v4.0.219 , i dont know what model i think it is maybe sagemcom i live in israel and the company that provide my internet is cellcom dont know if this telling you anything, i think i connected the the normal router to the netduma blue port(wan), r3 isnt in dmz i dont have bridge mode i will try to find the dmz setting and make it can you tell me how to do it if possible sorry for the trouble, my speeds are 1000 download and 100 upload and yes i entered those, i dont have congestion control set and i not sure on the last one, i will note that smart tvs dosnt work now that the download is slower maybe the wi fi got slower too