[6bone] Exchange Point Addresses

ww@GROOVY.NET ww@GROOVY.NET
Mon, 17 Jun 2002 17:35:06 -0400


On Mon, Jun 17, 2002 at 10:15:39PM +0000, Robert Kiessling wrote:
> 
> > We have seen (in practice) that not having globally routable peering
> > meshes, potentially breaks Path MTU discovery.
> 
> Then you see something I've never seen. RFC1918 addresses pose
> problems to PMTUD, that's true, but for different reasons.

What are the different reasons? I would think that using any
non-unique addresses (RFC1918 or site-local IPv6) would cause
similar problems. Unique but non globally routeable addresses
should be ok though (pace RPF), no?

-w