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Having the same question (and also that weird sysctl behaviour where the values do not match): https://forum.opnsense.org/index.php?topic=51617.0
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26.1, 26,4 Series / Re: tunables set to unknown values, reset to default does nothing
April 15, 2026, 11:02:11 PM #2
General Discussion / Question about tunables
April 15, 2026, 03:52:34 PM
Hi,
I've been a OpnSense user since a long time and there were a lot of version migrations. Today I had a look at the System->Settings->Tunables view and there are a lot of items where the current value differs from the default (although I never changed any of them).
I am now wondering if those are all old default values that have been set to a new default in the meantime, or if some configuration changes also trigger value changes in the Tunables section.
So should I change the Values to their new Default value, or will this break any existing configurations that rely on those values?
I've been a OpnSense user since a long time and there were a lot of version migrations. Today I had a look at the System->Settings->Tunables view and there are a lot of items where the current value differs from the default (although I never changed any of them).
I am now wondering if those are all old default values that have been set to a new default in the meantime, or if some configuration changes also trigger value changes in the Tunables section.
So should I change the Values to their new Default value, or will this break any existing configurations that rely on those values?
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