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Strange connectivity issue

Discussion in 'Windows XP' started by JohnB, Jul 6, 2010.

  1. JohnB

    JohnB Flightless Bird

    Windows XP SP3, Dell laptop. Cannot ping the default gateway, which is our
    router. Can ping any other computers on the subnet, either by hostname or
    IP. Other computers on the subnet can ping this laptop, either by IP or
    hostname.

    Cannot ping the laptop from the router.

    The laptop has built-in wireless. If I enable that, I can ping the router's
    IP address.

    I tried resetting TCPIP with this command:
    Netsh int ip reset
    Didn't help.

    Windows firewall is disabled.
    The computer does not appear to have any viruses.
    Nothing in Event Viewer.

    I'm stumped. Any ideas?


    Thanks.
     
  2. JohnB

    JohnB Flightless Bird

    I got it fixed.
    I changed to static IP, to a different address than what had been given from
    DHCP, and I could ping the gateway.

    I changed it back to DHCP and it didnt' work again. Changed it back to
    static, deleted the lease in DHCP for the address that it was giving out for
    this laptop, and re-enabled DHCP on the laptop, and it works.

    Don't know why the first address all of the sudden would not work. It is
    not in use by another machine.





    "JohnB" <jbrigan@yahoo.com> wrote in message
    news:%2368ZJ6RHLHA.4120@TK2MSFTNGP02.phx.gbl...
    > Windows XP SP3, Dell laptop. Cannot ping the default gateway, which is
    > our router. Can ping any other computers on the subnet, either by
    > hostname or IP. Other computers on the subnet can ping this laptop,
    > either by IP or hostname.
    >
    > Cannot ping the laptop from the router.
    >
    > The laptop has built-in wireless. If I enable that, I can ping the
    > router's IP address.
    >
    > I tried resetting TCPIP with this command:
    > Netsh int ip reset
    > Didn't help.
    >
    > Windows firewall is disabled.
    > The computer does not appear to have any viruses.
    > Nothing in Event Viewer.
    >
    > I'm stumped. Any ideas?
    >
    >
    > Thanks.
    >
    >
    >
    >
     
  3. Chuck

    Chuck Flightless Bird

    On 7/6/2010 12:43 PM, JohnB wrote:
    > I got it fixed.
    > I changed to static IP, to a different address than what had been given from
    > DHCP, and I could ping the gateway.
    >
    > I changed it back to DHCP and it didnt' work again. Changed it back to
    > static, deleted the lease in DHCP for the address that it was giving out for
    > this laptop, and re-enabled DHCP on the laptop, and it works.
    >
    > Don't know why the first address all of the sudden would not work. It is
    > not in use by another machine.
    >
    >
    >
    >
    >
    > "JohnB"<jbrigan@yahoo.com> wrote in message
    > news:%2368ZJ6RHLHA.4120@TK2MSFTNGP02.phx.gbl...
    >> Windows XP SP3, Dell laptop. Cannot ping the default gateway, which is
    >> our router. Can ping any other computers on the subnet, either by
    >> hostname or IP. Other computers on the subnet can ping this laptop,
    >> either by IP or hostname.
    >>
    >> Cannot ping the laptop from the router.
    >>
    >> The laptop has built-in wireless. If I enable that, I can ping the
    >> router's IP address.
    >>
    >> I tried resetting TCPIP with this command:
    >> Netsh int ip reset
    >> Didn't help.
    >>
    >> Windows firewall is disabled.
    >> The computer does not appear to have any viruses.
    >> Nothing in Event Viewer.
    >>
    >> I'm stumped. Any ideas?
    >>
    >>
    >> Thanks.
    >>
    >>
    >>
    >>

    >
    >

    A guess is that the laptop initially self assigned an address.
    Seems the router and the laptop have or had a timing issue.
    The problem is that some routers that worked perfectly well with XP
    don't with Vista, due to the time it takes for the router to get to a
    compatible protocol?

    I had a similar problem with an HP laptop at a Motel. seems that there
    were two hotel routers. One would connect if I went to the reception
    area. My room was located such that it was not the router that the
    laptop saw first. The second router (different model & make) would only
    work intermittently with the laptop.
     

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