28 April 2018

Difference between Hub and Switch

This article gives information about like layers, purpose, functionality, number of the port, speed, cost, elements to know more details about hub and switches.
  • Hub uses physical layer, Switch uses a data link layer.
  • Hub is a passive device, Switch is an active device.
  • Hub is to connect a network of personal computers together, they can be joined a central hub while Switch is to allow connection to multiple devices, manage ports and also have manage VLAN security settings.
  • In when we use hub electronics device that connects many networks device together so that device can exchange data while using networks switches is a computer networking device that is used to connect many more devices together on a computer network.
  • When we are using Hub data transmission using electrical signal or bits while When we are using switch data transmission using frame and packet.
  • Hub has 4/12 port while switches are multiport bridges that have 24/8 port.
  • Hub cannot learn or store MAC address and switch store MAC addresses in a lookup table.
  • In using hub speed up to 10 Mbps, using switch speed up to 10/100 Mbps or 1 Gbps.
  • A switch is an intelligent device, a hub is not an intelligent device.
  • Hub has one broadcast domain while a switch is one broadcast domain (unless VLAN implemented.
  • When we use switches many spanning-tree is possible and when we use hub there is no spanning-tree is possible.
  • When we have use hub transmission mode has a half duplex and when we use switches transmission mode has half/full duplex.
  • Sun system, Oracle, and Cisco are the manufactures of the hub while Cisco and D-link juniper are manufactures of switches.
  • Hubs were less cheap in the past but switch prices have come down significantly.
  • Switches have replaced hubs in most modern day application nowadays.
  • Collision doesn't happen in switches but are very common in hubs.
  • Bandwidth is shared among network elements causing slowdown.
  • The number of elements is severely limited for hubs as compared to switches.