LAN IP Address Oddity

John Moniz john.moniz-rieW9WUcm8FFJ04o6PK0Fg at public.gmane.org
Wed May 29 15:48:35 UTC 2013


On 05/29/2013 10:01 AM, Scott Sullivan wrote:
> On 05/28/2013 10:27 PM, John Moniz wrote:
>> On 05/28/2013 09:24 PM, James Knott wrote:
>>> John Moniz wrote:
>>>> It is the same address as for the router.
>>>
>>> That's something that shouldn't happen.  Did you by any chance set the
>>> router MAC to the same as the computer?  DHCP servers assign an IP
>>> address to a MAC address and has no idea what device it actually is.
>>> Next question is how Bell's DHCP server managed to see the computer,
>>> when it's behind a NAT firewall.
>>
>> I haven't changed the router MAC, but can't locate it with the browser
>> to prove it. The MAC stencilled on the unit is certainly different than
>> the PC MAC.
>>
>> The eth0 IP address on the PC is the same as the router, definitely
>> ignoring the DHCP range specified.
>>
>> John.
>
> Do you have any DMZ functionality enabled?
>
Right on Scott! The router shows a DMZ device status for the PC in 
question. Not only that, it has firewall disabled. I'm pretty sure that 
isn't the way I set it up. That doesn't look comforting.

Now I have to figure out how to change it. Then my dlna might work.

Thanks again.

John.
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