A network administrator needs to configure a router to forward packets to IP address 192.168.1.1 when the destination network is not in the routing table. Which command should be used to accomplish this?
The command ip route 0.0.0.0 0.0.0.0 192.168.1.1 sets up a default static route, which catches all traffic destined for unknown networks and forwards it to the specified next-hop address 192.168.1.1. The 0.0.0.0 0.0.0.0 represents any destination network and any subnet mask, effectively matching all possible IP addresses not explicitly covered by other routes in the routing table. Using 255.255.255.255 as a subnet mask would only match the exact IP address 0.0.0.0, which is not useful in this scenario. Placing the next-hop IP in the destination field or using the ip default-gateway command on a router would not achieve the desired outcome.
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Cisco CCNA 200-301
IP Connectivity
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