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Date:      Mon, 7 Aug 2023 13:28:11 +0300
From:      Oleksandr Kryvulia <shuriku@shurik.kiev.ua>
To:        freebsd-current@freebsd.org
Subject:   Re: service routing restart, service dhclient restart (was: Unreliability with DHCP)
Message-ID:  <06344516-ceb3-4aea-dcdb-720a19dd6e45@shurik.kiev.ua>
In-Reply-To: <f1585a70-d3cd-33d6-77b4-b7eed16abb8a@freebsd.org>
References:  <62d300c8-2c3e-58fa-334e-23a17962279a@freebsd.org> <e5e80c42-08c3-140b-b53b-a13ffbf01ff7@freebsd.org> <ceac6410-fcff-8020-ecee-e7953eb29078@shurik.kiev.ua> <753f3990-9903-3718-445c-49fc01f960a7@freebsd.org> <354756c9-29e0-db1f-269e-3c219b5d9ac8@freebsd.org> <adc80040-3a59-abeb-d92f-f225d16d7171@shurik.kiev.ua> <f1585a70-d3cd-33d6-77b4-b7eed16abb8a@freebsd.org>

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06.08.23 19:23, Graham Perrin пише:
> Thanks,
>
> On 06/08/2023 08:36, Oleksandr Kryvulia wrote:
>> … In my case default route is assigned by dhclient, so 'service 
>> routing restart' must be run quickly after 'service netif restart' - 
>> before we receive dhcp offer. 
>
> Is this documented and explained somewhere, or did you learn through 
> trial and error?

It's my own expirience  + reading /etc/rc.d/routing

>
>
>> Another option is to run 'service dhclient restart wlan0' after 
>> routing restart. …
>
> Is there, similarly, a need to rush the two commands?
I can't answer for sure, you need to try different options and choose 
the one that works. If you're using typical network configuration, 
you'll probably be fine with routing restart + dhclient restart only. 
This works for me in most cases until I configured lagg interface.
>
> <https://reviews.freebsd.org/P602$27>; no route;
> <https://reviews.freebsd.org/P602$28-33>; /etc/rc.d/dhclient: WARNING: 
> failed to start dhclient
>
>




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