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Editorial Team
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Asked: 2026-05-16T22:54:56+00:00

I want my request to go out through a specific IP Addresses. Is there

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I want my request to go out through a specific IP Addresses. Is there a way to do that in WCF. The explanation of why I need this is a little long winded so i’d rather not get into that.

Here is sample code

string ipAddress = "192.168.0.32";
IService service;
ChannelFactory<IOmlService> factory = new ChannelFactory<IService>(new BasicHttpBinding(), new EndpointAddress("http://" + IPAddress + ":6996/IService"));
service = factory.CreateChannel();
service.Test();

Here is an example scenario to explain exactly what i’m looking for. Let’s say I have two IPs on my machine (192.168.0.30 and 192.168.0.31). Both of them can hit 192.168.0.32. If i run this code now, it will hit the IP (.32) from any of my IPs (.30 or .31). How can i force it to go through a specific IP of mine (say .30). Is there any way to do that using WCF?

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1 Answer

  1. Editorial Team

    The answer to the question is that it cannot be done. Here is the answer from a Microsoft MVP

    So you want to let the client-side machine proactively select one of the network adpater interface(installed on it) to send out the WCF requests? I’m afraid this is out of WCF’s control since WCF only focus on the following addresses:

    ** when behave as a host, we can choose to bind to a specific hostname/address to listen for client requests
    ** when behave as a client, we can choose the destination address/hostname to send request to.

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