dhcpd.conf logical hierachy

[Bill Shirley]

Do not define static address in a pool and define your hosts outside
your subnet:

authoritative; use-host-decl-names on; server-name "equilibri.cpu.actiu.net"; subnet 172.16.0.0 netmask 255.255.0.0 { option 
routers 172.16.20.100; option broadcast-address 172.16.255.255; option domain-name-servers 172.16.21.61; option ntp-servers 
172.16.20.100; pool { # IP range to be assigned dinamically range 172.16.20.150 172.16.20.189; allow unknown-clients; } } group 
MyReservations {     host printer_1 {  # Impressora         hardware ethernet **:**:**:**:**:**;         fixed-address 
172.16.20.201;         option host-name "printer_1";     } }

Your group statement above is not needed, it doesn't add
any configuration.

However...

group MyReservations { default-lease-time 21600; # 6 hours     host printer_1 {  # Impressora         hardware ethernet 
**:**:**:**:**:**;         fixed-address 172.16.20.201;         option host-name "printer_1";     }     host printer_2 {  # 
Impressora         hardware ethernet **:**:**:**:**:*2;         fixed-address 172.16.20.202;         option host-name 
"printer_2";     } }

This will give out a different default lease time for every device in the group.

Bill


On 10/14/2017 12:00 PM, Narcis Garcia wrote:
> In a Debian 9 host, I receive warnings like:
> Dynamic and static leases present for 172.16.20.201.
> Remove host declaration printer_1 or remove 172.16.20.201
> from the dynamic address pool for 172.16.0.0/16
>
> I'm trying to combine static reservations with dynamic assignment in
> same subnet:
>
> authoritative;
> use-host-decl-names on;
> server-name "equilibri.cpu.actiu.net";
> subnet 172.16.0.0 netmask 255.255.0.0 {
>          option routers 172.16.20.100;
>          option broadcast-address 172.16.255.255;
>          option domain-name-servers 172.16.21.61;
>          option ntp-servers 172.16.20.100;
>          pool {
>                  # IP range to be assigned dinamically
>                  range 172.16.20.150 172.16.20.189;
>                  allow unknown-clients;
>          }
>          pool {
>                  # IP range to be assigned statically
>                  range 172.16.20.0 172.16.20.149;
>                  range 172.16.20.190 172.16.20.255;
>                  deny unknown-clients;
> #                deny all clients;
>                  group MyReservations {
>                          host printer_1 {  # Impressora
>                                  hardware ethernet **:**:**:**:**:**;
>                                  fixed-address 172.16.20.201;
>                                  option host-name "printer_1";
>                          }
>                  }
>          }
> }
>
> But I've not clear if "group" and "host" work inside "pool", or what
> else is the problem.
> _______________________________________________
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