[Dnsmasq-discuss] sometimes dhcp-script does not trigger on lease renewal

[bugs at innuce.ch]

> If the expiry time of the lease doesn't change, then the script will
> not be run. It's possible that the client is asking for the remaining
> time to run on the lease when it "renews" rather than actually
> extending it. That would explain what you're seeing.

Clients are requesting a new lease.

>
>>
>> I've run dnsmasq in no-daemon mode and with option --dhcp-log. the log
>> didn't give me any hints. Do you have any??
>
> Look in the dnsmasq lease file, the first field is the expiry time. If
> that doesn't change when the client renews, then that's the problem.
>
>
>
> Thinks:
>
> Does openWRT use the "Broken RTC" mode? I think it does. In that case,
> dnsmasq doesn't store the expiry time in the leasefile, it stores the
> lease length. That's much more likely not to change on a renewal.
> Essentailly, the script gets called when the lease database changes,
> and in Broken RTC mode, renewal doesn't change the lease database.
>
I've checked /tmp/dhcp.leases file, lease time changes, but script does 
not trigger ....
>
>

Greetz
Stefan