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Internet site address lookup problem

Discussion in 'Networking' started by SylAkir, Oct 1, 2014.

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  1. SylAkir

    SylAkir Thread Starter

    Aug 3, 2014
    Background info:
    EPC3298AD CISCO modem with a 180MB/S package
    4 Ethernet cabels are connected, of which 1 goes towards a splitter. (total of 5 ethernet connections)
    All ethernet cables are full duplex.
    Multiple people on the network have this problem.
    I tried changing DNS to google's public DNS to no avail.

    The problem:
    Sometimes websites refuse to load, they spend 20 seconds trying to load and give a "Cannot connect to the internet" error OR only the site's text loads (without HTM,L CSS, etc.).
    This problem usually stays for about 2-3minutes, after which it goes away.
    During this "problem", the internet connection is stable, and websites that are open work properly (Buffering a video, streaming a video etc. all work properly, clicking a link and therefore getting directed to another part of the site doesn't work however).

    This problem suddenly started occuring about a month ago, for no apparant reason.
    It happens at random, but usually at least 5-10 times a hour.

    Internet provider solution:
    The internet provider say's this problem happens because of Half-duplex devices being attached.
    The internet has been perfect until a month ago, and no new devices were connected at that time..... so I really doubt that's the problem.

    Does anyone have ANY idea what is wrong?
  2. DaveA

    DaveA Trusted Advisor Spam Fighter

    Nov 16, 1999
    First Name:
    What is this "Splitter' that you have in one line?
    Does the system work OK if you remove the splitter?

    The ISP may have done some updates and no longer support the "Half-duplex" devices.
  3. SylAkir

    SylAkir Thread Starter

    Aug 3, 2014
    The splitter was used since we have 5 users instead of 4 since 2 weeks ago, the modem has 4 jacks so we used a splitter to change to get more slots.

    The problem started a month ago so the splitter shouldn't be the cause, according to our ISP they have done no updates on the firmware.
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