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Why does my address go to 0.0.0.0

Posted on 2006-11-14
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There have been a few times that I have been on my computer connected to the Internet with no problem.  When I turn my system off and turn it on later it will lose its connection.  It doesn't happen every time.  But it has happened a few times.  I have went to run and typed ipconfig/all and it had 0.0.0.0 for the IP address and default gateway.  It didn't have an address for the DNS address.  My Internet connection is a DSL modem.  And the computer is connected to a switch then to the DSL modem.  I have another computer that hasn't had any problem like this.  It is hooked up through the switch also.  On the one with the problem I just had to manually configure it with a 192.168.1.105 address.  And the default gateway 192.168.1.1 for my switch.  The first couple of times I went ahead and used the primary and secondary DNS for my service.  It then worked.  The third time I typed in 192.168.0.1 for my DNS.  This was my address for my DSL modem.  And that worked also.  I just don't know what is causing this problem.  When I went into properties for the TCP/IP I did have the automatic on the address and DNS set.  I just got this problem a few times.  What could be causing it.  And what can I do to fix this from happening.  And just keep my connections for TCP/IP set as automatic.
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Question by:William Richardson
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bbrunning earned 80 total points
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If you are getting a 0.0.0.0 address automatically then your NIC is probably going bad. Replace the network card and see if it still happens. There is no way it's getting that address from the modem when the other client works fine automatically.
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by:papimichel
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Hi, as said before, probably a hardware failure - NIC, Connecting wires, switch port or entire switch etc.
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by:paradoxengine
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0.0.0.0 is the IP the nic autoassigns itself when it's waiting for an IP from a DHCP server, like the one in your DSL router. It could be an hardware failure, or not. Is the DSL modem powered on when the PC boots up with the 0.0.0.0 ip?
What does it happens if you do an ipconfig /renew_all (or /renew all, i can't remember the right syntax right now) =
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by:William Richardson
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The DSL modem is on all the time.  And I have tried the ipconfig/renew before.  It didn't work either.
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by:paradoxengine
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BUT if you configure it with static IP it will run correctly? Sound like a software problem to me.
What kind of firewall have you got there? Is there any "fil rouge" between failures?
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by:bbrunning
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If you have winXP, reboot the system in safe mode with networking

If the same thing happens it's not software, it's a bad NIC
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by:William Richardson
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I haven't bought a new NIC yet.  However, I do have a second switch.  I was having this same problem with both.
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