[PLUG] Needed: Modern equivalent of a "null-modem cable"

[Michael Barnes]

Actually, there is no need to set up default gateway or DNS. Leaving them
at the default of 0.0.0.0 is just fine for this application.

Michael


On Sun, Jan 15, 2017 at 4:20 PM, Jim Garrison <jhg at jhmg.net> wrote:

> On 1/15/2017 4:05 PM, Richard Owlett wrote:
> > *NOTE BENE*
> > *progress* ist ephemeral ;/
> >
> > I *EXPLICITLY* wish to replicate the functionality of a RS232
> > 'null modem'.
> > It has already been *ESTABLISHED* that a standard (not crossover)
> > Cat6 cable is satisfactory for my particular environment.
> >
> > My problems relate to Microsoft *PRESUMPTION* that 'gates knows
> > best'.
> > I.E.nobody has need for 2 unit 'network'.
> >
> > Microsoft presumes world domination.
> >
> > I wish to to connect exactly *one* machine which has ill fortune
> > to use WinXP to *exactly* one unrelated machine.
>
>
> You must MANUALLY configure IP addresses on both machines.
>
> Here's a suggestion
>
> Machine 1:
>   IP Address:           192.168.1.1
>   Subnet Mask:          255.255.255.0
>   Default Gateway:      192.168.1.254 (see notes below)
>   Preferred DNS:        192.168.1.254
>
> Machine 2:
>   IP Address:           192.168.1.2
>   Subnet Mask:          255.255.255.0
>   Default Gateway:      192.168.1.254
>   Preferred DNS:        192.168.1.254
>
> This is a minimal configuration that will allow the two systems
> to communicate.  The Default Gateway and Preferred DNS point to
> a nonexistent system, which is OK.  The Default Gateway is used
> only when you ask to send data to an IP that is NOT on the local
> network (192.168.1.1-254), which you won't be doing.
>
> If you intend to use Windows file sharing between the two systems
> you may have additional issues, but if you are intending to use
> only tools like ssh, scp, telnet or ftp then you should be fine.
> You must use the IP addresses, for example assuming the Windows XP
> system is 192.168.1.1 and you want to ssh to a Linux system
> at 192.168.1.2:
>
>     ssh user at 192.168.1.2
>
> If you want some phone help send me a private email off the list.
>
> --
> Jim Garrison (jhg at acm.org)
> PGP Keys at http://www.jhmg.net RSA 0x04B73B7F DH 0x70738D88
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