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Switch

 

WHAT IS SWITCH

1. SWITCH IS A NETWORK DEVICE THAT CONNECT MULTIPAL COMPUTERS TOGETHER IN THE NETWORK.

2. SWITCH COMMUNICATION BASED ON MAC-ADDRESS.

3. SWITCH CAN EASILY INDETIFIE THAT WHICH DEVICE IS CONNECTED WHICH WITH PORT BY USING MAC-ADDRESS THAT WHY IT DELIVERED MESSAGE ON PARTICULAR DESTINATION MACHINE.

2 TYPES OF SWITCH.

 1. UNMENADABLE SWITCH 

NO CONFIGRATION AND VERIFIVATION CAN BE DONE.  
 
THERE IS NO CONSOL PORT. PLUG AND PLAY IS USED AND CONNECT.

 2. MENAGEABLE SWITCH: 

WE CAN CONFIGRATION AND VERIFICATION THROUGH SOME LAN PROTOCOL. IT HAS A CONSOLE PORT.  LAN PROTOCOL: UTP,STP,ULAN.

ADDVANTAGES OF SWITCH

1. IT GENERALLY USED TO UNICAST THE MESSAGE.

2. IT PROVIDES MORE SECURITY THAN HUB.

3. SWITCH SUPPORT FULL DUPLEX DATA TRANSMISSION MODE.

4. IF A NODE FAILS,THERE WILL BE NO EFFECT IN THE ENTIRE NETWORK.

5. IT IS USED TO SEND DATA PACKET BASED ON MAC-ADDRESS.

DISSADVANTAGES OF SWITCH

1. IF SWITCH IS FAILED THEN ENTIRE NETWORK WILL BE FAILED.

2. IT IS MORE EXPENSIVE.

3. DIFFICULT TO SETUP.


_________

 CISCO SWITCHECLI INTERFACE HIS 3 MODE

1.USER MODE
                            switch>
2. ENABLE MODE
                                    switch#
3. CONFIGURATION TERMINAL MODE
                                                                           switch(config)#

_________________________

WHEN FIRST TIME ROUTER HIS OPEN THE FIST MODE HIS APPEARS

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

SEE  TO ENABLE MODE    switch#

AND WHEN TO CONFIGURATION MODE TO ENTER  switch# config t

AND SEE THE CONFIGURATION MDE  switch(config)#

_______________________

THE PURPOSE OF ENABLE MODE IS ALL THE CONFIGURATION YOU PERFORMS A SWITCH 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.

_________________________

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