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Re: Sharing the internet connection with XP



At 13:57 2005-07-27, you wrote:
On 7/27/05, Björn Johansson <bjorn.johansson@4a-consulting.com> wrote:
> At 00:03 2005-07-27, you wrote:
> >On 7/26/05, Björn Johansson <bjorn.johansson@4a-consulting.com> wrote:
> > >
> > > I can't afford to buy a router right now, so that's out of the question.
> > > I have made progress! Now I can transfer files
> > > through ftp from the pc to mac at the
> > > same time as the pc has access to the internet.
> > >
> > > To make the mac share the internet through
> > the pc, to make that work, people
> > > have told me that I should use the pc as a gateway. So perhaps I need to
> > > create an static ip for gateway on the pc and
> > then I tell the mac to use that
> > > gateway address in the network.
> > >
> >
> >What IP does the network card in the PC have now?
> >
> > From your previous mail I see that the Mac is on 192.168.0.246 with
> >netmask 255.255.255.0. Since you can already "talk" to the PC, that
> >means the PC's card is on 192.168.0.???. That is the IP you want to
> >set as the gateway on your Mac! To test this, use "route":
> >
> >route add default gw 192.168.0.??? dev eth0
> >
> >Now you should be able to reach the Internet... try:
> >
> >ping 194.109.137.218
> >
> >which is www.debian.org.
> >
> >If it doesn't work, check the connection sharing options in Windows XP.
> >
> >Once this basic connection works, you can set it all up proper in
> >/etc/network/interfaces.
> >
> >cheers,
> >Christian
>
> Since I can ftp both ways. Right now I know that I can't access the pc through > the mac because I don't have an ftp server running on the pc, but that's easy > to fix, so I assume this is working also. Ftp from the pc to the mac, there I
> am 100% sure it works!
>

This is good, it means that your local network is configured right.
Now "all" that
is left to do is to set up propper routing...

> Do I haveto install a special program or something so that the WindowsXP
> system can allow the mac to use the PC modem to access the internet? :-/
>

Technically, you don't want to allow the Mac to use the PC modem, you want
your Mac to use the PC as a router. The Mac doesn't care at all about the modem.

This functionality is included in Windows XP. I can't tell you exactly
how to set it up since I don't have Windows here, but I remember it
was easy to find and use. Just look around some more... I'll see my
brother next Tuesday, if it is still an issue then i'll check his
computer to see how exactly it was done...

cheers,
Christian

The route command:

Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
192.168.0.0     *               255.255.255.0   U     0      0        0 eth0
default         jupiter2.mshome 0.0.0.0         UG    0      0        0 eth0


# The loopback network interface
auto lo
iface lo inet loopback

iface NIL inet static
name Ethernet LAN card
address 192.168.0.2
netmask 255.255.255.0
broadcast 172.20.255.255
network 172.20.0.0

auto NIL


# The resolv.conf file
search mshome.net
nameserver 192.168.0.1


Does this output help?

Greetings
Björn




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