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Historically, the main reason for purchasing hubs rather than switches was their price. By the early 2000s, there was little price difference between a hub and a low-end switch. [11] Hubs can still be useful in special circumstances: For inserting a protocol analyzer into a network connection, a hub is an alternative to a network tap or port ...
Switch monitoring (SMON) is described by RFC 2613 and is a provision for controlling facilities such as port mirroring. [30] RMON [31] sFlow; These monitoring features are rarely present on consumer-grade switches. Other monitoring methods include connecting a layer-1 hub or network tap between the monitored device and its switch port. [32]
A fully switched network is a computer network which uses only network switches rather than Ethernet hubs on Ethernet networks. [1] The switches provide a dedicated connection to each workstation. A switch allows for many conversations to occur simultaneously.
In a modern Ethernet, the stations do not all share one channel through a shared cable or a simple repeater hub; instead, each station communicates with a switch, which in turn forwards that traffic to the destination station. In this topology, collisions are only possible if station and switch attempt to communicate with each other at the same ...
A collapsed backbone (also known as inverted backbone or backbone-in-a-box) is a type of backbone network architecture. In the case of a collapsed backbone, each location features a link back to a central location to be connected to the collapsed backbone. The collapsed backbone can be a cluster or a single switch or router.
Hub with three MDI-X ports and one switchable port, circa 1998 Switch showing one logical port, 16, with two physical ports, one in each conductor arrangement: MDI-X (the norm for a hub or switch), labelled 16x, and MDI, labelled Uplink, for connecting to another hub or switch with a normal straight-through cable
An infrastructure node (a hub or a switch) accordingly uses a connector wiring called MDI-X, transmitting on pins 3 and 6 and receiving on pins 1 and 2. These ports are connected using a straight-through cable so each transmitter talks to the receiver on the other end of the cable.
Equipment, such as an Ethernet hub or modem with serial interface, that operates only below the data link layer does not require a network address. [ 2 ] If the network in question is the Internet or an intranet , many physical network nodes are host computers, also known as Internet nodes , identified by an IP address , and all hosts are ...
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