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How do backup routers know to take over data transfers?

April 26, 2017backup Data routers transfers

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How do backup routers know to take over data transfers?

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When a router failure occurs, a router will fail to receive packets of data for a prolonged period of time. With the VRRP, a backup router watches the master router for this indication. If no packets of data have been received after a certain amount of time, the backup router is able to step in.