A network router is not forwarding packets to destinations outside the internal network. The routing table shows no specific routes to external networks. What action should the network administrator take to enable internet connectivity?
Enable OSPF routing protocol
Reduce the router's administrative distance
Configure a default route to the ISP's next-hop IP address
To allow the router to forward packets to unknown destinations such as the internet, the network administrator should configure a default route pointing to the ISP's next-hop IP address. This default route acts as the gateway of last resort, used when there is no matching route in the routing table for a destination. Enabling OSPF routing protocol would not solve the problem unless it learns routes to external networks, and modifying administrative distance or metrics would not introduce a route to unknown destinations.
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Cisco CCNA 200-301
IP Connectivity
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