/etc/dhcp/dhcpd.conf

ddns-update-style none;
default-lease-time 3600;
max-lease-time 7200;
authoritative;
log-facility local7;

subnet 192.168.25.0 netmask 255.255.255.0 {
}

##Assumes 50-125 for workstations; 126-200 for IPPhones, 200-254 for unmanaged devices
subnet 192.168.26.0 netmask 255.255.255.0 {
        range           192.168.26.200          192.168.26.254; ##For foreign computers only
        option          routers                 192.168.26.1;
        option          domain-name-servers     192.168.26.10;
        option          ntp-servers             192.168.26.10;
        option          tftp-server-name        "ftp://phnmgr:ConvertThem@pbx.computerisms.com";
        option          domain-search           "computerisms.com";
}

host adminlian {
        hardware        ethernet                08:00:27:74:4e:c3;
        fixed-address                           192.168.100.50;
}

subnet 192.168.27.0 netmask 255.255.255.0 {
        range           192.168.27.100          192.168.27.254;
        option          routers                 192.168.27.1;
        option          domain-name-servers     192.168.27.1;
        option          domain-name             "computerisms.com";
        option          domain-search           "computerisms.com";
}