[c-nsp] Core - distrubution

[harbor235]

How are you IP'ng your connector networks between core and distribution?
Public space or private? I do not like the potential overlap with
management networks and I cannot DNS mike connector networks making my
traceroutes look pretty.

I also like loopbacks publicly routable as well? Some organizations use
RFC1918 netwblocks for connector networks and loopbacks, is it just
preference or am I missing other reasons not to use 1918?

Mike