A router that resides within the middle of the network rather than at its periphery. The routers that make up the backbone of the Internet are core routers. See edge router and WAN router.
"core router." YourDictionary, n.d. Web. 16 August 2018. <http://www.yourdictionary.com/core-router>.
core router. (n.d.). Retrieved August 16th, 2018, from http://www.yourdictionary.com/core-router