IPv6 addressing for core network

[iljitsch at muada.com (Iljitsch van Beijnum)]

On 9 feb 2011, at 11:16, sthaug at nethelp.no wrote:

> If you can get router ICMP handling changed such that the ICMP packet
> generated by traceroute is sent from the loopback address, we might
> be able to do without global scope addresses on router-to-router
> interfaces. But until then...

I'm pretty sure this is standard behavior for routers, and especially Cisco routers. However, I can't find any documentation for this real quick, either in an RFC or Cisco documentation.