Hubs function inside a 50 %-duplex model. The 50 %-duplex model raises security and privateness issues because it can not safeguard or quarantine targeted visitors. It also offers a useful concern concerning visitors administration: Equipment on the hub functionality to be a community segment and share a collision domain.
It cannot shop the MAC tackle with the ports and the vacation spot tackle with the body that arrived.
A hub is usually a multi-port repeater. A hub connects several wires coming from distinctive branches, for instance, the connector in star topology which connects unique stations. Hubs can't filter knowledge, so data packets 슬롯 are sent to all linked devices.