I was reading a murder mystery yesterday where a critical plot point was that the villain's MAC address was captured in Apache logs. That appears to be nonsense: IP address yes, MAC, no. He was ...

No matter what the data rate or distance of span, all of these links must be monitored and tested to ensure that both physical and data link layer functionality are within specification. Direct Attach ...

The Data Link Layer is one of my favorite layers of the OSI Model. ... Physically, everything looked good, but I couldn’t seem to get the devices talking on the network.

Lying data link: Let multiple links appear as one. ... Larger or more complex networks tend to need network layer (OSI Layer 3) devices for speed and flexibility.

When two computers or other networked devices need to speak with one another, a session needs to be created, and this is done at the Session Layer. ... Layer 2: Data Link.

The Logical Link Control (LLC) is an interface to the Media Access Control (MAC) layer. The MAC is also hardware, because the functions are embedded in the transceiver chips. See IEEE 802 , SNA ...

Burnaby, B.C. – PMC-Sierra has added two CMOS link layer devices to its POS-PHY Level 3 physical layer portfolio for data streams from OC-3 to OC-48. The four-channel PM5358 S/UNI-4×622 link ...

Physical and Data Link Layers: Handled by network interfaces and device drivers. Network Layer: Managed by the kernel’s IP stack. Transport Layer: Managed by protocols like TCP and UDP within the ...

Interfaces between physical (PHY) layer and link layer devices typically operate at 700 to 800 Mbps, and the interconnect to the switch fabric operates at up to 1.6 times the line rate, or 1 Gbps for ...

The technical name of a frame of data transmitted over the data link layer (layer 2) in a communications network. Ethernet and Token Ring are examples of this layer. Many people neither use the ...