Subj : Re: Alternative solution - was [Re: Manually setting a STATIC IP in
To   : All
From : rowlett@cloud85.net
Date : Fri Jan 18 2019 10:56 am

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Subject: Re: Alternative solution - was [Re: Manually setting a STATIC IP in
 WinXPPro]
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From: Richard Owlett <rowlett@cloud85.net>
Date: Wed, 18 Jan 2017 10:56:17 -0600
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microsoft.public.windowsxp.help_and_support:31892

On 1/18/2017 9:23 AM, R.Wieser wrote:
> Richard,
>
>> The minimal network was being pursued as it was a close as
>> I *HAD THOUGHT* I could come to a "null modem cable".
>
> Thats the "cross over" cable I mentioned* :-)
>
> *although a null-modem cable normally includes cross-over, it does need to.

*NO*
A "cross over" cable connects two Ethernet ports.
https://en.wikipedia.org/wiki/Medium-dependent_interface#Auto_MDI-X

A "null-modem" connects two DTE or two DCE together.
https://en.wikipedia.org/wiki/Data_circuit-terminating_equipment
https://en.wikipedia.org/wiki/Data_terminal_equipment
https://en.wikipedia.org/wiki/Null_modem

IOW connect COM ports of two computers to each other.

P.S. I've been using null modems for >50 years ;}
Ethernet is only ~30 years old.
https://en.wikipedia.org/wiki/Ethernet



>
> But its still a good idea to first connect to a known-to-be-good device (the
> modem or smart switch (or anything else with a web-accessible setup) I
> mentioned) so that you can see your fixed IP actually works (on both
> 'puters), _before_ you try that cross-over cable (I'm not sure you realize,
> but now you've introduced a _third_ location that could give you troubles
> with setting up such a 'puter-to-'puter connection).
>
> Regards,
> Rudy Wieser
>
>
> -- Origional question.
> Richard Owlett <rowlett@cloud85.net> schreef in berichtnieuws
> LZydneiMicXqHOLFnZ2dnUU7-XnNnZ2d@supernews.com...
>> On 1/16/2017 7:47 AM, Richard Owlett wrote:
>>> I have two Lenovo laptops. One running WinXP Pro. The other runs
>>> Linux.
>>> I wish to create a minimal network. It will consist of only those
>>> two machines.
>>> Neither will have any internet connectivity.
>>>
>>> I've found a number of web references to setting static IP
>>> addresses on Windows machines.
>>> *HOWEVER* assume internet connectivity by one/both machines.
>>>
>>> Can anyone point me to any documentation EXPLICITLY covering my
>>> {admittedly} peculiar requirement.
>>>
>>> TIA
>>
>> The minimal network was being pursued as it was a close as I *HAD
>> THOUGHT* I could come to a "null modem cable".
>> A USB implementation is available -
>> http://www.mouser.com/ds/2/163/DS_USBNMC-5030.pdf .
>> I'll check local suppliers.
>> Will also continue pursuing the LAN solution for its educational
>> value.
>
>
>
--- Platinum Xpress/Win/WINServer v3.1
 * Origin: Prison Board BBS Mesquite Tx  //telnet.RDFIG.NET www. (1:124/5013)

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