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Connect PC to a wan

Posted on 2004-08-25
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Last Modified: 2010-08-05
Hi expert,

I have a winxp pc and I have an internet connection with a static ip-address (this address is different than the ip-address of my PC).
What I want is that I can ping from anywhere to the ip-address of my PC. (I don't know if it is normal that I can't ping to my static IP-address?).

Can you tell me that i must do?

Thanks
Philippe
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Question by:dwphilippe
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Expert Comment

by:adamdrayer
ID: 11892131
does the IP address of your winxp PC fall into the following range?

10.x.x.x
172.16-32.x.x
192.168.x.x

and you would like to ping this address?  are you a home user?
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Author Comment

by:dwphilippe
ID: 11895187
my IP address start with 10.x.x.x and yes I want to ping to that address.

I am also a home user but my internet-router has a static IP address. The OS on my pc is win xp pro.
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Expert Comment

by:adamdrayer
ID: 11895686

Those are private addresses that are not considered "internet" or "public" addresses.  If your router supports Network Address Translation, you can configure it to pass certain ports to your PC.  This is called Port Forwarding.  Some routers allow this and some do not.  If you give me the model# of the router you have I can do some research.  In this case, you would ping your router's static IP address, and it would pass the requests along to your PC

There is a couple of other ways, but they involve altering routing tables from each machine that you want to ping it from, etc...  That's not recommended.  

If you tell me what you are trying to do, I may be able to show you an alternative way as this is a fairly common setup.

Note:  Some commercial ISPs do not allow their "home" customers to setup website and respond to PINGs.  You said you can ping your router's static IP so this is not the case for PINGs.

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Expert Comment

by:cypresshill2004
ID: 11901985
as adamdrayer has stated some isp don't allow for it and if you are roadrunner customer they have the icmp disable which also means that port 21 is closed which means you can't ping anyone on a public internet address
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Expert Comment

by:adamdrayer
ID: 11902256

ICMP(PING) doesn't use ports that I'm aware of.  TCP port 20 and 21 is used for ftp.
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Author Comment

by:dwphilippe
ID: 11902387
My modem is a Cisco Soho-A.

That I want to do?
I have wrote a server/client program. The server program manages the database and the client ask all the data he needs on the server. The program works on a LAN and now I want to let it works on a WAN. The programs are written in VB6.
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Accepted Solution

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adamdrayer earned 125 total points
ID: 11902503
ok.  Well I'm not 100% familiar with that particular model, but I assume that you can configure port forwarding on it.

You may want to try the "Networking" TA here for Cisco help.  There are great cisco people in there.  Start a thread saying something like:



I have a cisco SohoA at home that issues a 10.x.x.x IP address to my WinXP PC, and I'd like to setup a Client-Server application.  How can I configure port forwarding to allows this application to work?
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