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From: "Steven Hartland" <killing@multiplay.co.uk>
To: <freebsd-net@freebsd.org>
Date: Thu, 14 Jul 2011 18:41:07 +0100
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Subject: ifconfig idg1 down delete fails with ipv6 enabled
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When trying to clear down an interface in this case igb1 I usually
just use:-
ifconfig <if> down delete

This seems to fail when ipv6 is enabled on 8.2-RELEASE where I get
ifconfig igb1 down delete
ifconfig: ioctl (SIOCDIFADDR): Can't assign requested address

This a bug?

    Regards
    Steve

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