Digital decided to license its MAC Bridge patent in a royalty-free, non-discriminatory basis that allowed IEEE standardization. The company subsequently produced multi-port switches for both Ethernet and FDDI such as GigaSwitch. The first 2 port Bridge product (LANBridge 100) was introduced by that company shortly after. ![]() The first MAC Bridge was invented in 1983 by Mark Kempf, an engineer in the Networking Advanced Development group of Digital Equipment Corporation. ![]() Switches for Ethernet are the most common form of network switch. Such switches are commonly known as layer-3 switches or multilayer switches. ![]() Some switches can also forward data at the network layer (layer 3) by additionally incorporating routing functionality. Avaya ERS 2550T-PWR, a 50-port Ethernet switchĪ network switch (also called switching hub, bridging hub, and, by the IEEE, MAC bridge ) is networking hardware that connects devices on a computer network by using packet switching to receive and forward data to the destination device.Ī network switch is a multiport network bridge that uses MAC addresses to forward data at the data link layer (layer 2) of the OSI model.
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