Network Switch - The Basics

The network switch plays an integral role incheaper than the fully managed breed. Some basic
enterprise and home networking, yet many peoplefunctions often found on a smart switch are turning
confuse what the purpose of the equipment is, andsome particular port range on or off, link speed and
how it differs from a router. I decided to write thisduplex settings and priority settings for ports
blog post to explain the basics of the switch - from- Enterprise Managed Switches: Enterprise switches
different types, to vendors for purchasing them.are the more configurable and expensive version of
A brief overview of network switchesmanaged switches. They are most often found in
A network switch is a type of computer networkingenterprise networks among several other switches.
hardware that bridges network segments. It isThey are more efficient for large business where
sometimes referred to as a packet switch or simplyaccessing a central administration module can save
a switch. The switch plays an important componenttime and money. Some advanced functions for
in most local area networks (LAN), includingenterprise switches are VLAN settings, link
mid-to-large enterprise networks which utilize severalaggregation and port mirroring.
linked managed switches.Buying switches
A switch is far less sophisticated than a router.There are several brand name switch manufacturers
Although routers and switches look fairly similar inthat provide competing and differentiated products,
appearance, routers differ substantially in their internalincluding Cisco, 3Com, and Alcatel. While switches can
components.be purchased out of the box from online retailers,
one way to save money is to find a used switch
Types of network switchesfrom an online reseller. A business purchaser can
Unmanaged Switches: This is typically the leastoften save thousands of dollars purchasing used cisco
expensive type of switch, most often found inor other brand name network hardware.
homes or small offices. They are very simple,If you do decide to go the route of an online reseller,
employing plug and play technology, lacking anybe sure to check for several qualifying factors to
specific configuration optionsmake sure they are a good fit. One factor is a good
Managed Switches: Managed Switches providewarranty, as it is always a risk to buy used
optional configuration options and allow for a greatequipment. Another is significant discounts (at least
variety of functionality. There are several ways to50%) off of retail pricing. The third factor I
operate these switches, from utilizing a remote toolrecommend seeking in an online network hardware
like Simple Network Management Protocol (SNMP), tovendor is good customer support. The ability to
accessing the switch via a command line interface likespeak to a human being for help with your purchase
Telnet.is underrated.
- Smart Switches: Smart switches differ from fullyI hope this ‘basic switch support’ post helps
managed switches in that they only allow a specificout those that are confused or looking for a way to
set of modifications and functionality. Because userspurchase a switch.
can only configure basics settings, they are often