Router Firmware

What Does Router Firmware Mean?

Router firmware is the preinstalled, embedded software that manages the control of routing protocols, administrative features and the router’s security mechanism. Firmware is the most essential software in a router’s read-only memory (ROM).

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Techopedia Explains Router Firmware

Firmware is primarily used to operate the router and works as an operating system by providing an interface, protocol configuration and security settings. It allows the router to be configured and customized according to the network operating environments.

Firmware cannot be deleted by a user; it can only be replaced by a newer version provided by the vendor.

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Margaret Rouse
Technology Expert

Margaret is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical business audience. Over the past twenty years, her IT definitions have been published by Que in an encyclopedia of technology terms and cited in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine, and Discovery Magazine. She joined Techopedia in 2011. Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages.