TCP Three-Way Handshake (SYN, SYN-ACK, ACK)

To establish a connection  each device must send a SYN and receive a ACK for it from the other device. The TCP three-way Handshake in Transmission Control Protocol also call as TCP-handshake is the method used by TCP set up a TCP/IP connection over a Internet protocol based network..

ACK :- Acknowledgement field significant.
SYN :- Synchronize sequence numbers.

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What Is Network ?

              When two device on network is use logical addressing to communicate each other.it is call as Network. There are two basic important network classification that you need to know. LAN and WAN.

LAN(Local Area Network)
         This is used to describe a network a limited geographical area such as floor, building or a campus. LAN basically has a high-transfer rate. The Ethernet standard is the most conmanly used technology in LANs.

WAN(Wide Area Network)
          This is used to describe a network a large geographical area such as city or country. They are use to connect LAN across the area they cover.               

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Access Control List Basic Example

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Frame Relay Switching

Frame Relay Switching

Frame Relay Switching Basic Example 

Steps:-

          Configure the Frame-Relay Switch(FRSW).

          Configure Route DLCI in FRSW.

          Configure ip address in (Paris,Berlin,Stockholm) Subinterface.

          Configure Map ip in subinterface.

           Ping from Paris to Berlin.

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