Juan Antonio García Moreno <
[hidden email]> wrote:
> I have inherited a network installation that has a ISC DHCP Server and a Bind9.
Always fun inheriting something like that.
> When I have saw the DHCP config file (dhcpd.conf), I have missed because the host definitions are as follow:
>
> host pc-user-01 {
> hardware ethernet fa:ba:da:26:bb:5a;
> fixed-address pc-user-01.dominio.com;
> }
>
> And on the DNS config file are the IP Address definition as follow:
>
> Direct resolution --> pc-user-01 A 192.168.100.100
> Reverse resolution --> 100 IN PTR pc-user-01.dominio.com.
>
> I everytime have configured the host definition as follow:
>
> host pc-user-01 {
> hardware ethernet fa:ba:da:26:bb:5a;
> fixed-address 192.168.100.100;
> }
>
> I have searched information about this way to configure the host definition and I haven't found nothing about to configure a name in the fixed-address parameter instead an IP Address.
>
> Is this way to configure the host definition correct?
Either way is correct. If you use a name then it will be resolved at daemon startup time.
> Where is the documentation that explain this?
You need to be looking at man "dhcpd.conf". I find the following bits that are relevant :
> As you can see in Figure 2, you can specify host addresses in parameters using their domain names rather than their numeric IP addresses.
The fixed-address declaration
...
> Each address in the fixed-address declaration should be either an IP address or a domain name that resolves to one or more IP addresses.
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