A core router is a router designed to operate in the Internet backbone, or core.

Juniper Networks entered the business in 1996, focusing primarily on core routers.

In addition, several new companies attempted to develop new core routers in the late 1990s.

It was during this period that the term "core router" came into wide use.

Marconi (still in business, not making core routers)

In 2001, Frame joined a core router start-up company called Procket Networks as a consulting engineer.

Also, there are core routers that carry routes in the hundreds of thousands because they contain the Internet routing table.

With hierarchical routing, only core routers connected to the backbone are aware of all routes.

The locations of the core routers are statically configured.

A core router on the Internet backbone.