The Importance of a Fully Specified Static Route in Efficient Routing Process

What two pieces of information are needed in a fully specified static route to eliminate recursive lookups?

In a fully specified static route, two pieces of information are needed to eliminate recursive lookups, namely the destination network address and the next-hop IP address.

1. Destination Network Address: The destination network address specifies the network IP address for which the static route is being defined. It represents the network or subnet to which the traffic needs to be forwarded.

2. Next-Hop IP Address: The next-hop IP address is the IP address of the next router or gateway in the forwarding path. It is the IP address to which the packet should be sent for further processing and forwarding towards the destination network.

When both the destination network address and the next-hop IP address are specified in a static route, the router knows precisely which network and which router should be used to reach the desired destination. This eliminates the need for recursive lookups, where the router needs to perform additional lookups to determine the next-hop for the received packet. With a fully specified static route, the router can directly forward the packet to the specified next-hop IP address without any additional processing, improving the efficiency of the routing process.

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