Two common mac lower sublayers

This is typically between the networking software and the device hardware.


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The LLC sublayer takes the network protocol data, which is typically an IPv4 packet, and adds control information to help deliver the packet to the destination node. The LLC is used to communicate with the upper layers of the application, and transition the packet to the lower layers for delivery.


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LLC is implemented in software, and its implementation is independent of the hardware. MAC constitutes the lower sublayer of the data link layer. The specifics are specified in the IEEE Uploaded By t2true.

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This is typically between the networking software and the device hardware. The LLC sublayer takes the network protocol data, which is typically an IPv4 packet, and adds control information to help deliver the packet to the destination node. The LLC is used to communicate with the upper layers of the application, and transition the packet to the lower layers for delivery.

For the layer 2 protocols as with all 802 ieee

LLC is implemented in software, and its implementation is independent of the hardware. The specifics are specified in the IEEE Data encapsulation provides three primary functions:. This process provides synchronization between the transmitting and receiving nodes.

CCNA 1 DATA LINK LAYER Fundamentals CHAPTER SEVEN

Each Ethernet header added in the frame contains the physical address MAC address that enables a frame to be delivered to a destination node. After reception of a frame, the receiving node creates a CRC to compare to the one in the frame.


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If these two CRC calculations match, the frame can be trusted to have been received without error. The use of frames aids in the transmission of bits as they are placed on the media and in the grouping of bits at the receiving node.