Someone

        default-lease-time      300;
        max-lease-time          7200;
        log-facility            local7;

subnet 192.168.1.0 netmask 255.255.255.0
{
    option domain-name "domena-1.pl";
    option domain-name-servers ip-dns;
    option subnet-mask 255.255.255.0;
    option broadcast-address 192.168.1.255;
    option routers 192.168.1.1;

host testerek           { hardware ethernet 00:00:00:00:00:00; fixed-address 192.168.1.20;}

range 192.168.1.100 192.168.1.200;
}

subnet 192.168.2.0 netmask 255.255.255.0
{
    option domain-name "domena-1.pl";
    option domain-name-servers ip-dns;
    option subnet-mask 255.255.255.0;
    option broadcast-address 192.168.2.255;
    option routers 192.168.2.1;

    host testerek2     { hardware ethernet 00:00:00:00:00:00; fixed-address 192.168.2.20;}

    range 192.168.2.100 192.168.2.150;
}