Configuring an ip dhcp helper address

How IP. helper address works và what is the difference between dhcp and IP. helper-address .please explain in brief.

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Using the ip helper-address comm& sets up a DHCPhường relay. DHCPhường only works on the LAN to which it is connected because it uses broadcast, which cannot cross a router. To remedy that situation, DHCP.. relay was created. It gives DHCP an option so that a router intercepts the DHCP.. client"s broadcast request, creates a unicast request to the DHCP.. VPS on a different LAN, & the DHCP hệ thống can give sầu a unicast response to the router based on the DHCP option, that then passes on the DHCP response khổng lồ the requesting DHCP. client.

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To add to lớn Ron"s great answer:

The key piece of this is that the Router sending the DHCPhường request on behalf of the client will unicast the request with a source address from the address space the client is in (the interface the relay/helper-address is configured on). This is ensures the DHCP.. VPS offers an IP. from the correct scope.


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