Date: Sat, 28 May 2016 08:38:13 +0200 From: Niklaas Baudet von Gersdorff <stdin@niklaas.eu> To: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>, tinc@tinc-vpn.org, Mailinglists FreeBSD <freebsd-questions@freebsd.org> Subject: Re: IPv6, ULAs and FreeBSD Message-ID: <20160528063813.GE11877@box-fra-01.niklaas.eu> In-Reply-To: <58c1e30b-a39f-3faf-2a7c-f3ab8cb42fed@seacom.mu> <bba7ed3e-bcb9-8dff-d8bb-31ca6f66c873@seacom.mu> <CAN6yY1sNqSfjvV5j4vfmm=h=RCP2uiFRXaBzvdJGGV-gX_vjTA@mail.gmail.com>
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Mark Tinka [2016-05-27 23:57 +0200] :
> On 27/May/16 21:02, Kevin Oberman wrote:
>=20
> > This is fine, but why not use link-local for the VPN links? That's
> > the primary reason for them.
>=20
> That's really not good advice.
>=20
> I'd caution against using link-local addresses for any type of
> service.
>=20
> Link-local addresses are used for host-to-host communications on the
> same Layer 2 segment. Routers will not forward traffic with link-local
> addresses.
>=20
> Besides, link-local addresses are automatically created. They cannot
> be guaranteed to be unique anymore than they can be guaranteed to be
> constant.
Thanks for repeating that. That's how I understood it as a novice too.
:-) And that's why I thought I should not go for them. Because I don't
have many GUAs available, I thought I should go for ULAs then.
Niklaas
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