An administrator needs to configure a router so that hosts on a different subnet can automatically obtain their network settings from a server located elsewhere in the network. Which command should be used to enable this functionality?
Activate proxy ARP on the router interface.
Enable local address assignment on the router with the 'service dhcp' command.
Use the 'ip helper-address' command on the router interface connected to the hosts.
Configure a static route to the network where the server is located.
The ip helper-address command should be applied on the router interface connected to the hosts needing network settings. This command tells the router to forward broadcast requests for certain protocols, including those used for automatic network configuration (DHCP), to a specified address. This allows hosts on one subnet to receive configurations from a server on another subnet. Configuring a static route only provides a pathway to the server's network but doesn't forward broadcast requests. Enabling the router's local address assignment with service dhcp turns the router into a DHCP server, which isn't the requirement here. Activating proxy ARP allows the router to respond to ARP requests on behalf of another device, which doesn't facilitate the automatic distribution of network settings across subnets.
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What is the purpose of the 'ip helper-address' command?
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How does DHCP work with the 'ip helper-address' in a multi-subnet environment?
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What other protocols can 'ip helper-address' forward aside from DHCP?
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