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{{Admon/caution|Draft LabTHIS IS AN OLD VERSION OF THE LAB|'''This lab has NOT been released for regular distributionis an archived version. When the lab is ready to be released, Do not use this caution banner will disappearin your OPS235 course.'''}}
= Setting Up, Using & Maintaining a DHCP Server =
{{Admon/important | Backup your VMs before proceeding | If you did not do it at the end of Lab 7, stop all of your VMs and backup your VM disk images.}}
{{Admon/note |ISC DHCP packages Overview | The version of DHCP server that comes with CentOS is maintained and distributed by the Internet Software Consortium (http://www.isc.org). The source package that you can download from ISC includes not only the DHCP server, but also a DHCP client and a DHCP relay agent. CentOS, Fedora separates it into two RPM packages: the DHCP client package and the DHCP server package. The DHCP client package is installed by default by the workstation installation.}}
=== Investigation 1: How do you install the DHCP Server? ===
=== Investigation 6: Where does the dhcp server store a record of leased addresses?===
{{Admon/note | Use your fedora2 centos2 and fedora3 centos3 VMs | Complete the following steps on your fedora2 centos2 and fedora3 VM'scentos3 VMs.}}
# If your fedora3 centos3 DHCP server successfully issued the proper IP address configuration values to fedora2centos2, check the file called <code>/var/lib/dhcpd/dhcpd.leases</code>
# You should see contents similar to:
<pre>
</pre>
{{Admon/note | Purpose of <code>dhcpd.leases</code> File | dhcpd records address leases in this file. If the service is restarted it reads in the file to know which addresses are currently leased and for how long.}}
<ol><li value="3">On the client fedora2 centos2 check the contents of the <code>/var/lib/dhclient</code> directory. The files in this directory is where the dhclient stores its record of leases.</li>
</ol>
