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Network wire problem please help

Discussion in 'Networking Issues' started by twoj1, Sep 19, 2006.

  1. twoj1

    twoj1 LI Guru Member

    Ok I have look at this problem time and time again and to this day I’m still pulling out my hair. Here is the set up I have router 1 is a D–link DI-604 and Router 2 is linksys WRT54G v6. Router 1 is connected to the modem port 4 connects to router 2’s port1 the network runs fine I have 1wired computer on router 1 and 2 wired on router 2 and some wireless.
    Now here is the problem!!! I made 4 LAN cables 2 on router 1 and 2 on router 2 cables on router 1 will not work with the computer that I am trying to connect but here is the kicker it works fine with another the same problem on the other side
    This is beyond me can somebody please help
  2. HennieM

    HennieM Network Guru Member

    Don't quite understand... Anyhow, sistematically swop cables between routers, between ports on the same router, and between computers, and write down your configurations tested. This way you will hopefully be able to figure out (i) if you screwed up the cables, (ii) if one of your routers (or some ports on a router) have not got auto sensing (I think the term is MDX/MDIX or something like that, which indicates if a certain port can figure out which of the 8 wires in the cable are for receiving and which for sending), or maybe (iii) some network cards are not functioning correctly.
  3. twoj1

    twoj1 LI Guru Member

    Heres map of the network (found problems so far) View attachment network map.zip
    All cat 5 cable check out ok and router(s)check out ok
    Now MDX/MDIX I don't know about this. How can I test this?
  4. HennieM

    HennieM Network Guru Member

  5. twoj1

    twoj1 LI Guru Member

    Sweet thanks for the link it was quite informative however I know now
    this in not the problem ether, because the computers on those cables
    do not get an IP Address have a link light and show connected 100mps just
    don’t connect with DHCP.
  6. HennieM

    HennieM Network Guru Member

    It seems more 'n more like your problem is software- and not hardware related. Perhaps try resetting the computers' TCP/IP settings to defaults.
  7. pablito

    pablito Network Guru Member

    Maybe a stupid question but is a DHCP server running? If the WRT is WAN connected to the router then DHCP on both. and of course the IP nets have to make sense.

    (a BMP? I haven't seen one of those in a long time) :)
  8. Tready145

    Tready145 LI Guru Member


    It is most likely the switch in the router. If they will run static and get a link light, but only a link light and no IP when DHCP is on, that is your answer. I used to pull my hair out on some of the cheap Dell Switches...
  9. twoj1

    twoj1 LI Guru Member

    I found the problem it was not the router it was the wire. one of the tx wires was bad. replaced the wire and fixed the problem thanks for all your help on the troble shooting

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