[gentoo-user] HELP! Network status changes randomly, how to diagnose?

[Erik <sigra@home.se>]

I am trying to connect my Gentoo computer to my D-Link DVG-1120 (VoIP
Gateway with NAT) again after 3 months. It used to work great, but now
the network status is changing randomly. Sometimes I can load a webpage,
but then when I click on a link I get an error message. Then it may
suddenly work again. The Internet connection to the gateway works fine
and I can make phonecalls with the phones that are connected to it. It
is the link to the computer that is broken. The computer works when
connected directly to the internet and the cable works perfectly too
(tested elsewhere). I see that it is changing randomly by executing the
command
    ifconfig eth0|grep "inet addr:"
repeateldy. Sometimes I get nothing, sometimes I get:
          inet addr:192.168.0.46  Bcast:192.168.0.255  Mask:255.255.255.0
It looks random. What can I do about it? Is there some software for
analyzing it?



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