Hmmm, like pole vaulting or high jump, I pass at this level too easy. I will wait for the more challenging video series!
(j/k $20 is worth it for me besides, it helps someone who obviously put some time and effort into a worthwhile project - but is sob replaceable (rhetorical question) - not yet so while I am studying you need to take care of this messy chap http://forum.mikrotik.com/t/2-wan/137767/1)