[195733] in North American Network Operators' Group
Re: IPv6 Loopback/Point-to-Point address allocation
daemon@ATHENA.MIT.EDU (Enno Rey)
Sun Sep 10 08:22:39 2017
X-Original-To: nanog@nanog.org
Date: Sun, 10 Sep 2017 11:53:20 +0200
From: Enno Rey <erey@ernw.de>
To: nanog@nanog.org
In-Reply-To: <59B50A19.9050806@foobar.org>
Errors-To: nanog-bounces@nanog.org
Hi,
On Sun, Sep 10, 2017 at 10:47:05AM +0100, Nick Hilliard wrote:
> Baldur Norddahl wrote:
> > Loopback interfaces should be configured as /128. How you allocate these do
> > not matter.
>
> ..so long as there are interface ACLs on your network edge which block
> direct IP access to these IP addresses.
or, maybe even more efficient, assign all loopbacks from a dedicated netblock which you null-route on the edge/your border devices.
best
Enno
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