![]() We need to replace the gateway router and also need to configure default gateway on every host. Hosts can have only one default gateway configured at a time, so when that router fails, hosts will lose connectivity. But what happens if the gateway router is unavailable? Yes, it is also possible to have redundant topology to connect different networks together.Įvery host connected to the organization's network must use a router, which acts as the host's default gateway to the Internet. But is it possible for multiple routers too? In local area networks (intranet), we use multiple switches for redundancy. To have a dependable network, we must build a redundant one. By keeping operations running all the time, it boosts productivity. Network redundancy assures business continuity by avoiding failure of the network. Redundancy plays a vital role in networking. Before learning about FHRP (First Hop Redundancy Protocol), a network engineer must understand why redundancy is even required in networking.
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