentified network") The static IP addresses that I used are as follows: Master = 192.168.5.10; Slave = 192.168.5.11; both have a subnet of 255.255.255.0. The firewall has been turned off on both computers, and I do not have the Bonjour software installed. Could it have to do with the slave computers certification? The slave computer has never been connected to the internet. I appreciate the help of this forum and look forward to learning more about the subject of networking.

    Thanks
      My Computer


  2. Posts : 10,485
    W7 Pro SP1 64bit
       #2

    Welcome to the Seven Forums.

    Since no one has answered your post - I'll take a stable at it.

    It seems that W7 wants to see (communicate with) a gateway IP address. I've not actually tried this (hence my hesitation to post in your thread) but you can try this:

    Master = 192.168.5.10 and a gateway of 192.168.5.11

    Slave = 192.168.5.11 and a gateway of 192.168.5.10

    That might let you change some of the things you want to change - or maybe not.
      My Computer


  3. Posts : 8,870
    Windows 7 Ult, Windows 8.1 Pro,
       #3

    Why purchase a switch when you could have purchased a router and eliminated all problems.

    ICS is not a reliable network set up and has many drawbacks.
      My Computer


  4. Posts : 2
    Windows 7 Professional 64-bit
    Thread Starter
       #4

    Thank you for your advice. I have an interesting update. I configured my static IP address according to UsernameIssues suggestion and my problem was solved. Both computers shared the same identified network! I then checked to see if the connection would remain identified after I shutdown and rebooted. Unfortunately the problem returned, but this time the master computer had an identified network and the slave computer had an unidentified network; the converse of my previous situation. After leaving my HomeGroup, disabling my network adapters, and unplugging my ethernet cables, I then rebooted, enabled the network adapters, and plugged in my ethernet cables. This fixed the issue, but once again failed the shutdown/reboot test. Any insight would be appreciated.
      My Computer


  5. Posts : 10,485
    W7 Pro SP1 64bit
       #5

    Get a router - then there will be a gateway IP when each computer starts.
      My Computer


 

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