Looking to share my Laptop Wireless over Laptop LAN port

[Kardon Coupé]

Dear All,

I have a machine upstairs right next to my laptop that is wirelessly
connected to my router, I've tried to use a cross over cable between the two
machines, but everytime I 'Enable' the LAN (even when the wireless has the
correct IP and is enabled) I can't access the internet on my laptop. Disable
the LAN and the internet comes back....

I must be doing something wrong...

my Ip Range is 192.168.1.x, Default Gateway being 192.168.1.2.

I've read various posts, some mentioning using 10.0.0.1 etc, but I was
confused, as I have never had to use this before, as far as I was aware any
device on the network has to be within the same ip ranges, I'm sure I've
read somewhere that the subnet can make alterations to the numbers you can
go up to, but as I've never needed more that 255 machines, I've always
stayed with 255.255.255.0 (clasping at straws there)

Is there anyway I can set up the laptop, so the wireless on the laptop still
calls my router for internet, but shares the connection it receives over the
lan port (cross over cable) and the 'other machine' can access the internet?

There is 'NO' option what so ever for the 'other' machine to have a wireless
nic put into it, or a usb version,etc it only has a lan port.

Hope someone can help me with this predicament...

Regards
Paul.

 

[John Wunderlich]

Dear All,

I have a machine upstairs right next to my laptop that is
wirelessly connected to my router, I've tried to use a cross over
cable between the two machines, but everytime I 'Enable' the LAN
(even when the wireless has the correct IP and is enabled) I can't
access the internet on my laptop. Disable the LAN and the internet
comes back....

I must be doing something wrong...

my Ip Range is 192.168.1.x, Default Gateway being 192.168.1.2.

I've read various posts, some mentioning using 10.0.0.1 etc, but I
was confused, as I have never had to use this before, as far as I
was aware any device on the network has to be within the same ip
ranges, I'm sure I've read somewhere that the subnet can make
alterations to the numbers you can go up to, but as I've never
needed more that 255 machines, I've always stayed with
255.255.255.0 (clasping at straws there)

Is there anyway I can set up the laptop, so the wireless on the
laptop still calls my router for internet, but shares the
connection it receives over the lan port (cross over cable) and
the 'other machine' can access the internet?

You need to setup Window's "Internet Connection Sharing" (ICS) feature
on your laptop to do this. See:

<http://www.practicallynetworked.com/sharing/xp_ics/>

HTH,
John

 

[Kardon Coupé]

I did set up the ICS, the LAN port is enabled, and it gets allocated an ip
of 192.168.0.1, which as far as I was aware if I'm using 192.168.1.x on
every other device on my network (which would be a pain if I changed
everyone) the 192.168.0.1 can't talk to the network?

if I change the LAN port to 192.168.1.1 and leave everything else the same I
then have problems with the wireless on the laptop not being able to see the
internet, so both then don't work...

I'm stumped.

 

[John Wunderlich]

I did set up the ICS, the LAN port is enabled, and it gets
allocated an ip of 192.168.0.1, which as far as I was aware if I'm
using 192.168.1.x on every other device on my network (which would
be a pain if I changed everyone) the 192.168.0.1 can't talk to the
network?

if I change the LAN port to 192.168.1.1 and leave everything else
the same I then have problems with the wireless on the laptop not
being able to see the internet, so both then don't work...

I'm stumped.

That is the way it is supposed to work. The laptop will create a
192.168.0.x network for your local network and ICS takes care of
translating internet requests over to the 192.168.1.x network for
internet connection (Network Address Translation, NAT). So internet
traffic is relayed by your laptop to/from your hardwired computer.
This should provide internet connectivity for your hardwired computer
but it may have problems Windows-networking with other machines on your
192.168.1.x network because Windows networking does not work well
through routers (particularly NAT routers) and ICS makes your laptop
look/act like a NAT router... but your initial request was for internet
access, not networking amongst local computers.

What you really need is a Wireless Bridge.
Go to the Linksys website:
<http://www.linksys.com>
and search for their WET54G product.
It's not the only product out there, but it's a place to start.

HTH,
John

 

[Kardon Coupé]

That is the way it is supposed to work. The laptop will create a

192.168.0.x network for your local network and ICS takes care of
translating internet requests over to the 192.168.1.x network for
internet connection (Network Address Translation, NAT). So internet
traffic is relayed by your laptop to/from your hardwired computer.
This should provide internet connectivity for your hardwired computer
but it may have problems Windows-networking with other machines on your
192.168.1.x network because Windows networking does not work well
through routers (particularly NAT routers) and ICS makes your laptop
look/act like a NAT router... but your initial request was for internet
access, not networking amongst local computers.

No, your right in what your telling me to setup, as I want Internet
information from the laptop sent to the 'other' machine (basically what the
other machine is just to bring you up to speed, is Linux on a PS3, but as
neither is pertenant to this group I called it an 'other' machine)

So, what you are saying to me, are the results I am achieving, which tells
me the laptop is set up correctly to send internet down a crossover cable
from the LAN port, that has been received to itself from it's own wireless
PCMCIA card from my network.

So it looks like the problem will be the PS3/Linux network setup, so I will
hunt down another group (relevant to either) and post a request in there...

John, thank you for your help on this matter.

Regards
Paul.

 

[Kardon Coupé]

John,

Just to bring you up to speed (as I like to give follow up's) I left the
laptop exactly as i'd/we'd said, and went to the network setup of the
ps3/linux, put it to DHCP and guess what......it worked..... =-)

Thanks again...
Paul.

 

[John Wunderlich]

John,

Just to bring you up to speed (as I like to give follow up's) I
left the laptop exactly as i'd/we'd said, and went to the network
setup of the ps3/linux, put it to DHCP and guess what......it
worked..... =-)

Thanks again...
Paul.

Thanks for the feedback. I had just assumed that the other machine had
DHCP client enabled. You _can_ set the IP manually, but you will also
have to set the correct DNS server and Default Gateway addresses which
are usually automatically set when using DHCP.

Followup appreciated,
John