DHCP на Linux с привязкой по MAC:
Установил dhcp v.3.0.6
Вначале прописал в /etc/sysconfig/dhcpd:
DHCPD _INTERFACE="eth0" # на каком интерфейсе будет сервис

Настройки /etc/dhcpd.conf:
authoritative; #main DHCP on Lan
ddns-update-style none;
option domain-name "west.lan";
option domain-name-servers 192.168.7.1, 195.14.50.1;
# Arenda IP 1 mount
default-lease-time 2592000;
max-lease-time 2592000;
log-facility local7;

subnet 192.168.7.0 netmask 255.255.255.0 {
#range 192.168.7.9 192.168.7.100; # не стал использовать
option routers 192.168.7.1;

host pc_02
{
hardware ethernet 00:04:61:A5:FD:09;
fixed-address 192.168.7.23;
}

host IN
{
hardware ethernet 00:1E:58:2C:32:94;
fixed-address 192.168.7.25;
}

host secretar
{
hardware ethernet 00:10:22:FF:59:C3;
fixed-address 192.168.7.10;
}

host sokolov
{
hardware ethernet 00:1E:58:45:6B:2C;
fixed-address 192.168.7.22;
}

host urist_artur
{
hardware ethernet 00:1E:8C:7E:AC:01;
fixed-address 192.168.7.90;
}
}