[175215] in North American Network Operators' Group

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Re: IPv6 Default Allocation - What size allocation for Loopback

daemon@ATHENA.MIT.EDU (Frank Habicht)
Sat Oct 11 12:47:48 2014

X-Original-To: nanog@nanog.org
Date: Sat, 11 Oct 2014 19:47:29 +0300
From: Frank Habicht <geier@geier.ne.tz>
To: nanog@nanog.org
In-Reply-To: <1070171971.148616.1413006103313.JavaMail.zimbra@snappytelecom.net>
Errors-To: nanog-bounces@nanog.org

On 10/11/2014 8:41 AM, Faisal Imtiaz wrote:
> For Router Loopback Address .... what is wisdom in allocating a /64 vs /128 ?

The number of IPs addresses used on them subnets on them loopbacks is as
far as I can foresee only one [for each loopback]. So a subnet of size "one
address" should do it.
And that seems to be the same in v4 and v6

Frank


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