Hello,
pls can anyone tell me or explain to me on How and what i need to configure a cisco 2600 router. i just want to be like any other IT Engineers who's got the skills of Networking.
Agreed it is a career in itself. You would need to have training to use one, however, CBT Nuggets is a great source with Jeremy Cioara. It's how I got started and I'd recommend it a 100%