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. 15 May 2018. <http://www.yourdictionary.com/core-router>.
core router. (n.d.). Retrieved May 15th, 2018, from http://www.yourdictionary.com/core-router