Silly Question

Sorry for being a bit dumb... ive just about got my head round this but there is one thing i dont understand... if hop 2 is showing 100% PL... how can subsiquent hops and the final hop look ok? Stupid Q I know but dont understand!?

This is certainly *not* a stupid question, and is one that we get asked regularly. That's why we have some knowledge base articles on it:

Here are a couple:

http://www.nessoft.com/kb/24
and
http://www.nessoft.com/kb/5

- Pete