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Nairaland Forum / Science/Technology / Computers / Dynamic Host Configuration Protocol (DHCP) (571 Views)
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Dynamic Host Configuration Protocol (DHCP) by maekhel(m): 11:13pm On Oct 14, 2014 |
Now a Host’s ability to send data to all the required destinations requires a bit of information. The host needs to know the following at a minimum… • What’s my IP address? • What’s my network mask? • What are the IP addresses of the DNS servers? • What’s my default gateway? Well how do we get this information to the PC when it comes online? We’ve got two options: • Visit each workstation and configure the information manually • Enable each workstation for DHCP And sooner or later, some of that information is going to change and the hosts will need to know about these changes. If there is something I want to tell you about the future of your career maybe you are starting to get certiified or you just happened to find yourself in IT, change is constant. I’m not talking about protocol changing or more security. I mean just change on your network. You can never assume that your network will always remain the same. The day is going is going to come when you just change an IP address on the DNS Server and not many of us run a network that has 5 PC’s and if you are a network admin and you run a full time job then let me know if you are hiring. Lol because it doesn’t happen very often as you’ll have several dozens or several hundreds of PC’s. If you previously hardcoded the information on all of the hosts, you’ll now have to go out and visit every workstation again and change the information manually. You and I have better things to do with our time believe me. If you use DHCP to begin with, you now just have to change the information on the DHCP server. DHCP is starting to sound pretty good! When the choice is visiting hundred’s or thousands of host on a typical netork manually or using DHCP to dynamically handle IP address assignment information, there really is no choice. Maybe your IP addresses are static, but your DNS server is going to change someday and your gateway addresses is also going to change one day. There is nothing evil if your network uses hard coded addresses lol and I’m not insulting you in any way. I’m saying it is efficient in the long run. source: http://tutorialslodge.com/dynamic-host-configuration-protocol-dhcp/ |
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