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Date:      Fri, 15 Jul 2005 11:38:07 +0100
From:      Alex Zbyslaw <xfb52@dial.pipex.com>
To:        Bob Hall <rjhjr@cox.net>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: DHCP assigned unregistered IP address
Message-ID:  <42D7920F.8050701@dial.pipex.com>
In-Reply-To: <20050714175631.GA4985@kongemord.krig.net>
References:  <20050714044924.GA2716@kongemord.krig.net> <20050714175631.GA4985@kongemord.krig.net>

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Bob Hall wrote:

>1) It is a Motorola cable modem. (SB5100)
>  
>

>The modem web page contained this:
>	The SURFboard cable modem can be used as a gateway to the
>	Internet by a maximum of 32 users on a Local Area Network (LAN).
>	When the Cable Modem is disconnected from the Internet, users on
>	the LAN can be dynamically assigned IP Addresses by the Cable
>  
>
On the SB4100, the "Enable DHCP" checkbox is right above this blurb.

However, note the "When the Cable Modem is disconnected from the 
Internet..." so the only reason it should be handing you the local IP is 
if it cannot talk back to the DHCP server it gets your real IP from.  If 
it happens again, you might want to talk to your provider to find out 
*why*.  Does this thing have any flashing lights on the front?

--Alex




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