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Data Link Layer

The data link layer is layer two in the Open Systems Interconnection (OSI) model, this layer is used for nodes communicating over a single network such as a LAN, layer two packets cannot be transmitted from one network to another. The address system that the data link layer uses is the MAC address, these are 48-bit addresses that are assigned to each network interface, on each network the MAC address must be unique.

Author Mel Hawthorne

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The Experts Behind Technipages

My name is Mitch Bartlett. I've been working in technology for over 20 years in a wide range of tech jobs from Tech Support to Software Testing. I started this site as a technical guide for myself and it has grown into what I hope is a useful reference for all.

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