Re: IPv6 neighbor flaps for ISP router are occurring frequently

On 19-9-2024 19:43, Chris Ross wrote:
>
>> On Sep 17, 2024, at 14:46, Chris Ross<cross+freebsd@distal.com>  wrote:
>>
>> Hmm.  Well, I updated my releng/14.1 tree and built a new kernel last night.
>> I rebooted and after dhcpcd started up it was emitting the same notices
>> for many hours.  But, at about 07:30 this morning it stopped.  It’s now been
>> 7 hours since there have been any such notices from dhcpcd.  And, I can’t
>> think of what couple. hanged. dhcpcd has been running for 15+ hours,
>> complained for 8 hours, then stopped for 7.  I’ll keep an eye on it, but
>> suffice to say I’m perplexed.
> Alright.  Coming back to this, I was clearly not paying attention.  At the
> time I stopped seeing the aforementioned problem, a new one started.  There
> seemed to be some sort of link flap on my local interfaces a couple
> of times the morning of Sept 17, and after that IPv6 wasn’t working.
> The next-hop and router seems to be unreachable now.
Are you using pf? FreeBSD-EN-24:16.pf