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Need help with routing

Discussion in 'Networking Issues' started by Sartor52, Dec 26, 2005.

  1. Sartor52

    Sartor52 Guest

    Ok heres my OLD setup

    Primary comp -> router -> modem -> internet

    My comp -> hub -> router -> modem -> internet
    dads comp -> hub -> router -> modem -> internet

    dads comp2 -> router -> modem -> internet
    bros comp -> router -> modem -> internet

    and this setup worked 100% fine. Now we have family staying at our place and i was forced to rewire the network so I can have my comp in the basement. Now its:


    Primary comp -> router -> modem -> internet

    My comp -> hub -> router -> modem -> internet
    bros comp -> hub -> router -> modem -> internet

    dads comp2 -> router -> modem -> internet

    for some reason, after trying things for HOURS upon hours, this setup doesn't work. I've tried resetting all the devices, restarting, running network wizards, manually giving DNS and IP, more rewiring, messing around with settings, the whole works, and NOTHING seems to make it work.

    when I plug in a cable to my comp, it says aquiring network address, for like 2 minutes, then says theres limited or no activity. This is the SAME on my bros comp.

    Oddly enough, when I go into the network on my bros comp... it seems that me and him are still networked... odd.

    but anyways, can anyone give me any suggestions?


    EDIT: Alright, I just tried entering all my DNS/GATEWAY/IP info manually into the tcp/ip protocol in the network setup menu. I got interesting results. After i entered it, it said my network was connected... but I still couldn't get on the internet.

    THEN I disabled it, and enabled it and it said "Network cable is unplugged".

    SO, I just checked all the cables, and they are all fine and dandy, and correctly plugged in.

    Question: Should the uplink cable on the hub go to the uplink slot on the router? When i do that, i get less lights flashing on my hub. Right now its connected into slot "1" in the router.
     
  2. jgutz20

    jgutz20 Network Guru Member

    The uplink on the hub goes to a standard port on the router.

    When you specified addresses manually did you put the router in as the default gateway and DNS server? if not make sure you do.

    Also after you set the IP addresses try pinging the other computers on the local network (turn the firewalls off!)

    Verify you can get around your local network before trying to get outside, after that try pinging a site like google.com and see if it works and or ping an IP address.
     
  3. DBruceM2

    DBruceM2 Network Guru Member

    >>"Oddly enough, when I go into the network on my bros comp... it seems that me and him are still networked... odd. "

    This is normal. The reason for this is because each of you are now on a hub. Since a hub doesn't understand IP address, it doesn't care if you've obtained an IP from the router. A hub is a "hardware" layer device by nature and will communicate based on MAC addresses.
    I'm sure others could describe in more detail, but I'm sure you get the idea.
     
  4. DocLarge

    DocLarge Super Moderator Staff Member Member

    Let's start from the beginning:

    1) Disconnect all cables from the hub
    2) Reboot all devices
    3) Plug cable in the uplink port on the hub and run it to any of the open "LAN" ports on your router
    5) Start at the end of the hub "furthest away" from the port that has your uplink cable connected and begin plugging computers into the port
    NOTE: Some devices have the port next to the uplink port on the same circuit, so, that port "won't" work when the uplink port is engaged.
    6) Plug your computer in first and then test for connectivity (ping router, go out to an internet site, then do a tracert to that site); if you get "replies" back, obviously you're connected.
    7) Follow the same steps until you have "each" computer getting ping replies and tracert replies returned.

    Make sure that if you're in a workgroup configuration (which I'll assume), all computers are on the "same" ip/subnet scheme (i.e. 172.16.20.1 on the router and 172.16.20.2 through 172.16.20.254 for the devices with a subnet mask of 255.255.255.0).

    Make sure you disconnect firewalls and test that all computers can see each other before connecting to the internet (or not if you want privacy). After that, if you want the computers to share information, you'll have to add each computer into a "trusted zone" (computers that are allowed access to each other) based upon the firewall the machine is running (my personal favorite is Norton IS).

    Try that...

    Doc
     

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