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IEEE 802.3 is a working group and a collection of standards defining the physical layer and data link layer's media access control (MAC) of wired Ethernet.The standards are produced by the working group of the Institute of Electrical and Electronics Engineers (IEEE).
The physical-layer specifications of the Ethernet family of computer network standards are published by the Institute of Electrical and Electronics Engineers (IEEE), which defines the electrical or optical properties and the transfer speed of the physical connection between a device and the network or between network devices.
The entire network is one collision domain, and all hosts have to be able to detect collisions anywhere on the network. This limits the number of repeaters between the farthest nodes and creates practical limits on how many machines can communicate on an Ethernet network.
The Ethernet frame used in LLDP typically has its destination MAC address set to a special multicast address that 802.1D-compliant bridges do not forward. Other multicast and unicast destination addresses are permitted. The EtherType field is set to 0x88cc. Each LLDP frame starts with the following mandatory TLVs: Chassis ID, Port ID, and Time ...
Terabit Ethernet (TbE) is Ethernet with speeds above 100 Gigabit Ethernet. The 400 Gigabit Ethernet ( 400G , 400GbE ) and 200 Gigabit Ethernet ( 200G , 200GbE ) [ 1 ] standard developed by the IEEE P802.3bs Task Force using broadly similar technology to 100 Gigabit Ethernet [ 2 ] [ 3 ] was approved on December 6, 2017.
These suggestions are designed to help with broadband connections only. If you don't have broadband, you'll need to try other steps to fix problems with a dial-up internet connection.
A collision domain is a network segment (connected by a shared medium or through repeaters) where simultaneous data transmissions collide with one another as a result of more than one device attempting to send a packet on the network segment at the same time.
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