From owner-freebsd-questions  Wed Nov 21 13:48:13 2001
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Date: Wed, 21 Nov 2001 21:57:40 +0100
From: Jean-Yves Lefort <jylefort@brutele.be>
To: freebsd-questions@FreeBSD.org
Subject: IPv6 autoconfiguration
Message-ID: <20011121215740.A3880@jsite.lefort.net>
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Hi all,

Previously addresses in the form fe80*%<if_name> were assigned automatically
to my IPv6 network interfaces. Having read that those fe80 addresses are used
by IPv6 configuration, and having decided that I don't need this feature, I
have been able to disable the automatic assignation by appending the following
line in my /etc/sysctl;conf:

net.inet6.ip6.auto_linklocal=0

After a system reboot, the move seemed to be successfull for all interfaces
*but* the loopback interface:

# ifconfig lo0
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
        inet6 ::1 prefixlen 128 
>>>>    inet6 fe80::1%lo0 prefixlen 64 scopeid 0x2    <<<<
        inet 127.0.0.1 netmask 0xff000000 

Is there a way (other than ifconfig delete) to get rid of that address?

Best regards,
Jean-Yves Lefort

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