This is just about everything you need to know, a long boring read but i hightlighted the main parts. See attached document, i took off the .docx as for some reason it would not allow it to upload, just add it back on.
RFC 3101 Extracts
Message was edited by: John PS I never zipped that file, i guess the CLN did.
RFC_3101.zip 76.0 K
This link is a pretty good starter - then try some more google searches,
Here's some youtube vids: http://tinyurl.com/7w6jwzw
Thing is about this networky stuff, is its all out there on the internet, all the information you need, you just need to go find it, and thats one of the reasons I love it!
Hope this helps,
CCIE Joe Astorino goes into detail of each network type in these blog posts. The last one is on troubleshooting.