[6bone] 2001:478:: as /48

[Pekka Savola]

On Thu, 4 Sep 2003, Stephen Stuart wrote:
> We lose:
> 
> - In combination with RPF checking, we would lose the ability to see a
>   traceroute through an exchange point (assuming that the ICMP
>   feedback was sourced using the IX-connected address).

You would be running "strict RPF" checking towards your upstreams?  
Otherwise I fail to see how RPF checking would get broken here.
 
> - The ability to ping the near and far sides of an exchange point
>   boundary from a distance; this is sometimes useful for determining
>   the character of asymmetric routing (when the RTTs for near and far
>   side vary greatly).

Ping a loopback address of a remote router and compare to ping to your 
local router?

-- 
Pekka Savola                 "You each name yourselves king, yet the
Netcore Oy                    kingdom bleeds."
Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings