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--- computers:dhcp_server_configuration [2011/08/10 01:38] – created chkuo
+++ computers:dhcp_server_configuration [2020/08/16 00:52] (current) – chkuo
@@ Line 2: / Line 2: @@
 ===== Installation =====
-  * Package
+Download and install the package
 <code bash>
-sudo apt-get install dhcp3-server
+sudo apt-get install isc-dhcp-server
 </code>
-  * Specify the interfaces dhcpd should listen to in ''/etc/default/dhcp3-server''
+===== Configuration =====
+Specify the interfaces dhcpd should listen to in ''/etc/default/isc-dhcp-server'', for example:
 <code bash>
-INTERFACES="eth1"
+INTERFACESv4="eno1np0"
+</code>
+Edit ''/etc/dhcp/dhcpd.conf'', for example:
+<code bash>
+# /etc/dhcp/dhcpd.conf
+ddns-update-style none;
+log-facility local7;
+option domain-name-servers 192.168.1.1, 140.109.1.10, 8.8.8.8;
+default-lease-time 86400;
+max-lease-time 86400;
+subnet 192.168.1.0 netmask 255.255.255.0 {
+	option routers                  192.168.1.1;
+	option subnet-mask              255.255.255.0;
+	option broadcast-address        192.168.1.255;
+	range 192.168.1.200 192.168.1.250;
+}
+# printer
+host poplar {
+	hardware ethernet XX:XX:XX:XX:XX:XX;
+	fixed-address 192.168.1.11;
+}
+# server
+host oak {
+	hardware ethernet XX:XX:XX:XX:XX:XX;
+	fixed-address 192.168.1.21;
+}
+# workstation
+host sage {
+	hardware ethernet XX:XX:XX:XX:XX:XX;
+	fixed-address 192.168.1.101;
+}
+</code>
+===== Activation =====
+To start/stop/restart the service:
+<code bash>
+sudo service isc-dhcp-server start
+sudo service isc-dhcp-server stop
+sudo service isc-dhcp-server restart
+</code>
+===== Monitoring =====
+To check dhcpd status:
+<code bash>
+sudo service isc-dhcp-server status
+</code>
+To see the leases:
+<code bash>
+more /var/lib/dhcp/dhcpd.leases
 </code>
 ===== References =====
   * [[https://help.ubuntu.com/10.04/serverguide/C/dhcp.html]]
+  * [[https://help.ubuntu.com/community/dhcp3-server]]
+  * [[http://wiki.ubuntu-tw.org/index.php?title=UbuntuTW_Guide_ch15]]