DHCP : Configure DHCP Server2023/12/21 |
Configure DHCP ( Dynamic Host Configuration Protocol ) Server to assign IP addresses to client hosts in local network.
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[1] | Install and Configure DHCP. On this example, it shows only for IPv4 configuration. |
root@dlp:~ #
pkg install -y isc-dhcp44-server
root@dlp:~ #
mv /usr/local/etc/dhcpd.conf /usr/local/etc/dhcpd.conf.org root@dlp:~ # vi /usr/local/etc/dhcpd.conf # create new # specify domain name option domain-name "srv.world"; # specify DNS server hostname or IP address option domain-name-servers dlp.srv.world; # default lease time default-lease-time 600; # max lease time max-lease-time 7200; # this DHCP server to be declared valid authoritative; # specify network address and subnetmask subnet 10.0.0.0 netmask 255.255.255.0 { # specify the range of lease IP address range dynamic-bootp 10.0.0.200 10.0.0.254; # specify broadcast address option broadcast-address 10.0.0.255; # specify gateway option routers 10.0.0.1; } echo 'dhcpd_enable="YES"' >> /etc/rc.conf root@dlp:~ # service isc-dhcpd start
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[2] | It's possible to see leased IP address in the file below from DHCP Server to DHCP Clients. |
root@dlp:~ # ls -l /var/db/dhcpd total 14 drwxr-xr-x 2 dhcpd dhcpd uarch 4 Dec 21 09:02 ./ drwxr-xr-x 14 root wheel uarch 19 Dec 21 09:02 ../ -rw-r--r-- 1 dhcpd dhcpd uarch 1147 Dec 21 09:13 dhcpd.leases -rw-r--r-- 1 dhcpd dhcpd uarch 0 Dec 21 09:02 dhcpd.leases~root@dlp:~ # cat /var/db/dhcpd/dhcpd.leases # The format of this file is documented in the dhcpd.leases(5) manual page. # This lease file was written by isc-dhcp-4.4.3-P1 # authoring-byte-order entry is generated, DO NOT DELETE authoring-byte-order little-endian; server-duid "\000\001\000\001-\026=0RT\000c\222\344"; lease 10.0.0.200 { starts 4 2023/12/21 00:03:54; ends 4 2023/12/21 00:13:54; cltt 4 2023/12/21 00:03:54; binding state active; next binding state free; rewind binding state free; hardware ethernet 52:54:00:c6:38:d1; uid "\001RT\000\3068\321"; client-hostname "localhost"; } ..... ..... |
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