v6-bias

[Marco Moock]

Am 18.08.2024 um 23:44:26 Uhr schrieb Mark Andrews:

> > On 18 Aug 2024, at 20:32, Marco Moock <mm at dorfdsl.de> wrote:

> It is.  Go to the product page.  Look at panel 3 “Configuration".
> Click on "Administrator Reference Manual (ARM)” then enter “v6-bias”
> in the search box.

https://bind9.readthedocs.io/en/v9.18.28/reference.html#namedconf-statement-v6-bias

As I searched on isc.org, I couldn't find it.

> > I've set it to 200ms and I still see outgoing queries to IPv4
> > destinations that are reachable via IPv6 and have a latency under
> > 20 ms.  
> 
> Named uses smooth measured RTT which means it still has to
> occasionally talk to servers over IPv4 to measure the RTT.

Can that be disabled, so IPv4 fallback will only be used when IPv6
query takes longer than the time set in v6-bias?

-- 
kind regards
Marco

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