That's not a problem really, I can read English, German, Spanish, Some French, and Dutch, and a wee bit of others. I can sort of understand Celtic things too, so that's not a problem if your English is not top notch. One reason you may have soo much traffic, have you ever checked the services running? I made a tutorial for this and you might like too read it, it's called "SUSE Basics".

That, and what programs do you use? Some may use Network activity.