Friday, 8 February 2013

Network Devices : Switches

Network Devices

see previous post network devices. Now, we will share about Switches.



Switches use bridging technology to forward traffic between ports.  They provide full dedicated transmission rates between two stations that are directly connected to the switch ports.  Switches also build and maintain address tables just like bridges do.  These address tables are known as “content addressable memory.” Let’s look at an example.

Replacing the two hubs and the bridge with an Ethernet switch provides the users with dedicated bandwidth.  Each station has a full 10Mbps “pipe” to the switch.  With a switch at the center of the network, combined with the 100Mbps links, users have greater access to the network. 

Given the size of the files and applications on this network, additional bandwidth for access to the sever or to the corporate intranet is possible by using a switch that has both 10Mbps and 100Mbps Fast Ethernet ports.  The 10Mbps links could be used to support all the desktop devices, including the printer, while the 100Mbps switch ports would be used for higher bandwidth needs.

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