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Behind Mobile LTE: Core Network

LTE mobile broadband networks might look like an obvious job for a Wireless Network Engineer. And in fact, wireless knowledge is essential when optimizing the service itself. But underneath the antennas, the Core Network Engineer is the one that ensures full connectivity in the entire mobile network. Although 3G was …

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How to Configure HSRP on a Cisco Router (with GSN3 lab)

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Hot Standby Routing Protocol or HSRP, is a Cisco proprietary protocol that allows two or more routers to work together to represent a single IP address for a particular network. HSRP, as well as Virtual Route Redundancy Protocol (VRRP) are considered high-availability network services that allow for almost immediate fail …

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