Can't communicate with TCP/IP

Hello Everyone,
I try to connect three computers into a network with using 4 ports switch, CAT5 cabing and internal NIC. Those computers using Windows 2000 pro. And I assign the IP address and subnet mask to them and change the workgroup name. Finally I can see those computers with each other and sharing the resources. But the main problem is,I can't ping those computers, the message said " request time out" The main purpose I set up in a network is playing online game... and I try to unistall the TCP/IP and Install it again, but it still doesn't work, can you guys give me some suggestion for me? Thanks a lot
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More about communicate
  1. what ips and subnets did you assign.

    my computer is so fast, it completes an endless loop in less than 4 seconds!
  2. I choose a Class B address &
    Subnet mask is
  3. can each machine ping itself?

    <i>It's always the one thing you never suspected.</i>
  4. Tried pinging on each PC?

    <b><font color=blue>~ <A HREF="" target="_new">Nice sig 81.</A> ~<font color=blue></b> :wink:
  5. Yes, those computers can ping themself
    and I can't ping ...
  6. that makes no sense.

    <i>It's always the one thing you never suspected.</i>
  7. Uninstall and reinstall TCP/IP on all.

    <b><font color=blue>~ <A HREF="" target="_new">Nice sig 81.</A> ~<font color=blue></b> :wink:
  8. If you can't ping yourself, and you're using XP, then open a dos prompt and type "netsh int ip reset resetlog.txt". That'll reset tcp/ip.

    If you continue to be unable to ping yourself, try a 192.168.0.~ IP, and then your subnet will set to (I believe), which might work better.

    XP 2500+ Barton @ 2256Mhz
    A7N8X Dlx
    2x512MB Corsair PC3200
    MSI GF3Ti 500 @ 265/570
    16x DVD-ROM
    2x80GB 7200RPM Maxtor
    Onboard audio
    3DMark 2001 SE - 10528
  9. Do you have ZoneAlarm or BlackIce or some similar software firewall running? If so, turn it off and see if that makes a difference.

    Med venlig hilsen,
  10. are you pinging by IP or by machine name?
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