Re: [Dnsmasq-discuss] dhcp-script not being called with "del"
On 23/02/2020 19:41, William Edwards wrote: > Hi, > > I have a 'dhcp-script'. It is being called with "add" and "old" upon > requesting DHCP lease, but when a lease expires, it is not called with > "del". > > To test, I changed lease time to 1 minute and kept an eye on > /var/lib/misc/dnsmasq.leases . After 1 minute, the lease disappeared > from /var/lib/misc/dnsmasq.leases (thus expired). However, the > 'dhcp-script' was not called. > > How could I start researching this issue? > For a start, be aware the dnsmasq enforces a minimum time of two minutes on DHCP leases, so what you think is happening may not actually be happening. Making your script something like #!/bin/bash echo $* >>/tmp/logfile env >>/tmp/logfile is useful to see what's going on. Simon. ___ Dnsmasq-discuss mailing list Dnsmasq-discuss@lists.thekelleys.org.uk http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss
Re: [Dnsmasq-discuss] dhcp-script not being called with "del"
On Sun, Feb 23, 2020 at 09:57:20PM +0100, Geert Stappers wrote: > On Sun, Feb 23, 2020 at 08:41:28PM +0100, William Edwards wrote: > > > > Hi, > > > > I have a 'dhcp-script'. It is being called with "add" and "old" upon > > requesting DHCP lease, but when a lease expires, > > it is not called with "del". > > > > To test, I changed lease time to 1 minute and kept an eye on > > /var/lib/misc/dnsmasq.leases . After 1 minute, the lease disappeared > > from /var/lib/misc/dnsmasq.leases (thus expired). > > However, the 'dhcp-script' was not called. > > > > How could I start researching this issue? > > > > Go see what dnsmasq can see from the client. > I might be wrong that starting `dhcp-script` is only triggered by DHCP-event from the DHCP-client. Manual page says only "del" means it has been destroyed It doesn't say what destroys a lease. I was thinking "DHCP release", but I'm not sure about it. However: a network sniff never harms. Regards Geert Stappers -- Silence is hard to parse ___ Dnsmasq-discuss mailing list Dnsmasq-discuss@lists.thekelleys.org.uk http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss
Re: [Dnsmasq-discuss] dhcp-script not being called with "del"
On Sun, Feb 23, 2020 at 08:41:28PM +0100, William Edwards wrote: > > Hi, > > I have a 'dhcp-script'. It is being called with "add" and "old" upon > requesting DHCP lease, but when a lease expires, > it is not called with "del". > > To test, I changed lease time to 1 minute and kept an eye on > /var/lib/misc/dnsmasq.leases . After 1 minute, the lease disappeared > from /var/lib/misc/dnsmasq.leases (thus expired). > However, the 'dhcp-script' was not called. > > How could I start researching this issue? > Go see what dnsmasq can see from the client. Regards Geert Stappers -- Silence is hard to parse ___ Dnsmasq-discuss mailing list Dnsmasq-discuss@lists.thekelleys.org.uk http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss
