first, have a look here:
http://en.wikipedia.org/wiki/Punctuation

after that let us all know what kind of equipment you are using, what OSes, what is the budget... anything else you feel is relevant, like traffic volumes, types of applications passing through

let us all know what kind of equipment you are using, what OSes, what is the budget... anything else you feel is relevant, like traffic volumes, types of applications passing through

again