I believe those have been obsoleted, but, /64 remains the best choice, IMHO.
Owen On Nov 29, 2011, at 9:00 AM, McCall, Gabriel wrote: > Note that /127 is strongly discouraged in RFC5375 and RFC3627. 3627 suggests > using /112 for router links, or /126 at the very most. > > -----Original Message----- > From: Fred Baker [mailto:f...@cisco.com] > ... > I see no reason you couldn't use a /127 prefix if the link was point to point. > ... >