isc-dhcp

# ifconfig

ens3      Link encap:Ethernet  HWaddr 52:54:01:6d:da:27
          inet addr:44.14.23.79  Bcast:44.14.23.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:2621128 errors:0 dropped:264 overruns:0 frame:0
          TX packets:18814 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:173873294 (173.8 MB)  TX bytes:1417413 (1.4 MB)

ens9      Link encap:Ethernet  HWaddr 52:54:04:7f:f7:e2
          inet addr:192.168.0.79  Bcast:192.168.0.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:2601260 errors:0 dropped:385 overruns:0 frame:0
          TX packets:10 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:135905550 (135.9 MB)  TX bytes:828 (828.0 B)





# cat /etc/default/isc-dhcp-server

# Defaults for isc-dhcp-server initscript
# sourced by /etc/init.d/isc-dhcp-server
# installed at /etc/default/isc-dhcp-server by the maintainer scripts

#
# This is a POSIX shell fragment
#

# Path to dhcpd's config file (default: /etc/dhcp/dhcpd.conf).
#DHCPD_CONF=/etc/dhcp/dhcpd.conf

# Path to dhcpd's PID file (default: /var/run/dhcpd.pid).
#DHCPD_PID=/var/run/dhcpd.pid

# Additional options to start dhcpd with.
#   Don't use options -cf or -pf here; use DHCPD_CONF/ DHCPD_PID instead
#OPTIONS=""

# On what interfaces should the DHCP server (dhcpd) serve DHCP requests?
#   Separate multiple interfaces with spaces, e.g. "eth0 eth1".
INTERFACES="ens9"






# cat /etc/dhcp/dhcpd.conf

ddns-update-style none;
option domain-name-servers 8.8.4.4, 8.8.8.8;

authoritative;

subnet 192.168.16.0 netmask 255.255.255.0 {
  option routers 192.168.16.1;
  use-host-decl-names on;
  range 192.168.16.100 192.168.16.200;
  next-server 192.168.16.1;
  ping-check = 1;
  filename = "pxelinux.0";
}