On Tue, 2016-10-25 at 23:21 +1100, Karl Auer wrote:
> 
> one thing that will cause RAs to stop
> coming is if you are doing DHCPv6-PD,

So, having an IPv6 DHCP server in my LAN or is that something that can
only happen on the router?  I am fairly certain that is no happening
here unless somebody has set up a rogue server.

>  and the upstream delegation
> expires. Commonest reason screwing this up is a clueless ISP, second
> commonest is hardcoding something on either side of the router that
> does not match reality when reality changes one day.

What sort of thing could be hard-coded that would screw that up?

> Do you know for a fact that the RA have stopped, or are you surmising
> that from the symptoms (dropped SLAAC addresses)?

Yeah.  I can see they stop after the initial three after the router
reboots using a sniffer on the LAN segment.

Cheers,
b.

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