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Old 07-21-2006, 09:27 AM
phil-news-nospam@ipal.net
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Default Re: Turn router into WAP

On 20 Jul 2006 16:15:36 -0700 ihatecrappymail@yahoo.com <ihatecrappymail@yahoo.com> wrote:

| Yes, I know that. Both the router and the computer trying to connect
| are on the same subnet (255.255.255.0). I left the router as a dhcp
| server and told it to use the ranges of 10.1.1.2-10.1.1.20.

Just "255.255.255.0" alone does not define a subnet. If the router is
on 10.1.1.1 then the computer connecting to it needs to be on one of
the IPs between 10.1.1.2 and 10.1.1.254 for them to find each other's
MAC address. The 255.255.255.0 is effectively just a statement of the
size of the subnet expressed in terms of the bit masked used to isolate
the network part of the whole address, converted to dotted decimal.

I do stuff like this in Linux by giving my ethernet interfaces many
different IP addresses so they can reach a variety of different subnet
numbers I play around with in many ranges.

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|---------------------------------------/----------------------------------|
| Phil Howard KA9WGN (ka9wgn.ham.org) / Do not send to the address below |
| first name lower case at ipal.net / spamtrap-2006-07-21-0322@ipal.net |
|------------------------------------/-------------------------------------|

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  #2 (permalink)  
Old 07-21-2006, 06:06 PM
John Navas
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Default Re: Turn router into WAP

On Fri, 21 Jul 2006 18:00:05 +0100, Mark McIntyre
<markmcintyre@spamcop.net> wrote in
<uu12c2tr2j7oc8odleveh004o7idllmfvl@4ax.com>:

>On 21 Jul 2006 08:27:57 GMT, in alt.internet.wireless ,
>phil-news-nospam@ipal.net wrote:
>
>>On 20 Jul 2006 16:15:36 -0700 ihatecrappymail@yahoo.com <ihatecrappymail@yahoo.com> wrote:
>>
>>| Yes, I know that. Both the router and the computer trying to connect
>>| are on the same subnet (255.255.255.0). I left the router as a dhcp
>>| server and told it to use the ranges of 10.1.1.2-10.1.1.20.
>>
>>Just "255.255.255.0" alone does not define a subnet. If the router is
>>on 10.1.1.1 then the computer connecting to it needs to be on one of
>>the IPs between 10.1.1.2 and 10.1.1.254 for them to find each other's
>>MAC address. The 255.255.255.0 is effectively just a statement of the
>>size of the subnet expressed in terms of the bit masked used to isolate
>>the network part of the whole address, converted to dotted decimal.

>
>This is all true, but the OP left DHCP on, so the computer would have
>broadcast a request for an address, and got given one inthe same
>subnet as the router.


If and only if the router is configured properly, which might well not
be true, and which is why I asked for the IPCONFIG /ALL

--
Best regards, FAQ for Wireless Internet: <http://Wireless.wikia.com>
John Navas FAQ for Wi-Fi: <http://wireless.wikia.com/wiki/Wi-Fi>
Wi-Fi How To: <http://wireless.wikia.com/wiki/Wi-Fi_How_To>
Fixes to Wi-Fi Problems: <http://wireless.wikia.com/wiki/Wi-Fi_Fixes>

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