Re: service routing restart, service dhclient restart (was: Unreliability with DHCP)

From: Oleksandr Kryvulia <shuriku_at_shurik.kiev.ua>
Date: Mon, 07 Aug 2023 10:28:11 UTC
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
>
>