Re: Wireless: an Infrastruture and an Ad-Hoc network how to assign IP addresses?

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On Mon, 11 Apr 2005 12:23:55 -0400, "J" <Jesse@xxxxxxxxxxxxxxxxxxxxxx> wrote:

>Monday 12:05pm
>
>I thank you all for you responses.
>
>It is apparent to me that I have not clearly described my intentions.
>
>
>The Hot-Spot consists of:
> Access point/bridge: Linksys wet11 Airlink
> Router: BEFsr11 one port router
> Wireless Internet Modem
>
>This is a public internet access point. It is wide open.
>
>It is located in a restaurant on the first floor of our building.
>
>One of our computers is located above the restaurant..
>One is located in the storefront next to the restaurant.
>
>Both of our computers use this hot-spot for fast internet access .
>
>This is fine.
>
>(We also have a dial-up account configured on both computers.)
>
>-----------------------------------------------------------
>Since this connection is un-encrypted, I want to have an ALTERNATE network available to use for file transfers between the
>computers. I want this connection to be encrypted, requiring passwords.
>
>I am new to wireless connections. So, when I am provided with the possibility of multiple networks, and a choice of Infrastructure,
>and Ad-Hoc types of networks, I figger I can set up a 2nd network connection to accomplish the protected file transfers.
>
>I do NOT expect these 2 network connections to be available simultaneously.
>That is, I understand the internet connection will NOT be available when using the Ad-Hoc network.
>
>----------------------------------------------------------
>
>I am getting the feeling the technology is not yet available to quickly change between a network that uses a static address and one
>that uses a dynamic IP address.
>
>---------------------------------------------------------

Changing between dynamic and static addressing is quite easily done - I script
it using .cmd files, as I have one computer that I move from my LAN (dynamic
address) to a direct connection to my router (static address), so I can
reprogram the router easily.

Change to Dynamic:
netsh int ip set addr local dhcp
ipconfig /release
ipconfig /renew
ipconfig /all

Change to Static (some values have been munged to protect the innocent):
ipconfig /release
netsh int ip set address "Local Area Connection" static nnn.nnn.0.7
255.255.255.0 nnn.nnn.0.1 1
ipconfig /all

I still think you are trying to configure your network in a way that doesn't
make sense. Ad-hoc networks were designed to allow any number of wireless
devices to interconnect, casually, without using a central device (router or
WAP). The key word here is interconnect, that is, if you interconnect your two
computers, do you need also to connect to the outside world?

If you want to connect your two computers, allow safe, discrete file sharing
between the two, and also get internet feed from the outside, get a router. You
can get one for $40 or so. You can setup two separate network configurations,
and switch between them, if you wish. But what do you gain?

You can play with running .cmd files, as above. Or try these commercial
products, which may also be scriptable:

Mobile Net Switch
http://www.mobilenetswitch.com

MultiNetwork Manager
http://www.globesoft.com/mnm_home.html

NetSwitcher
http://www.netswitcher.com

But, in my professional opinion, you would be much better off just getting a
router.

--
Cheers,
Chuck
Paranoia comes from experience - and is not necessarily a bad thing.
My email is AT DOT
actual address pchuck sonic net.
.



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