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</o:shapelayout></xml><![endif]--></head><body lang=EN-ZA link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal>I’m using dnsmasq on a Raspberry Pi as a DHCP and DNS server for my home network. I switched to using the Pi as it boots fast and dnsmasq can start handing out IP addresses on my network quickly after a power failure (IP cameras, alarms system, etc).<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Network: 192.168.1.0/24<o:p></o:p></p><p class=MsoNormal>Range 1-99 static, defined in /etc/dnsmasq.d/reservations file<o:p></o:p></p><p class=MsoNormal>Range 100-250 dynamic<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>If I check my syslog though, I see many of my static devices requesting IP addresses every 60 seconds or so, suggesting their leases are only 120 seconds. I’ve searched for the issue but the only hits I could find were related to windows machines looking for and autoconfig option (option 252). While I’ve added that option, many of the requests are not coming from Windows machines anyway.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>dhcp-range=tag:!known,192.168.1.100,192.168.1.250,12h #Dynamic devices<o:p></o:p></p><p class=MsoNormal>dhcp-range=192.168.1.1,192.168.1.99,static,48h #Static devices in /etc/dnsmasq.d/reservations e.g. dhcp-host=00:0c:5d:dc:4f:3c,192.168.1.52,cctv-ptz<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Feb 24 10:15:13 ipam dnsmasq-dhcp[23224]: DHCPREQUEST(eth0) 192.168.1.52 00:0c:5d:dc:4f:3c<o:p></o:p></p><p class=MsoNormal>Feb 24 10:15:13 ipam dnsmasq-dhcp[23224]: DHCPACK(eth0) 192.168.1.52 00:0c:5d:dc:4f:3c cctv-ptz<o:p></o:p></p><p class=MsoNormal>[may repetitive entries removed]<o:p></o:p></p><p class=MsoNormal>Feb 24 10:16:10 ipam dnsmasq-dhcp[23224]: DHCPACK(eth0) 192.168.1.52 00:0c:5d:dc:4f:3c cctv-ptz<o:p></o:p></p><p class=MsoNormal>Feb 24 10:16:14 ipam dnsmasq-dhcp[23224]: DHCPREQUEST(eth0) 192.168.1.21 00:20:4a:a8:28:fe<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='mso-fareast-language:EN-ZA'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-ZA'>Regards<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-ZA'>Gavin<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-ZA'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-ZA'>--<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-ZA'>Gavin Hill – <a href="mailto:gavin@highpeak.co.za"><span style='color:#0563C1'>gavin@highpeak.co.za</span></a> – <a href="http://www.highpeak.co.za"><span style='color:#0563C1'>http://www.highpeak.co.za</span></a> -- @HighpeakHA <o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div>
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