Log host identifier

[Narcis Garcia]

Thank you;

Is there some way to get the label of the host definition instead of
having to add a hostname/fqdn/identifier to each host?

(such as "printer_1" here)

host printer_1 {
	hardware ethernet 00:11:22:33:44:55;
	fixed-address 172.16.20.201;
}


El 19/10/17 a les 09:12, Bill Shirley ha escrit:
> Add logging to your dhcpd.conf.  Here is what I use:
> on commit {
>     if static {
>         set is-static = " --> STATIC";
> 
>         option dhcp-renewal-time    = encode-int(43200 / 2, 32);    #
> 43200 = 12 hours
>         option dhcp-rebinding-time    = encode-int(43200 * 7 / 8, 32);
>         ddns-ttl            = encode-int((43200 / 2) + 1, 32);
>     } else {
>         set is-static = "";
> 
>         option dhcp-renewal-time    = encode-int(lease-time / 2, 32);
>         option dhcp-rebinding-time    = encode-int(lease-time * 7 / 8, 32);
>         ddns-ttl            = encode-int((lease-time / 2) + 1, 32);
>     }
> 
>     log (   info,
>         concat (
>             "Host:", pick-first-value(option fqdn.hostname, option
> host-name, "(none)"), "=>", pick-first-value(config-option
> server.ddns-hostname, "(none)")
> 
>             ,"  VendorId:", pick-first-value(option
> vendor-class-identifier, "(none)")
> 
>             ,"  Lease:",
> pick-first-value(binary-to-ascii(10,32,"",encode-int(lease-time,32)),
> "(none)")
>             ,"  Renewal:", pick-first-value(binary-to-ascii(10, 32, "",
> config-option dhcp-renewal-time), "(none)")
>             ,"  Rebind:", pick-first-value(binary-to-ascii(10, 32, "",
> config-option dhcp-rebinding-time), "(none)")
> 
>             ,"  TTL:", pick-first-value(binary-to-ascii(10, 32, "",
> config-option server.ddns-ttl), "(none)")
> 
>             ,"  GIaddr:", pick-first-value(binary-to-ascii(10, 8, ".",
> packet(24,4)), "(none)")
>             , is-static
>         )
>     );
> }
> 
> Bill
> 
> 
> On 10/19/2017 3:00 AM, Narcis Garcia wrote:
>> isc-dhcp-server is currently logging in my system:
>> DHCPDISCOVER from 11:22:33:44:55:66 via eth0
>> DHCPOFFER on 172.16.20.201 to 11:22:33:44:55:66 via eth0
>> DHCPREQUEST for 172.16.20.201 from 11:22:33:44:55:66 via eth0
>> DHCPACK on 172.16.20.201 to 11:22:33:44:55:66 via eth0
>>
>> How can I make the service logs some name about that known client? (such
>> as "printer_1")
>>
>> Thanks.
>> _______________________________________________
>> dhcp-users mailing list
>> dhcp-users at lists.isc.org
>> https://lists.isc.org/mailman/listinfo/dhcp-users
> 
> 
> 
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