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Re: IPv6 default route flapping

Martin Husemann <> writes:

> Well, adding -v or -vv would help here, especially to show the RA lifetime.
> But more interesting is what happens on the routing socket, as that is
> where dhcpcd gets the idea of reachability from.

A great suggestion and I 'll add turning on dhcpcd debugging and looking
at all 3.

Besides -v, tcpdump prints timestamps and those were omitted.   Also the
lines were miswrapped making them very hard to read.

It looks like there are neighbor solicitations and I am not seeing the

Are you really sure you aren't blocking ND replies in a firewall?   Also
add to your time history the packets that were blocked, with timestamps.

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