and Layer 2 Tuneling Protocol, that can carry Ethernet frames over IP. Tunneling is useful for carrying nonroutable legacy protocols, or IP packets with private addresses. Classical data link ...

Ethernet is a layer 2 data link protocol that is widely used with the TCP/IP protocol, which resides at layers 3 and 4. To understand network communications, it is essential to learn about the ...

The network stack places packets directly into the QDisc or else pushes back on the upper layers (for example, socket buffer) if the queue is full. The obvious question that follows is what happens ...

Known as a "layer 2 protocol," the data link protocol is responsible for ensuring that the bits and bytes received are identical to the bits and bytes sent. For example, in a local network ...

The layers help network pros visualize what is going on ... Routers at this layer help do this efficiently. Layer 2: Data Link The Data Link Layer provides node-to-node data transfer (between ...