Archive for February, 2014

Windows 7 hammering dnsmasq

Saturday, February 1st, 2014

I migrated to dnsmasq just yesterday, and discovered that a Windows 7 machine was hammering the server with messages like this:

FebĀ  1 11:06:07 dns dnsmasq-dhcp[1078]: DHCPINFORM(eth0) 192.168.1.77 91:de:87:7b:e5:a8
FebĀ  1 11:06:07 dns dnsmasq-dhcp[1078]: DHCPACK(eth0) 192.168.1.77 91:de:87:7b:e5:a8 winpc

Googling a bit, I found out this link (with an explanation). The solution is fairly simple. Add the following line to your dnsmasq.conf file to solve the problem:

dhcp-option=252,”n”