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C++/winsock

83
Hi again,
With winsock, is it possibly to get the current computer's global IP, I am able to get the local IP, but I havent found any articles on global Ip.
Sep 1 '08 #1
5 1912
gpraghuram
1,275 Expert 1GB
Whats global IP?
A system will have only one IP address and if you are hooked on to internet you will have it.

Raghu
Sep 1 '08 #2
myusernotyours
188 100+
Whats global IP?
A system will have only one IP address and if you are hooked on to internet you will have it.

Raghu
I think what they are speaking of as the global IP is the one that comes with an internet connection. Local is the one assigned to a computer on a LAN that does not necessarily have to be hooked on to the net.

Regards,
Alex.
Sep 1 '08 #3
pootle
68
check out the ip helper api (you can find it on msdn). This api provides access to the ip address table - so when you have multiple nics, you can find the ip address of the adapter that will be used to send data to a specified address. There is also a lot of other functionality and you should be able to find what you need.

Hth
Sep 1 '08 #4
Banfa
9,065 Expert Mod 8TB
Actually you don't have to have multiple NICs to have multiple IP addresses, although it would be slightly unusual there are cases where it makes sense.
Sep 1 '08 #5
pootle
68
Actually you don't have to have multiple NICs to have multiple IP addresses, although it would be slightly unusual there are cases where it makes sense.
You are right - two cases I know of are for VMWare and VPNs. I'm sure there are plenty of others...
Sep 1 '08 #6

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