Computer Wont release ip

Wade Smart wadesmart at
Sat Jan 2 23:56:19 UTC 2010

Rashkae wrote:
> Wade Smart wrote:
>> A friend of mine called and said his computer wont release the IP 
>> address. A little window keeps popping up saying IP conflict. I think he 
>> has a old 98 machine (I know.. he needs off but.....). After releasing 
>> and renewing, rebooting, just turning the thing off for a day or two, he 
>> said it just keeps getting the same ip address again.
>> He called the ISP and they confirmed that the IP was assigned to another 
>> clients a few days back.
>> I gave him my 9.10 cd and told him to use it for a day or two. 
>> Everything worked fine in the first 5 or so hours and then he lost 
>> internet connection again. I had him check the IP and its the same one 
>> again.
>> Ok, a older 98 machine is trouble waiting to happen but, a new OS 
>> (running off cd I should add) shouldnt pickup the same ip.
>> I would appreciate a little trouble shooting help.
>> Wade
> I think the ISP is screwing up big time... They assigned the IP address
> to another client, but it's still getting picked in Dynamic pool.  Most
> DHCP servers keep a cache of NIC hardware address (sorry, brain failed
> and I don't remember what they are properly called) and will re-assign
> the same IP address to the same NIC, no matter how many times the client
> OS "releases" the IP.  The easiest way to deal with this will probably
> be to use a different NIC, and hopefully making it someone else's
> problem whatever the misconfiguration is.

Ok. This is what I was thinking too. Im going down to check out the ISP 
tomorrow. ... Opps.. Monday. :D


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