Thnx for your reply,
I'm experimenting in a soho environment with very limited network activity from/to lan.
Indeed in the doubt I was leaving the setting in rc.local for now.
Can you give us more insight about the trouble?
-- Daniele Bonini
Nov 7, 2023 19:41:18 Theo de Raadt <deraadt@openbsd.org>:
> Daniele B. <my25mb@has.im> wrote:
>
>> Actually i'm not sure about the real benefits of it, and for a soho
>> environment like mine but after 17 years I decided to take jumbo
>> frame seriously.. and MTU values of my network equipment to 9018.
>> I watched with happiness also to my old Mac having jumbo frame hard
>> coded with MTU 9018 like second choise in the hardware settings.
>>
>> About OpenBSD (7.3 stable) the only thing I need to ask explanation
>> for is the reason of the error "wrong MTU value" popping up by setting
>> jumbo frame directly via hostame.mynicdevice; when the setting go
>> smoothly up via ifconfig manually or by rc.local. Is the nic device
>> initialization dependent on a sane 1500 MTU value, maybe?
>
> You have no idea what problems you are creating for yourself.
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