[Dnsmasq-discuss] Announce: dnsmasq-2.36
Simon Kelley
simon at thekelleys.org.uk
Tue Jan 23 20:35:40 GMT 2007
Carlos Carvalho wrote:
> Thanks for the new release.
>
> Simon Kelley (simon at thekelleys.org.uk) wrote on 21 January 2007 20:24:
> > Send netmask and broadcast address DHCP options always,
> > even if the client doesn't request them. This makes a few
> > odd clients work better.
>
> Can I still disable sending them?
Yes, this only affects the default behaviour if not over-ridden.
>
> I had lots of problems with clients that only accept small packets. I
> had to build 3 levels of dhcp configs, and specify which for each
> machine, which makes the dhcp config nearly 1000 lines long... I [have
> the illusion that I] control what's sent and what isn't. I'm worried
> by the broadcast, it's not necessary because it can be calculated from
> the address and mask, and it'll take space in the packet. I disabled
> sending it in the problematic clients.
You do mostly have control, but for most options, they don't get sent
unless the client asks for them.
>
> > Added FAQ entry about running dnsmasq in a Linux
> > vserver. Thanks to Gildas le Nadan for the information.
>
> Odd observation: net_admin is not necessary if you don't need arp
> injection, either in a vserver or not. This is the case when the
> machine running dnsmasq already knows the mac's.
>
True, but that's a very rare case: my guess is that almost nobody
running dnsmasq has static ARP-table entries.
Cheers,
Simon.
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