[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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