Yes, I guess that would be the most convenient way if it is possible for this router.
Google returns me some
decent results. Have you tried them?
Using Tor may solve my problem partially, I will try to set up that, but I am still looking for a way to do that also for clearnet connections.
Excuse me from asking but why do you want clear net connections? Is speed necessary for your job? There's no other downside when you're going through Tor. Unless you want to contribute to the clear net on purpose, there's no reason other than speed to not use Tor.