Switching

                     SwitchSwitch is  a centerlize device which connect multiple host together.  A network switch is a small hardware device that joins multiple computers together within one local area network (LAN). Technically, network switches operate at layer two (Data Link Layer) of the OSI model. there are  Two types of switches.>>1.    Non catalyst ( non manageable  ) switch>>2.   Catalyst  ...

Complete book of cisco routing commands

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basic of Router

Router Commands OverviewIn this section you will learn about the router commands, configurations, privileged mode commands, routing protocols, cisco labs and network configurations.There are hundreds of basic and advance level commands of a router. It is not easy to remember all the commands. But some commands are frequently used and can be remembered with some practice. I have provided a list of the most commonly used commands based on their features and usage.  ...