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Date: Sat, 9 Jun 2012 09:23:15 +0200 (CEST)
From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
To: "Alexander V. Chernikov" <melifaro@freebsd.org>
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Cc: hackers@freebsd.org, net@freebsd.org
Subject: Re: ifconfig accepting hostname as ipv4 address
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> input.
> Moreover, ifconfig em0 some_valid_fqdn/MASK silently ignores it, so you can't 
> set valid CIDR address using this notation.
>
> Classful era has ended more than 10 years ago, do we still want to keep this 
> behavior?
>
were not aware of that option, and it is rather stupid option - you should
work on addresses not names when configuring network