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Ubuntu Unleashed 2013 Edition: Covering 12.10 and 13.04, Eighth Edition by Matthew Helmke

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How DHCP Works

DHCP provides persistent storage of network parameters by holding identifying information for each network client that might connect to the network. The three most common pairs of identifying information are as follows:

Network subnet/host address—Used by hosts to connect to the network at will

Subnet/hostname—Enables the specified host to connect to the subnet

Subnet/hardware address—Enables a specific client to connect to the network after getting the hostname from DHCP

DHCP also allocates to the client’s temporary or permanent network (IP) addresses. When a temporary assignment, known as a lease, elapses, the client can request to have the lease extended, or, if the address is no longer needed, the client can relinquish ...

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