[157647] in North American Network Operators' Group
Re: IPv6 Netowrk Device Numbering BP
daemon@ATHENA.MIT.EDU (Valdis.Kletnieks@vt.edu)
Thu Nov 1 14:00:39 2012
To: "Miquel van Smoorenburg" <mikevs@xs4all.net>
In-Reply-To: Your message of "Thu, 01 Nov 2012 14:28:48 +0100."
<201211011328.qA1DSmL0014477@xs8.xs4all.nl>
From: Valdis.Kletnieks@vt.edu
Date: Thu, 01 Nov 2012 13:59:52 -0400
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
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On Thu, 01 Nov 2012 14:28:48 +0100, "Miquel van Smoorenburg" said:
> We use a /120 subnet for servers to prevent the NDP cache exhaustion
> attack. We do maintain a mapping between IPv4 and IPv6 addresses;
> it's simply 2001:db8:vv:ww::xx, where xx is the hex value of the
> last octet of the IPv4 address.
ooh.. that's a clever approach I hadn't seen before. Who should we credit
for this one?
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