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CCENT/CCNA ICND1 100-101 Official Cert Guide by Wendell Odom

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Installing Enterprise Routers

A typical enterprise network has a few centralized sites as well as lots of smaller remote sites. To support devices at each site (the computers, IP phones, printers, and other devices), the network includes at least one LAN switch at each site. Additionally, each site has a router, which connects to the LAN switch and to some WAN link. The WAN link provides connectivity from each remote site, back to the central site, and to other sites through the connection to the central site.

Figures 15-1 and 15-2 show contrasting ways to draw parts of an enterprise network. Both show a typical branch office on the left, with a router and some end-user PCs. The central site, on the right, has basically the same components, plus ...

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