forward packet from two pcs

February 13, 2009 at 01:31:07
Specs: Windows XP, pentium
My network situation:

laptop <---> switch <---> pc1 (Server application on port 10000)

I need to run a server application on the Pc1. As you can see the Pc1 is not directly connected to to my lan but it is behind a laptop coonected to it by a switch. On the laptop is running xp. Is it possible to forward all the packet arriving on the laptop on port 10000 to the pc1. How?
Thank you, g.


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#1
February 13, 2009 at 05:22:57
You are on a lan. There is no forwarding of ports.
Is the laptop bridged to the main network?
Can you ping the pc from beyond the laptop?

Why isn't the pc directly connected to your lan?


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#2
February 13, 2009 at 06:08:34
I used the term "forward" because I don't know
a better term. Maybe that "routing" would be more correct?

Anyway, yes, the laptop is connected to the
main network. This is the situation:

internet <--> router <--wifi--> Laptop <--
switch--> Pc1

As you can see the Pc1 is not directly connected to the
router (not by wifi, not by cable).
The Pc1 also cannot access internet (and I
don't want it).

No, in this situation I cannot ping the pc1
from beyond the laptop, the only computer
ables to ping the pc1 is the laptop and
that's ok.

I need a piece of software running on the
laptop (could also be something to configure
in xp, no idea) that explicitly "re-send" all the
packets for a specific port the laptop receive to the pc1.

Hope it's more clear. Thank you.
Ciao, Gianmaria


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#3
February 13, 2009 at 06:26:26
bridge the two laptop network connections.

If you right mouse click on one you should see bridge connections as a choice.

Though the correct way is connect pc1 to the switch not the laptop.


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#4
February 14, 2009 at 14:35:24
The software I use for the wifi connection (IBM/Lenovo Thinkvantage Access Connection) is not compatible with bridge connection (see here) ..... is bridging the only (simple) solution?

About your sentence

"Though the correct way is connect pc1 to the _switch_ not the laptop."

do you really mean the _switch_ or it was a mistake and you mean the _router_ ?
Thank you, g.


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