NAT plug-in for Windows CE 5.0

I want to forward some broadcasts through a NAT gateway on a Windows CE device. This shou开发者_开发技巧ld be possible with a NAT plug-in.

• Which kind of NAT plug-ins coul do this job?
• What tools do need I for development?

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The requried NAT plug-ing is a NAT editor. The Visual Studio 2005/2008 is sufficient for developing a DLL for Windows CE.