Can't port forward?

If you've done a port forward, you need to insure UPnP is turned off. You can't forward ports and have UPnP on at the same time.

DMZ can't be used with Port Forwarding. Neither can be used with UPnP. Suggest you go back to the beginning and enable UPnP then disable Port Forwarding and DMZ. IF that does not solve the problem, then disable UPnP and enable Port Forwarding for both TCP
and UDP for port 3074 in and out.

Doesnt it get a bit repetitive just running around shooting people Strange?

That's what I've done.

I think really the problem is the game.

The only people that really know for sure are Treyarch. I don't understand how a developer can have so little pride in his work. You spend your time developing a game you presumbaly love and then, when it's released, ignore every single complaint and make
no effort to even engage with the community that pays your wages about the game's problems. I bet there are a ton of game developers that would kill to produce the world's biggest selling game franchise, yet Treyarch and David Vonderhaar don't care - and noone
asks him what's going on. No gaming website or magazine seems to think it worth their time to ask him what's up! The biggest game on the planet!

I've tried everything I can think of. I'm not going to mangle my router settings permanently for one game, but i've opened ports, closed ports, used the DMZ, not used the DMZ, tried all sorts of static IP's, adjusted this and that, I've tried playing with
the worst connection preferences, I've tried playing whiel caning bittorrent. To paraphrase Steve Harley, I've done it all. It doesn't seem to make any real difference, so the problem must lie in the game's coding.

What does it say about the industry that the biggest gaming franchise is so badly served. If it worked I'd enjoy it. I've never had an issue with CoD. Sure there are things that need fixing in the gameplay (quickscoping), but that's small potatoes compared
to being able to play it.

As far as lag compensation goes, for all i know that may be an urban myth. Either I have a terrible connection which is why i lag, or i have a really good connection and i'm throttled back by lag comp. It can't be both.