On 3/4/10 10:52 AM, Thomas Magill wrote: > So to start off, I'm new to following this list so if these points have > already been beaten into the ground, feel free to tell me to shut up. > > > > So two things I wonder about the preservation of current IP4 space and > delaying IP6 are: > > > > 1. Why don't providers use /31 addresses for P2P links? This > works fine per rfc 3021 but nobody seems to believe it or use it. Are > there any major manufacturers out there that do not support it? >
I posed this to the list in January, and learned that apparently there are still some vendors whose products choke with presented with a /31. Search for thread "Using /31 for router links". ~Seth