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Date:      Thu, 18 Oct 2018 18:31:54 +0300
From:      "Andrey V. Elsukov" <bu7cher@yandex.ru>
To:        Victor Sudakov <vas@mpeks.tomsk.su>, freebsd-net@freebsd.org
Subject:   Re: get rid of the eui64 address
Message-ID:  <4b2d7329-e1e0-e8dc-4b25-6c8823a9fdd1@yandex.ru>
In-Reply-To: <20181017094554.GA65055@admin.sibptus.ru>
References:  <20181017094554.GA65055@admin.sibptus.ru>

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From: "Andrey V. Elsukov" <bu7cher@yandex.ru>
To: Victor Sudakov <vas@mpeks.tomsk.su>, freebsd-net@freebsd.org
Message-ID: <4b2d7329-e1e0-e8dc-4b25-6c8823a9fdd1@yandex.ru>
Subject: Re: get rid of the eui64 address
References: <20181017094554.GA65055@admin.sibptus.ru>
In-Reply-To: <20181017094554.GA65055@admin.sibptus.ru>

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On 17.10.2018 12:45, Victor Sudakov wrote:
> Dear Colleagues,
>=20
> I have a static IPv6 address configured on a host. However, an
> autoconfigured eui64 address keeps popping up even if I delete it
> manually.  It's marked by the "autoconf" flag in the ifconfig output.
>=20
> Can I get rid of the autoconf'ed address for good, but still keep the
> rtsold running (for the sake of the default gateway)?
>=20
> Or should I leave it alone? I just want to make sure that the static
> IPv6 address is used for outgoing connections.

You can use prefer_source flag for your static address, and for most
cases it will be chosen by IPv6 SAS algorithm (if it is from the same
prefix as autoconfigured one).

--=20
WBR, Andrey V. Elsukov


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