Re: Network problem

From: Paul Howarth (paul_at_city-fan.org)
Date: 02/23/05

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    To: For users of Fedora Core releases <fedora-list@redhat.com>
Date: Wed, 23 Feb 2005 07:58:45 +0000

    On Wed, 2005-02-23 at 02:11 +0100, Mats Erlandson wrote:
    > What is so strange, is that the computer can talk to all local addresses
    > except the switch (192.168.0.1) and two other computers on the local
    > network can talk to it, all obviously through the switch both ways.
    > This shows that the cabling is OK, and that the problem is probably in
    > the routing on the computer (not allowing it to connect directly to the
    > switch) or in the switch, not accepting communication from the
    > computer. The switch routes properly for the other computers on the
    > network and can be managed from either one (tested) but not from the
    > problem child. If I change the configuration on the computer to use
    > DHCP (and rebooting) the computer does not get (receive/accept) the DHCP
    > configuration and is thus 'dead', i.e. no communication to nor from any
    > computer. Therefore, until the communication to/from the switch is OK I
    > am using a static address. To eliminate hardware faults possible in the
    > ethernet port on the motherboard (eth0) I installed a network card,
    > tested to perform OK in another computer, and disabled the motherboard
    > port using the BIOS. With only an expansion ethernet card active in the
    > computer I made the same tests with the same results. This seems to
    > eliminate network card problem in the computer. My current setup is, as
    > per the first paragraph above, motherboard ethernet port only with
    > static address. Still no joy. I am at a loss.

    Desperate times call for desperate measures. Have you tried a different
    cable and a different switch port?

    Paul. 

    -- 
Paul Howarth <paul@city-fan.org>
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