[Dnsmasq-discuss] dnsmasq does not respect BOOTP's broadcast flag

[黎伟强]

Yeah, I've read the manual and that option is checked. It just won't work.

Sent from my iPhone

> 在 2016年4月1日，13:24，Albert ARIBAUD <albert.aribaud at free.fr> 写道：
> 
> Hello,
> 
> Le Fri, 1 Apr 2016 02:38:30 +0000
> 黎伟强 <weiqiang_li at hotmail.com> a écrit:
> 
>> Dear all,       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.
>> 
>>                     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.
>> 
>>      I also attached a patch for this.
> 
> Are you sure that this is BOOTP related?
> 
> As long as dnsmasq is configured to *not* be authoritative, it will
> *not* respond with NAKs to requests (as these NAKs might interfere with
> another, authoritative, server's positive answers).
> 
> Existing option -K (or --dhcp-authoritative in long form) will tell
> dnsmasq that it is indeed the only DHCP server around and therefore
> authoritative, and as such, it will then emit NAKs for bad requests
> (see 'man dnsmasq' for details).
> 
> Can you try without your patch and with -K option?
> 
> Amicalement,
> -- 
> Albert.