20 jul 2005 kl. 20.17 skrev Konstantin KABASSANOV:


> We are working on a kind of "smart proxy" that should relay packets  
> only for
> hosts directly reachable on its second interface... So we need to  
> know their
> ipv6 addresses.
>

Sounds like a bridge? The typical way is to forward all arp requests  
and record the ips from the replies received. That functionality is  
already included in NetBSD with bridge(4). Perhaps you can build  
starting from it.
-- 
Pelle Johansson
<pelle@morth.org>