DHCP Reservations
A DHCP reservation is a predefined relationship between an IP address and a system’s MAC address. This configuration allows a system to remain configured for DHCP, but it will always get the same IP address that is predefined or reserved for it, hence the name reservation. Reservations are quite useful on business networks for mobile devices and printers; the mobile device or printer can always be contacted at the same IP address for access and for remote management and so on. The flip side is that if that printer or mobile device moves to another office or network, it will be DHCP ready and will connect to the network without manual network configuration.
Using DHCP reservations along with link-layer filtering allows a DHCP ...
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