Advantages and disadvantages of switch

A switch is a network device which transfers data only to the host where it is being addressed. This article gives the information about the advantages and disadvantages of a switch to know more details about it.

Advantages of a switch :
  • It can make use CAM table for a port to MAP mapping
  • It helps in logical segmentation by supporting VLANs
  • The number of broadcast domains gets decreases
  • Support centralized management
  • They help in reducing the workload on individual host PCs
  • Permit multiple simultaneous conversations
  • Fairer than connection based technology
  • Switch interconnected individual node and also controlled access to media
  • Switches can be connected directly to work station
  • A network which uses switch will have fewer frame collisions
  • They increase the available bandwidth of the network
Disadvantages of a switch :
  • High cost 
  • Failure of switch bridge down the network
  • When we use a switch, a network connectivity problem can be difficult to trace through a switch
  • Broadcast traffic may be troublesome
  • While uses a limited broadcast, they are not as good as routers
  • Proper design and most important configuration is needed in order to handle multicast packets
  • If a switch is in promiscuous, they are vulnerable to security attacks