Then, using information in its routing table or routing policy, it directs the packet to the next network on its journey. When a data packet comes in on one of the lines, the router reads the network address information in the packet header to determine the ultimate destination. Ī router is connected to two or more data lines from different IP networks. the Internet) until it reaches its destination node. A packet is typically forwarded from one router to another router through the networks that constitute an internetwork (e.g. Data sent through a network, such as a web page or email, is in the form of data packets. Routers perform the traffic directing functions between networks and on the global Internet. Rack containing a service-provider–class router connected to multiple networksĪ router is a networking device that forwards data packets between computer networks. For the woodworking tool, see Router (woodworking). This article is about the network device.
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