Connect to ethernet LAN through dial-up direct to a computer on the LAN?

Connect to ethernet LAN through dial-up direct to a computer on the LAN?
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Subject Author Date
Connect to ethernet LAN through dial-up direct to a computer on the LAN? Harvey 05-29-2008
Posted by Harvey on May 29, 2008, 3:39 pm
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Hi.
I'm back with another idea.
I investigated a dry pair, and after hours of talking to many people
at the phone company (Verizon), finally someone did give me the
"correct name" of what I was asking for a "PL Dry Pair Circuit". Well
I may still try to get them to do that, but with the trouble so far, I
would like to try another approach first.

Is it possible to connect to a server (with a dotted quad address)
connected via Ethernet to a computer, by setting up that computer to
answer a dial-up call (via 56k modem) from a computer calling it. That
is dialing the computer directly, not through the Internet.

I understand that I can set up the "host" computer to answer an
incoming call, but how do I then get the connection to another server
through that connection?

Thanks so much for your help,

Harvey

NMFall 20%
Posted by Walter Roberson on May 29, 2008, 4:36 pm
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>Is it possible to connect to a server (with a dotted quad address)
>connected via Ethernet to a computer, by setting up that computer to
>answer a dial-up call (via 56k modem) from a computer calling it. That
>is dialing the computer directly, not through the Internet.

>I understand that I can set up the "host" computer to answer an
>incoming call, but how do I then get the connection to another server
>through that connection?

I believe you mentioned MS Windows. If so, then the ability to reach
other systems should be on by default when you use SLIP (that I
mentioned before) or (the bettter, more complete) setup instructions
that someone posted in response to that -- usually you have to
specifically turn it off!

Microsoft mostly calls this "Internet Connection Sharing" (ICS).
The name that security people call it is not printable in
polite company ;-(

To turn it on, run the Network Setup Wizard and choose the
first option "This computer connects directly to the Internet.
The other computers on my network connect to the Internet
through this computer.

You may also be able to put something into effect by selecting
the Network Connections portion of the Settings area, and on the
resulting page, bring up the properties on the local area network
and fiddle through there a bit to find Connection Bridging. I haven't
checked to see if that is the same as ICS.

Posted by Harvey on June 3, 2008, 3:06 am
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On May 29, 1:36 pm, rober...@hushmail.com (Walter Roberson) wrote:
>
> >Is it possible to connect to a server (with a dotted quad address)
> >connected via Ethernet to a computer, by setting up that computer to
> >answer a dial-up call (via 56k modem) from a computer calling it. That
> >is dialing the computer directly, not through the Internet.
> >I understand that I can set up the "host" computer to answer an
> >incoming call, but how do I then get the connection to another server
> >through that connection?
>
> I believe you mentioned MS Windows. If so, then the ability to reach
> other systems should be on by default when you use SLIP (that I
> mentioned before) or (the bettter, more complete) setup instructions
> that someone posted in response to that -- usually you have to
> specifically turn it off!
>
> Microsoft mostly calls this "Internet Connection Sharing" (ICS).
> The name that security people call it is not printable in
> polite company ;-(
>
> To turn it on, run the Network Setup Wizard and choose the
> first option "This computer connects directly to the Internet.
> The other computers on my network connect to the Internet
> through this computer.
>
> You may also be able to put something into effect by selecting
> the Network Connections portion of the Settings area, and on the
> resulting page, bring up the properties on the local area network
> and fiddle through there a bit to find Connection Bridging. I haven't
> checked to see if that is the same as ICS.

Yes, Win XP. Do I select SLIP on the calling end, the answering end or
both.
Harvey

Posted by glen herrmannsfeldt on May 29, 2008, 7:47 pm
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Harvey wrote:
(snip)

> Is it possible to connect to a server (with a dotted quad address)
> connected via Ethernet to a computer, by setting up that computer to
> answer a dial-up call (via 56k modem) from a computer calling it. That
> is dialing the computer directly, not through the Internet.

SLIP and PPP allow IP connections through serial links.
Most likely you can't get higher than 33.6K, though. A 56K modem
requires an ISDN or T1 at the other (answer) end.

> I understand that I can set up the "host" computer to answer an
> incoming call, but how do I then get the connection to another server
> through that connection?

It isn't so hard to find hardware that will do SLIP or PPP now.

Some years ago I did it with PCroute. It was running on
a 10MHz 8088, barely fast enough to keep up with a 9600 baud
link. No login, just connect an answer modem on one end,
and an originate on the other. I kept the line up all the
time, static IP addresses (even RIP running through it).
I had PCRoute machines running at both ends, connecting
to ethernet at home and office. That was before the
web became popular, though at the end some web
pages went through it.

Easiest is to do static IP address and static default route.

-- glen


Posted by Harvey on June 3, 2008, 1:55 am
If you were  Registered and logged in, you could reply and use other advanced thread options
> Harvey wrote:
>
> (snip)
>
> > Is it possible to connect to a server (with a dotted quad address)
> > connected via Ethernet to a computer, by setting up that computer to
> > answer a dial-up call (via 56k modem) from a computer calling it. That
> > is dialing the computer directly, not through the Internet.
>
> SLIP and PPP allow IP connections through serial links.
> Most likely you can't get higher than 33.6K, though. A 56K modem
> requires an ISDN or T1 at the other (answer) end.
>
> > I understand that I can set up the "host" computer to answer an
> > incoming call, but how do I then get the connection to another server
> > through that connection?
>
> It isn't so hard to find hardware that will do SLIP or PPP now.
>
> Some years ago I did it with PCroute. It was running on
> a 10MHz 8088, barely fast enough to keep up with a 9600 baud
> link. No login, just connect an answer modem on one end,
> and an originate on the other. I kept the line up all the
> time, static IP addresses (even RIP running through it).
> I had PCRoute machines running at both ends, connecting
> to ethernet at home and office. That was before the
> web became popular, though at the end some web
> pages went through it.
>
> Easiest is to do static IP address and static default route.
>
> -- glen

Well, I need more information. I just spent several hours at the
installation site where I have two phone lines to work with (only one
at home) and I couldn't get anything to work. I wish I could try this
at home.

Harvey

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