Kfb

hello everyone, I have a big problem I just received the netduma r3 and it was like a child's dream I thought I would finally be rid of ghost bullets, lag in my games ping raise etc, the problem is that with the netduma r3 I cannot stabilize my connection. it says ping not stabilized and when I click a message impossible to stabilize the ping because the connection is too unstable or incompatible. I put my router in bridge mode it didn't work, I put it in console device manager it didn't work... I put the dmz of my box on dumaos and it still didn't work!! my question is why buy a 200€ router to make my connection worse?? I would like to be reimbursed, there is probably no solution..