You may find some useful thoughts about dust collection here. Drag chain AND vac hose - #9 by dwkisker
I use a shop vac with a cyclone that lives down on the floor at the X-min side of my table.
I also have posted some magnetic connectors that are threaded so they screw directly into the hose. Those are on Printables: Magnetic dust collector fittings, threaded for 2.5" hose by Dave K | Download free STL model | Printables.com