Monday, 27 November 2017

Major Components of a Router



Major Components of a Router


•Random access memory (RAM) contains the software and data structures that allow the router to function. The principle software running in RAM is the Cisco IOS image and the running configuration.

•Read-only memory contains microcode for basic functions to start and maintain the router.

•Flash is primarily used to contain the IOS software image. Some routers run the IOS image directly from Flash and do not need to transfer it to RAM.

•Non-volatile random access memory is mainly used to store the configuration. NVRAM uses a battery to maintain the data when power is removed from the router.

•Configuration Register The configuration register is used to control how the router boots up.
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