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Date: Thu, 12 Jan 2012 08:48:42 +0200
From: Nikos Vassiliadis <nvass@gmx.com>
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Cc: freebsd-questions@freebsd.org
Subject: Re: can not destroy ng interface
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On 1/12/2012 7:53 AM, Коньков Евгений wrote:
> Hi, Freebsd-questions.
>
> # ifconfig ng0
> ng0: flags=88d1<UP,POINTOPOINT,RUNNING,NOARP,SIMPLEX,MULTICAST>  metric 0 mtu 1400
>          nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
> meta-up# ifconfig ng0 destroy
> ifconfig: SIOCIFDESTROY: Invalid argument
>
> why I can not destroy interface?
>

The destroy ifconfig command is meant to be used on clonable
interfaces. You can destroy a netgraph node using ngctl.
Try 'ngctl kill ng0:'.

HTH, Nikos