I have a small home network with a router providing internet connection
via a cable modem to a WinXP and two Win98 computers. Everything works
perfectly.

This morning, I decided to install a dial-up connection on the WinXP
computer for back-up. That also worked perfectly. But when I then closed
the dial-up connection, the internet connection on the LAN was "broken". I
had to uninstall the dial-up and power everything down and restart to get
it working again.

Is there any way to have both a dial-up and LAN internet connection? If
so, what procedures must I follow to prevent one from affecting the other?

Regards, hawk

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On Tue, 11 Nov 2003 11:47:06 -0800, hawk <(E-Mail Removed)> wrote:

>This morning, I decided to install a dial-up connection on the WinXP
>computer for back-up. That also worked perfectly. But when I then closed
>the dial-up connection, the internet connection on the LAN was "broken". I
>had to uninstall the dial-up and power everything down and restart to get
>it working again.

The dial up should not affect your LAN connection at all if the
machines are on the same subnet.

Even if they are on different subnets, any routing should be reset
whenever the dial up connection is hung up.

Try it again and if it's still not working post the details of the
routing table before and after.


Jim.

On Wed, 12 Nov 2003 17:18:33 +0000, James Egan <(E-Mail Removed)>
wrote:

> On Tue, 11 Nov 2003 11:47:06 -0800, hawk <(E-Mail Removed)> wrote:
>
>> This morning, I decided to install a dial-up connection on the WinXP
>> computer for back-up. That also worked perfectly. But when I then closed
>> the dial-up connection, the internet connection on the LAN was
>> "broken". I
>> had to uninstall the dial-up and power everything down and restart to
>> get
>> it working again.
>
> The dial up should not affect your LAN connection at all if the
> machines are on the same subnet.
>
> Even if they are on different subnets, any routing should be reset
> whenever the dial up connection is hung up.
>
> Try it again and if it's still not working post the details of the
> routing table before and after.
>
> Jim.

Where is the routing table? And where is the subnet defined?

Thanks and regards, hawk


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Well, I guess I have solved this problem. I set up the dial-up connection.
Then, before I use the dial-up, I disable the Network Card on the WinXP.
The dial-up works just fine. When I finish with the dial-up, I enable the
network card and everything is back to normal with no problems. This
leaves the rest of the network operating normally while I fiddle with the
dial-up.

Regards, hawk

On Tue, 11 Nov 2003 11:47:06 -0800, hawk <(E-Mail Removed)> wrote:

> I have a small home network with a router providing internet connection
> via a cable modem to a WinXP and two Win98 computers. Everything works
> perfectly.
>
> This morning, I decided to install a dial-up connection on the WinXP
> computer for back-up. That also worked perfectly. But when I then closed
> the dial-up connection, the internet connection on the LAN was "broken".
> I had to uninstall the dial-up and power everything down and restart to
> get it working again.
>
> Is there any way to have both a dial-up and LAN internet connection? If
> so, what procedures must I follow to prevent one from affecting the
> other?
>
> Regards, hawk
>



--
Using M2, Opera's revolutionary e-mail client: http://www.opera.com/m2/

On Thu, 13 Nov 2003 16:36:59 -0800, hawk <(E-Mail Removed)> wrote:

>Well, I guess I have solved this problem. I set up the dial-up connection.
>Then, before I use the dial-up, I disable the Network Card on the WinXP.
>The dial-up works just fine. When I finish with the dial-up, I enable the
>network card and everything is back to normal with no problems. This
>leaves the rest of the network operating normally while I fiddle with the
>dial-up.

It might be a workaround but it's a cop out. It should all work okay
without you having to do that.


Jim.

On Wed, 12 Nov 2003 15:53:49 -0800, hawk <(E-Mail Removed)> wrote:

>Where is the routing table? And where is the subnet defined?

Boot to a dos prompt and type

route print > rprint.txt

This will put a printout of your routing table to a file (rprint.txt)
which you can then paste into your news client and here.

Do a before and after.


Jim.

OK, but if I leave the LAN connected and then establish a dial-up
connection, and then start my browser, which connection does the browser
choose?

Regards, hawk

On Fri, 14 Nov 2003 01:29:04 +0000, James Egan <(E-Mail Removed)>
wrote:

> On Thu, 13 Nov 2003 16:36:59 -0800, hawk <(E-Mail Removed)> wrote:
>
>> Well, I guess I have solved this problem. I set up the dial-up
>> connection.
>> Then, before I use the dial-up, I disable the Network Card on the WinXP.
>> The dial-up works just fine. When I finish with the dial-up, I enable
>> the
>> network card and everything is back to normal with no problems. This
>> leaves the rest of the network operating normally while I fiddle with
>> the
>> dial-up.
>
> It might be a workaround but it's a cop out. It should all work okay
> without you having to do that.
>
>
> Jim.
>



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Using M2, Opera's revolutionary e-mail client: http://www.opera.com/m2/

Well, I used the dial-up to establish a connection to my dial-up ISP while
leaving the LAN connected. Then I started my browser, it used the dial-up
connection. Then I closed the browser and disconnected the dial-up
connection. When I re-started the browser, everything worked just fine. I
don't know what happened the first time.

Regards, hawk

On Wed, 12 Nov 2003 17:18:33 +0000, James Egan <(E-Mail Removed)>
wrote:

> On Tue, 11 Nov 2003 11:47:06 -0800, hawk <(E-Mail Removed)> wrote:
>
>> This morning, I decided to install a dial-up connection on the WinXP
>> computer for back-up. That also worked perfectly. But when I then closed
>> the dial-up connection, the internet connection on the LAN was
>> "broken". I
>> had to uninstall the dial-up and power everything down and restart to
>> get
>> it working again.
>
> The dial up should not affect your LAN connection at all if the
> machines are on the same subnet.
>
> Even if they are on different subnets, any routing should be reset
> whenever the dial up connection is hung up.
>
> Try it again and if it's still not working post the details of the
> routing table before and after.
>
>
> Jim.
>



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Using M2, Opera's revolutionary e-mail client: http://www.opera.com/m2/

On Fri, 14 Nov 2003 07:34:17 -0800, hawk <(E-Mail Removed)> wrote:

>OK, but if I leave the LAN connected and then establish a dial-up
>connection, and then start my browser, which connection does the browser
>choose?

There is a setting in the DUN connection properties which says "use
default gateway on remote network" (or words to that effect). This box
is checked by default so unless you uncheck it (which will spoil your
dialup internet connection so don't do that) it means that when you
establish a DUN connection the default gateway is changed from
whatever you have it set as normally to whatever has been negotiated
by your ppp dialup.

Consequently, all packets not addressed to machines on your local
subnet will head off via the dialup gateway which is what you want.

If all is working okay, it will automatically change back again when
you hang up. The local subnet connections should be unaffected whether
the dialup is being used or not.

Glad you got it working okay.


Jim.