[Dnsmasq-discuss] gatway
Simon Kelley
simon at thekelleys.org.uk
Mon Oct 14 14:21:47 BST 2013
On 14/10/13 12:03, Vladislav Grishenko wrote:
>> The problem with that is that RDNSS and DNSSL are per interface, not per-
>> prefix. Maybe the calculation should the maximum valid time of any prefix
>> advertised on the interface?
>
> It will not work for several different prefixes and serveral different
> global-scope addresses on dnsmasq interface.
> Since it's per interface (actually not, per router, but whatever), and
> onlink flag is always set, auto-cooked [::] rdnss address should contain
> link-local address of that interface, not global.
Seems sensible. I wish I could remember why I changed from doing that 10
months ago:
http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commitdiff;h=55b42f6de33ab1de695509a053c9fbd38795150b
Cheers,
Simon.
> After that, lifetimes can
> be max (or 2/3 of max to fit RFC defaults) of any valid ra lifetime.
> Also, announcing link-local addres of interface as RDNSS make life easier
> while prefix changing, renumbering, etc.
> As for user-specified RDNSS addresses, it's up to him to shoot in own foots
> and specify static or dynamic servers.
>
> Best Regards, Vladislav Grishenko
>
>
>
More information about the Dnsmasq-discuss
mailing list