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<body class='hmmessage'><div dir='ltr'>Thanks for the reply.<div>I've read the post, but unfortunately, not the same thing. The post's key point is that the DHCP server offer the DHCP offer with unicast is set(since the client requested), but the firewall of Win7 just reject it. My problem is that dnsmasq just silently ignored my request. <br><br><div><hr id="stopSpelling">From: allfox@live.cn<br>To: dnsmasq-discuss@lists.thekelleys.org.uk<br>Date: Fri, 1 Apr 2016 13:21:35 +0800<br>Subject: Re: [Dnsmasq-discuss] dnsmasq does not respect BOOTP's broadcast flag<br><br>
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<div dir="ltr">Greetings.<br><br>I don't quite understand the broadcast flag, however I did encounter the "taking a very long time to obtain an IP" problem.<br><br>I'm on Windows 10. Router has dnsmasq 2.75.<br><br>During Windows booting process, its firewall would deny any unicast packet from outside its own subnet, that including DHCP. Windows would try to request DHCP, then deny the reply, a few times.<br><br>Solution is asking Windows to request a DHCP reply via broadcast: <a href="http://sysadministrivia.blogspot.jp/2011/04/dhcp-broadcast-flag-problem-with-dhcp.html" target="_blank">http://sysadministrivia.blogspot.jp/2011/04/dhcp-broadcast-flag-problem-with-dhcp.html</a><br><br>Wish this help.<br><br><br>ÎåÔÂ<br>2016.4<br><br><div><hr id="ecxstopSpelling">From: weiqiang_li@hotmail.com<br>To: dnsmasq-discuss@lists.thekelleys.org.uk<br>Date: Fri, 1 Apr 2016 02:38:30 +0000<br>Subject: [Dnsmasq-discuss] dnsmasq does not respect BOOTP's broadcast flag<br><br>
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<div dir="ltr"><div style="line-height:21.3px;color:rgb(68, 68, 68);font-family:'Microsoft YaHei UI', 'Microsoft YaHei', ËÎÌå, Calibri, sans-serif;font-size:15px;background-color:rgb(255, 255, 255);"><span style="line-height:22.72px;font-size:12pt;">Dear all,</span></div><div style="line-height:21.3px;color:rgb(68, 68, 68);font-family:'Microsoft YaHei UI', 'Microsoft YaHei', ËÎÌå, Calibri, sans-serif;font-size:15px;background-color:rgb(255, 255, 255);"><span style="line-height:22.72px;font-size:12pt;"> I got a router using dnsmasq-2.66 for DHCP services, and I encountered a bug that the dnsmasq server does not respond to my PC's DHCPREQUEST( normally it should respond with a DHCPNAK? ), so it takes an obvious long time to got a new IP for my PC. </span></div><div id="ecxinlineImage0" style="display:inline-block;"> <span> </span> <div style="display:inline-block;" unselectable="on" class="ecxinlineImage"><img src="cid:inlineImage0" height="313" width="1020"></div> <span> </span></div><div style="line-height:21.3px;color:rgb(68, 68, 68);font-family:'Microsoft YaHei UI', 'Microsoft YaHei', ËÎÌå, Calibri, sans-serif;font-size:15px;background-color:rgb(255, 255, 255);"><span style="font-size:12pt;line-height:22.72px;"> So, is this really a bug or it is just something wrong with my PC(Works well with other DHCP server)? At my first thought, I think it should be a bug that has been solved, so I reviewed the latest(ver.2.75) dnsmasq source code, however, neither did it care about this flag.</span></div><div style="line-height:21.3px;color:rgb(68, 68, 68);font-family:'Microsoft YaHei UI', 'Microsoft YaHei', ËÎÌå, Calibri, sans-serif;font-size:15px;background-color:rgb(255, 255, 255);"><span style="font-size:12pt;line-height:22.72px;"> I also attached a patch for this. </span></div> </div>
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