Tianjin City Kim Tong Jian Technology Co., Ltd.: Shangluo, Shaanxi, China; Main products: High-voltage electrical appliances, power distribution cabinets, rivets, and other packaging equipment, metal building materials, aluminum and aluminum alloy material, crystal decorations.

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Home > Products > Switch cabinet accessories. > Activity base corner

Activity base corner

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Negotiable / Carton

1 Carton(Min. Order)

Payment TermsT/T L/C D/P D/A
Delivery Detail7 days

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Product Description

Work in the data link layer. The switch has a high bandwidth of the back of the bus and the internal switch fabric. Switch all the ports are attached to this back on the bus, the control circuit receives the packet, the processing port will find the memory address table to determine the destination MAC (network card hardware address) NIC (network card) mount on which port through the internal switch fabric quickly data packets to the destination port, destination MAC if there is broadcast to all ports, the switch receive port echo "learn" new address and add it into the internal MAC address table. Use switch network "segments", through the control of the MAC address table, the switch allows only the necessary network traffic through the switch. Filtering and forwarding of the switch, you can effectively reduce the collision domains, but it can not divide the network layer broadcast, that is, the broadcast domain. Data transfer between multiple ports on the switch at the same time. Each port can be regarded as a separate network segment connected on the network equipment alone to enjoy the full bandwidth, do not compete with other equipment. When sending data of the node A to node D, node B to node C at the same time to send data, and that the two transfer are entitled to the full bandwidth of the network has its own virtual connection. If used here is a 10Mbps Ethernet switch, the switch when the liquidity is equivalent to 2 × 10Mbps = 20Mbps, 10Mbps shared HUB, the liquidity of a HUB, the total will not exceed 10Mbps. In short, the switches are network devices based on MAC address recognition can complete the package forwarding packets functions. The switch can "learn" the MAC address and stored in the internal address table, through the establishment of a temporary exchange path between the originator and the intended recipient of the data frame, data frame directly from the source address of the destination address.