Switch is a center device used to connect multiple computer each other for sharing data information. Switch is a intelligence device it is up gradation of bridge. Switch work on the Data Link layer of the OSI Model on the basis of the MAC address. Switch can run in full-duplex mode. switch automatically create MAC table itself. whenever any PC connect with switch then MAC address of PC updated in the MAC table of switch.
Switch In Computer Networking
Its a full duplex device, Switch is used to filter and forward packet on the Network. It has advance feature comparison to Hub because hub is not filter packet.
There are two Type of Switch
1. Layer 2 Switch
3. Layer 3 Switch
See also: Mac address, OSI model