[support] About the Neighbor Unreachability Detection

[Angel Bartomeu Bonillo]

Hello again.

How is the Neighbor Unreachability Detection implemented in the mip6daemon?
Does the daemon relay on the upper protocols to detect the two-ways
connection, does it uses Router Solicitation and Neighbor Solicitation or
does it use both methods as specified in the RFC 2461?

More specifically my question could be: If a router send Unsolicited Router
Advertisement to a node running the mip6daemon but the router does not
implement any method to respond to Router Solicitation by means of a
Solicitated Router Advertisements, Does the node consider the router
reachable? Is there any problem in this scenario?

Thanks in advance.
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