TWO THINGS !!

hELLO,
I am using first time NetFlow Analyzer and found it splendid, one 2 points i am stucked these are as:
1. Can i Analyze me servers using NetFlow Analyzer (I have Linux, Solaris and Windows) servers in my Network. as i didn't find anything for these.

2. I hav entered all my routers in it except my internet router, bcoz it is not added up in it. donno wat the problem is. i have enable netflow on all interfaces. but when i do eneterd in IP group and give IP there after that in select devices i found nothign for my internet router. what would be the problem , there is no ACL limitizing it , there is no problem found on router i am already getting graphs of it ON 3 different NMS softwares. Plz let me know wat would be the problem.

Regards,