Posted January 22, 2015 at 8:30 am
A network switch is a small hardware
device that links multiple computers together within one local area network,
wide area network and different network topology. Network switches work at Data
Link Layer of the OSI model.
LAN
Switch or Active Hub
Local area network or known as LAN
switches andothers called it active hubs are devices used to connect points on
a company’s internal LAN. It is also known as a data switch or an Ethernet
switch. It blocks the overlap of data packets running through a network by the
economical allocation of bandwidth. Bandwidth refers to the amount of data to
be carried from one point to another given a period of time.The active
hubdelivers the transmitted data packet before directing it to its planned
receiver. A LAN switch or an active hub reduces network congestion or
bottlenecks by distributing a package of data only to its intended recipient.
An active hub gives priority to the package of data and sends data of the
highest priority before it sends low-priority packets.
LAN
Switch
Unmanaged
Network Switches
Unmanaged network switches are
frequently used in home networks and small companies and businesses. It permits
devices on the network to connect with each other, such as computer to computer
or printer to computer in one location. An unmanaged switch does not
necessarily need to be configured or watched. They are simple and easy to set
up and needs only small cable connections. The switch’s aids over a hub are
full bandwidth to eachport, rather than destroying all the data over all the
ports like a hub, and dealing with collisions and network traffics.
Unmanaged
Network Switches
Managed
Switches
Managed switches can be customized
to enhance the functionality of a certain network. They are achieved by setting
a simple network management protocol or SNMP. Two types of managed switches
include smart switches and enterprise managed switches. Smart switches have a
limited set of management features which provide a web interface and accept
configuration of basic settings, such as virtual LAN or VLANs, port-bandwidth
and duplex.Smart switches are ideally used in fast and constant LANs, which
support gigabit data transfer and allocations.
Managed
Switches
Enterprise managed switches are also
known as fully managed switches. They have a wide ranging of management
features which includes a web interface SNMP agent and command-line interface.
Also, its features include the capability to fix, copy, transform and display
different network configurations. They are found in large companies which
contained of a large number of connections and nodes, switches and ports.
Enterprise managed switches have more features that can be modified or
enhanced, and are usually more expensive than traditional smart switches.
Router
An electronic device that sends data
packets along networks.It is connected to at least two usually two local area
network (LANs) or wide area network (WANs). Routers are located at gateways
wherein the places where two or more networks are connected.
Router
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