What is L2/L3 Layer?

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Sagi07

  • Apr 20th, 2007
 

L2 - Layer 2

This is also referred to as the OSI (Open Systems Interconnection) Data Link Layer. It provides the means for synchronizing the bit stream flowing to and from the physical layer and for the detection of errors due to transmission problems e.g. noise and interference. An example of a Data Link protocol would be Ethernet operating on a LAN (Local Area Network).


L3 - Layer 3
This is also referred to as the OSI (Open Systems Interconnection) Network Layer. It provides the paths for the transfer of data between systems and across networks. The paths between systems may include switched services, and interconnections of multiple subnetworks on route. An example of a protocol operating at the network layer would be IP (Internet Protocol).



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sachin upadhyay

  • Mar 6th, 2014
 

Protocols in the transport layer use udp protocol

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rahul

  • Mar 8th, 2014
 

OSI modal has a seven layer,which was design by ISO,which standard followed by networking device,like switch,router
Layer 2 -Data link layer,function,would be lots of understanding is required between two device like error control,flow control.
Layer 3 - Network layer,which perform routing,routing means,to find the best available path in the network.

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