dhcpcd-discuss

Hi ,

when i configure my server with a fixed ip address in dhcpd.conf as below

subnet 172.21.151.0 netmask 255.255.255.0 {
  range 172.21.151.66 172.21.151.66;

}
host switch {
  hardware ethernet 00:05:30:02:DB:31;
  fixed-address 172.21.151.66;
}


when i start dhcpd server , it is assigning the ip address to some other
node in the network.
is it a expected behavior ?
if so , some on please tell me how to assign fixed ip address to a client
from dhcp server such that it wont assign to other clients the same ip
address.
i very much need it .

Thanks
Gopi Krishna P