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Unable to Ping outside local network but internet working fine. RRS feed

  • Question

  • Hello everybody,

    I am having a very strange problem with all my PCs. When i connect to my office network i am able to connect to the internet and PING too, but after few minutes ping stops getting replies (4.2.2.2,8.8.8.8 or Google or whatever) and i can still use internet, after few seconds i again start getting replies. There is no issue when pinging local router (192.168.1.1), only outside replies stop.

    i have tried:

    1)scanning my PCs for Virus

    2)connecting to another ISP (in same office but different local router)

    3)re-installing network drivers

    4)renewing HOSTS file.

    But nothing worked.

    Same is happening at my another office, hundreds of miles away and having another ISP. 

    Also, if i am getting repies from outside and i start WINMTR, ping suddenly stops and show loss in WINMTR too.

    i tried to test it over a 3G USB Stick and there was no such issues, it was all fine with 3G USB stick. 

    I am really frustrated due to it.

    Any help and suggestions will be highly appreciated. Thank you.   

    Saturday, May 17, 2014 10:49 AM