ROUTER

WHAT IS ROUTER

1. A ROUTER IS A NETWORKING DEVICE THAT FORWARDS DATA PACKETS BETWEEN COMPUTER NETWORKS.

2. ROUTERS PERFORM THE TRAFFIC DIRECTING FUNCTIONS BETWEEN NETWORKS AND ON THE GLOBAL INTERNET.

3. DATA SENT THROUGH A NETWORK, SUCH AS A WEB PAGE OR EMAIL, IS IN THE FORM OF DATA PACKETS.

1: NON MODULAR ROUTER

A SERIES FIXED ROUTER IS CALLED NON MODULAR ROUTER . SERIES. 2500………2599

2: MODULAR ROUTER

A SERIES CHANGABL ROUTER IA CALLED MODULAR ROUTER . SERIES. 2600,2800,3400,6500,720

1. IT PROVIDES CONNECTION BETWEEN RWO DIS-SIMILAR TYPES OF NETWORK.

2. TRANSMISSION IS VERY HIGH.

3. IT INTERNALLY USE SOME ALGORITHM TO FINDOUT CONGETSION FREE PATH.

4. IT PROVIDE BOTH WIRE AND WIRED FACILITY.

1. ROUTER IS MORE EXPENSIVE COMPARE TO OTHER NETWORK DIVCES.

2. ROUTER ARE COMPLEX TO MAINTAIN.

3. SECURITY ISSUE.

1.USER MODE

Router>

2. ENABLE MODE

Router#

3. CONFIGURATION TERMINAL MODE

Router(config)#

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WHEN FIRST TIME ROUTER HIS OPEN THE FIST MODE HIS APPEARS

Router> AND WHEN TO ENABLE MODE TO ENTER Router> enable

SEE TO ENABLE MODE Router#

AND WHEN TO CONFIGURATION MODE TO ENTER router# config t

AND SEE THE CONFIGURATION MDE router(config)#

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THE PURPOSE OF ENABLE MODE IS ALL THE CONFIGURATION YOU PERFORMS A ROUTER TO SEE IT AND ANY IP PING IN ENABLE MODE

AND CHECK COMMUNICATION.

THE PURPOSE OF CONFIGURATION TERMINAL MODE ALL THE PROTOCOLS AND CONFIGURATION POERFORMED HIS MODE.