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Date:      Mon, 12 Oct 2009 16:06:39 -0700
From:      security <security@jim-liesl.org>
To:        Julian Elischer <julian@elischer.org>
Cc:        freebsd-net@freebsd.org, Doug Barton <dougb@FreeBSD.org>
Subject:   Re: Wacky DHCP values that work in windows but not in FreeBSD
Message-ID:  <4AD3B67F.4070906@jim-liesl.org>
In-Reply-To: <4AD3B4E3.2090406@elischer.org>
References:  <4AD3ABD0.7010603@FreeBSD.org> <4AD3B4E3.2090406@elischer.org>

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Julian Elischer wrote:
> Doug Barton wrote:
>> Howdy,
>>
>> I usually have a wireless router connected directly to the AT&T/Yahoo
>> DSL modem but last night I wanted to do some debugging so I plugged my
>> laptop directly into the modem (after powering off the modem, etc.).
>>
>> The values I got back from DHCP not only don't make sense, they didn't
>> work in FreeBSD at all. Dual-booting to Windows showed that the values
>> I saw from DHCP were "correct," and somehow they managed to work.
>> Taking a closer look at the router after I plugged it back in showed
>> the same.
>>
>>         Dhcp Enabled. . . . . . . . . . . : Yes
>>         Autoconfiguration Enabled . . . . : Yes
>>         IP Address. . . . . . . . . . . . : 76.212.147.xxx
>>         Subnet Mask . . . . . . . . . . . : 255.255.0.0
>>         Default Gateway . . . . . . . . . : 151.164.184.xxx
>
> huh?
>
> only way this could work would be if it was marked as "point to point"
> I think..
>
>>         DHCP Server . . . . . . . . . . . : 192.168.1.xxx
>>         DNS Servers . . . . . . . . . . . : 192.168.1.xxx
>>
>> Can anyone tell me how they managed to get this to work in Windows,
>> and suggest where to look to get it working in FreeBSD?
>>
>>
>> Doug
>>
ATT uses PPPoE on their modems.  Did your router have any special PPPoE
settings?

jim




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