Question : network design- a diagram

Hi every one

I just want to go through a good network design to enhance the knowledge of a network design in mix environment or may be in windows..This is just for my personal knowledge purpose.I will prefer a diagram which reflects all connectivity such as all servers, nodes, switches, firewall and so on.
If any of you can refer me some where.

Thanks

swadesh

Answer : network design- a diagram

in the cisco site you will find lot's of very good explained diagrams, with a lot of very good documents about network desing.

go there, all published info is free :)

http://www.cisco.com