Can't host but can Connect.

[MrDowner]

I cannot host a p2p room on any Dolphin version, even the latest. However, I can join other peoples rooms, host via traversal and hamachi.
I cannot host with any of the ports I make, however, I can seem to host with another computer with the same ports.
I've tried having everyone disabling their firewalls including mine and I've also uninstalled my antivirus with no avail.
The weirdest part is, I was able to host rooms just a month ago.

I'm simply stumped, does anyone have any ideas on what to do?

[Anti-Ultimate]

I don't know how exactly netplay works, but I guess you need to forward ports on your router.

(This only works if your router gets a Public IP, if it's something like 10.X.X.X, it won't work and you should blame your ISP)

[MrDowner]

But I do have them forwarded. and I mentioned in my post that I've hosted before.

[KHg8m3r]

Have you tried the new transversal way to connect in the latest dev builds of Dolphin?

[MrDowner]

Yeah I can host traversal. But isn't there more lag if I host that way?

[KHg8m3r]

No, From what I understand, the Transversal is just a way to set up the connection, and then it's P2P for the actual connections

[MrDowner]

It does? then why does it disconnect when the traversal server goes down?

Edit: Nevermind, I read up on traversal.
Thank you so much KH.