Free Training Of CCNA and MCSE

There are many Simulators available in Market like GNS3, Packet Tracer and Boson etc.I will Prefer and refer Packet Tracer because it is easy to use and lab output also nearest to actual. Download the Packet Tracer(with Tutorials) from the following link, in next post i will post 1st lab of CCNA. http://www.mediafire.com/?bl0b76swpbae2q8

What is a Router? Router is a device which makes communication possible between two or more different networks present in same or different geographical locations. A router is a special type of computer. It has the same basic components as a standard desktop PC. However, routers are designed to perform some very specific functions. Just as computers need operating systems to run software applications, routers need the Internetwork Operating System software (IOS) to run configuration files. These configuration files contain the instructions and parameters that control the flow of traffic in and out of the routers. Other Vendors apart from Cisco Many companies are manufacturing Router: • Nortel • Juniper • Dlink • Linksys • 3Com etc. Router Classification: 1-FIXED ROUTER : (Non Upgradeable cannot add and remove the Ethernet or serial interfaces)   Doesn’t have any slot 2- MODULAR ROUTER :    (Upgradeable can add and remove interfaces as per the requirement)  ...