option domain-name-servers @ManagerIp;
max-lease-time 86400;
ddns-update-style none;
default-lease-time 86400;
local-address @ManagerIp;
class "pxe"{
    match if substring(option vendor-class-identifier,0,9) = "PXEClient";
    filename "@bootFile";
    next-server @ManagerIp;    #tftp server
}
subnet @network netmask @mask{
    #option routers @ManagerIp;
@hostContent
    option broadcast-address @broadcast;
    option subnet-mask @mask;
    allow unknown-clients;
    filename "@bootFile";
    next-server @ManagerIp;    #tftp server
}