I haven't looked in to this DLC release but I would imagine it is along the same lines as the previous DLC. We or you would need to copy the new IWD files in to the servers directory.
<@TimeX-NFo> Hey, we used to have to carry our packets to the servers.
<@TimeX-NFo> And it was upstream, both ways.
<@TimeX-NFo|away> You're asking the old dude for help?????