Fixed: Unable to create generic Ethernet NIO Gns3 Cloud issue on Windows 7 or 8.1

Cloud NIC adapter is not working on GNS3:

Gns3 Shows this error when you try to connect router to gns3-Cloud. Cloud node is used for connecting Physical, Microsoft loopback or virtual interface to gns3. Currently there is not exact description for this error message but normally this is happen when your NIC is not initialized correctly.  

How to resolved  ” Unable to create generic Ethernet NIO”:



Complete error message: Server error [-3200] from 127.0.0.1:8000: SW1: unable to create generic ethernet NIO
OS= windows 7 32bits (Same was reported on 64 bits windows 7 & 8.1)

You can resolved or troubleshoot this error very easily in GNS3 by following the given steps. It may possible that you issue may get resolved by trying first step and you need not to go further in troubleshooting. Here are the steps for resolving this problem in gns3.
1.    Disabled and Enable the network connection associated with gns3-cloud. For this type “ncpa.cpl” in run, this will show you all NIC setting. Right click on your required one & then Disabled and Enable.
2.       Turn off the windows Firewall and check it again in GNS3.
3.       Reboot your computer. (In most cases restart works for this issue)
4.       If after the reboot you still have the same issue then check out your antivirus setting. Temporary disable your AV and check GNS3 again.

If you still have the same issue even after trying above step then please share your experience in comments. Thank you..!

17 comments:

  1. AnonymousNovember 25, 2015 at 12:51 AM

    Thank you for help.

    ReplyDelete
  2. UnknownDecember 20, 2015 at 4:26 AM

    restarting PC worked for me ..
    Thanks !!!!!!

    ReplyDelete
  3. UnknownDecember 20, 2015 at 4:26 AM

    Restarting PC worked for me
    Thanks !!!!!!

    ReplyDelete
  4. v@run.Pr@veenMarch 2, 2016 at 7:37 PM

    OS=Windows 10 not working for me.
    I tried to disable and then enable. Also, I disabled the windows firewall.

    ReplyDelete
  5. UnknownMarch 11, 2016 at 5:42 PM

    Disabled and Enable the network connection associated with gns3-cloud worked for me - Many Thanks for your help.

    Regards
    Ahmed younis

    ReplyDelete
  6. AnonymousMarch 28, 2016 at 3:03 PM

    It works after rebooting down my computer, Thank you (y)

    ReplyDelete
  7. UnknownFebruary 5, 2017 at 1:30 AM

    it does not work with me at all. I have done all above steps nothengh change

    ReplyDelete
  8. UnknownFebruary 10, 2017 at 12:21 AM

    hi I have installed GNS3 1.5.3 and configured switch "vIOS-L2.vmdk" in QUMU when I try to connect my Host with switch following message appears
    " Server error from http://127.0.0.1:3080: L2Switch-1: NIO of type nio_generic_ethernet is not supported" I have tried all methods mentioned above , please help

    ReplyDelete
    Replies
    1. UnknownAugust 17, 2017 at 7:52 PM

      I face the same issue have you got the solution please share

      Delete
  9. UnknownFebruary 10, 2017 at 12:46 AM

    hi I have installed GNS3 1.3.5 and Vios-L2.vmdk on my Windows 7 SP-1 .vmdk work fine, but when I connect host with switch it give following message "Server error [-3200] from 127.0.0.1:8000: SW1: unable to create generic ethernet NIO" , please help me , I have tried all above method but no success yet

    ReplyDelete
  10. UnknownMarch 8, 2017 at 9:36 PM

    Thanks alot. The restart/reboot worked for me

    ReplyDelete
  11. IT_Networking BlogJune 13, 2017 at 11:03 AM

    Server error from http://127.0.0.1:8000: R2: unable to create generic ethernet NIO
    here is missing [-3200]
    how can i solve this problem

    ReplyDelete
  12. Used PC SupplierAugust 23, 2017 at 11:48 AM

    Nice Blog Post !

    ReplyDelete
  13. UnknownOctober 15, 2017 at 5:02 PM

    The restart/reboot option works! Thanks!

    ReplyDelete
  14. alesarsMay 14, 2018 at 8:53 AM

    thx mana for the info, my topolgy work after i using step 1, step2 and step3

    ReplyDelete
  15. Vishal SharmaJanuary 19, 2019 at 5:58 AM

    you are rock

    ReplyDelete

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