Online games Rubberband

[globrent]

I had 0 issues in games and yesterday I moved and upgraded my internet plan from comcast and recieved a new modem/router that is a 2 in 1 thing. I launched CS:Go and experienced rubberband every few seconds and every other player seemed to be a few steps ahead of where they appeared to be on my screen. I changed nothing but my router/modem and improved my Up/Down speed plan. My question is how do I diagnose this issue. (Happens in TF2 also) To add: I play on a wired connection//I put the router in DMZ mode while in game and nothing changed and the rubberband stayed the same// I turned on port forwarding and forwarded; "name:CS typpe: TCP & UDP start 27015 end 27015" //// I turned off my avast anti virus mid game and nothing change///I am running no other applications while in game and Im not maxing out my CPU/GPU fx-4170 4.3ghz and gtx660

 

[James Mason]

DMZ mode is not something you use to affect gaming performance, it's for network security.

Run some Speedtest.net and Pingtest.net tests.

(also maybe get a keyboard with a working enter key)

 

[globrent]

I assumed that my rubber band was caused by the router's firewall and to fix that I put it in DMZ mode, It did not of course so I just switched the 2 in 1 out for my old modem/router combo and the rubber band is gone, The problem is I cant use the
old. I am merely asking for assistance to fix this p.o.s. box comcast gave me that makes my games no run good.

 

[globrent]

Oh and of course I ran speedtest.net and did self pings and pings to various websites in CMD, maybe I should not have expected help from the gaming forum, too bad the networking forum wont reply to my thread.

 

[James Mason]

You might want to actually look up the info about the modem/router comcast gave you.
You didn't tell us any specifics about it for us to look up, just that it wasn't working.

You could also contact comcast as well as describe the issue, since it only happened on the new one and not on the old one.