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Date:      Wed, 12 Jun 2024 15:06:23 +0000 (UTC)
From:      "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net>
To:        Michael Gmelin <grembo@freebsd.org>
Cc:        Poul-Henning Kamp <phk@phk.freebsd.dk>, current@freebsd.org
Subject:   Re: 14.1-R rc.conf/ifconfig netmask issue was really hard to figure out
Message-ID:  <05ors010-q60q-s261-no16-1577rq1p1610@yvfgf.mnoonqbm.arg>
In-Reply-To: <20240612165722.5ec89d11.grembo@freebsd.org>
References:  <202406120747.45C7lRGZ009491@critter.freebsd.dk> <5ss109s8-1086-700s-p199-rpr429on41p9@yvfgf.mnoonqbm.arg> <202406121436.45CEaZ0o011207@critter.freebsd.dk> <20240612165722.5ec89d11.grembo@freebsd.org>

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On Wed, 12 Jun 2024, Michael Gmelin wrote:

>
>
> On Wed, 12 Jun 2024 14:36:35 +0000
> "Poul-Henning Kamp" <phk@phk.freebsd.dk> wrote:
>
>> --------
>> Bjoern A. Zeeb writes:
>>
>>>> I had a machine with this line in /etc/rc.conf:
>>>>
>>>> 	ifconfig_bla0="192.168.87.11"
>>>>
>>>> I found out the hard way, that this defaults to /8 now.
>>>
>>> Did you track it down to a specific change?  I.e. is this
>>> ifconfig/netlink or the old kernel change from like two years(?)
>>> ago?
>>>
>>> Do you have a time window when this broke as that'll help people to
>>> bisect?
>>
>> I have no idea, sorry, I just freebsd-updated this one box...
>>
>
> I just tried on 14.0-p6, same there:
>
>  # ifconfig vtnet0 192.168.87.11
>  ifconfig: WARNING: setting interface address without mask is
>  deprecated, default mask may not be correct.
>
> Interestingly, `ifconfig vtnet0 10.0.0.1` uses "/24" whereas
> 192.168.87.11 uses "/8".
>
> This dates back to:
> https://cgit.freebsd.org/src/commit/?id=4bf44dd73bc0a

No it pre-dates that chnage.

It goes back to d8237b95552807e937fc389c7e2237679ef0c984 and related
changes.

-- 
Bjoern A. Zeeb                                                     r15:7



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