Say Y here if you want to build support for the IrNET protocol. To compile it as a module, choose M here: the module will be called irnet. IrNET is a PPP driver, so you will also need a working PPP subsystem (driver, daemon and config)... IrNET is an alternate way to transfer TCP/IP traffic over IrDA. It uses synchronous PPP over a set of point to point IrDA sockets. You can use it between Linux machine or with W2k.