Hi Karl,

----- Original Message -----
> From: Karl Auer <[email protected]>
> To: IETF IPv6 <[email protected]>; IPv6 Tech <[email protected]>
> Cc: 
> Sent: Thursday, 21 February 2013 6:12 PM
> Subject: first hop routing - visible in user space?
> 
> Are the data structures involved in first hop routing for IPv6 (see RFC
> 2461, 4861 and 491 "conceptual models") visible in user space?That is,
> is it possible to see what's going on as it happens? If so, how? Or is
> it a black box?
> 

Linux exposes some of this information to user space e.g.

ip -6 route show table cache

and the 

ip -6 neigh show

command shows the router flag for neighbors that are routers.

My understanding though is that Linux doesn't implement the described data 
structures specifically.

Regards,
Mark.
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