On 12/2/20 10:02 AM, Walter H. wrote:
On 02.12.2020 09:16, Roberto Ragusa wrote:


but you have 3 different networks,
yes, my own network at home, the network of the tunnel, and public the network 
where the VPS is part of;
shouldn't you just configure routing instead of using proxy_ndp?

without these the following   is not possible,   -> Destination host unreachable

ping6  homeprefix::1
ping6 tunnelprefix::2
ping6 tunnelprefix::1   (the sit1 device of the server itself)
If I understand correctly your hoster has assigned you 3 subnetworks
but it is not routing them to your VPS, it just expects your VPS to use
them on its interface.
In this case, yes, you need proxy_ndp, and if there is a way to avoid 
enumerating
each IP I would be interested to know.

If instead tunnelprefix and homeprefix were just externally routed to 
serverprefix::1
everything would be simpler, but that is not under your control, I assume.

Regards.

--
   Roberto Ragusa    mail at robertoragusa.it
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