[dnsdist] Question on configuration which I can not make work

[Winfried]

Hi,

It's noticeable that you're using an empty string as an argument for PoolAvailableRule. That's the dnsdist "default" pool. However, your pool is named "primary".

Winfried 


Am 12. November 2025 01:38:53 MEZ schrieb Alexis Berthillier via dnsdist <dnsdist at mailman.powerdns.com>:
>OK I tried that, and this does not work, it sends all data to the backup instead of the primary pool.
>It seems like something is missing to just check the health of the pool here….
>Any idea on how to make this work, with or without the pools?
>
>Thank you
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>First, thank you, got the DoH and DoT servers working now.
>
>ok if I understand that properly:
>-- Send queries to default pool when servers are available
>addAction(PoolAvailableRule(""), PoolAction("primary"))
>-- Send queries to backup pool if not
>addAction(AllRule(), PoolAction("backup”))
>
>Primary pool will be used till there is no more available server and then go to backup, is that accurate?
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>If I wsa not using pools, then what would be the other way to do this?
>Set all primary servers to order=0, and backup to order=1, and this will also work the same way as above but not relying on pools, is that correct?
>If so, just have to add the order parameter to the server definition, right?
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>Thank you 
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>> On Nov 11, 2025, at 1:18 PM, Winfried via dnsdist <dnsdist at mailman.powerdns.com> wrote:
>> 
>>> Is the failover definition between the two pools correct here?
>> 
>> I've never tried failover pools before. But I just came across the "PoolAvailableRule":
>> https://www.dnsdist.org/reference/selectors.html?highlight=poolavailablerule#PoolAvailableRule