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6. Network Administration > Lesson 1: Ensuring DHCP availability

Lesson 1: Ensuring DHCP availability

DHCP provides a way to dynamically assign IP addresses and other parameters to hosts on a TCP/IP network. DHCP is designed to work automatically and relieves much of the management overhead associated with manually assigning static addresses to network hosts. DHCP servers play a critical role in ensuring hosts such as servers, clients, and printers on a TCP/IP network can communicate with each other.

Because DHCP leases addresses only for a specified amount of time, these leases need to be periodically renewed if the hosts are to continue communicating on the network. Although the DHCP lease renewal process has some degree of tolerance for DHCP server downtime built into it, ensuring the availability of DHCP servers on your network is nevertheless essential so that they can respond in a timely manner to lease renewal requests from network hosts. Otherwise, the possibility exists that some hosts might not be able to renew their addresses and therefore won’t be able to participate on the network.


  

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