Hi,

> So what I was thinking of, what if a router that is under attack would 
> periodically multicast to the all-nodes multicast address a message saying
> "help I'm under attack". Upon receiving such a message all nodes send a 
> neighbor solication to the router. This populates the router's neighbor
> cache with entries for all of it's neighbors. Thus ensuring that normal 
> traffic
> can flow uninterrupted.

I have thought about this too. I wouldn't even mind if this became 
(configurable) default behaviour. One thing though: all nodes should send 
neighbour solicitations for each IPv6 address they are listening on.

Thanks,
Sander

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