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Date:      Wed, 12 Jun 2024 15:11:14 +0000 (UTC)
From:      "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net>
To:        Poul-Henning Kamp <phk@phk.freebsd.dk>
Cc:        current@freebsd.org
Subject:   Re: 14.1-R rc.conf/ifconfig netmask issue was really hard to figure out
Message-ID:  <404q3127-9p57-1oqq-qqoo-3479q27830ss@yvfgf.mnoonqbm.arg>
In-Reply-To: <05ors010-q60q-s261-no16-1577rq1p1610@yvfgf.mnoonqbm.arg>
References:  <202406120747.45C7lRGZ009491@critter.freebsd.dk> <5ss109s8-1086-700s-p199-rpr429on41p9@yvfgf.mnoonqbm.arg> <202406121436.45CEaZ0o011207@critter.freebsd.dk> <20240612165722.5ec89d11.grembo@freebsd.org> <05ors010-q60q-s261-no16-1577rq1p1610@yvfgf.mnoonqbm.arg>

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On Wed, 12 Jun 2024, Bjoern A. Zeeb wrote:

> 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.

Sorry I hit send too early

And I think it came out of

commit 2f35e7d9fa03f27543f347cd6277af5bfc6a7e95
commit 20d59403961d531467cfab22163f49c131cc8b55

-- 
Bjoern A. Zeeb                                                     r15:7



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