Subject: Re: IPv6 Default Allocation - What size allocation for Loopback Address Date: Sat, Oct 11, 2014 at 05:41:43AM +0000 Quoting Faisal Imtiaz (faisal@snappytelecom.net):
A follow up question on this topic..
For Router Loopback Address .... what is wisdom in allocating a /64 vs /128 ? (the BCOP document suggests this, but does not offer any explanation or merits of one over the other).
I use a /128 -- these addresses are going to be used de-aggregated in the IGP only; outside they are part of your aggregated allocation. Then again; I'm using /127 on links. Just because it is a tad easier to do dual-stack on the scripts that build the config. And, I get to have all my links in 2001:0db8:f00:feed:dada::/80 :-) -- Måns Nilsson primary/secondary/besserwisser/machina MN-1334-RIPE +46 705 989668 I'm thinking about DIGITAL READ-OUT systems and computer-generated IMAGE FORMATIONS ...