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Trouble shooting internet connectivity

Discussion in 'Storage and Networking' started by nettech667, Oct 1, 2007.

  1. nettech667 Newcomer, in training

    Just a hypothetical question with regards to troubleshooting internet connectivity.

    Considering all but one computer in a network are able to access the internet. Is it possible for the faulty computer to be able to successfully ping the network's default gateway and still NOT be able to access the internet??

    Is it even possible. I think, no. what do you guys think?
  2. Ididmyc600 TechSpot Chancellor Posts: 2,251

    Hi

    Yes it is possible, especially if the TCP/IP stack is faulty or the winsock is corrupted, some adaware.malware can cause this to happen.

    Regards
  3. jobeard TS Ambassador Posts: 12,219   +120

    define 'access the internet'. If you can ping a remote computer which is not on your lan,
    then in reality you just did access the internet. Typically, 'access the internet' ends up
    meaning the browser will not display website pages.

    Accessing websites requires two 'accesses to the internet'; (1) a dns request
    to translate the URL domain into an ip address and (2) a socket connection to
    to ip address followed by GET / request. The ususal failure occurs on (1) with
    a timeout reply instead of an ip address reply.

    Using ipconfig /all wil show you the configured DNS address on your
    system
    and with NSLOOKUP www.google.com (or any other domain name) will
    demonstrate that your current internet connection can translate the URL to
    an IP address or not :)