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protected-headers="v1" From: DutchDaemon - FreeBSD Forums Administrator To: freebsd-net@freebsd.org Message-ID: <380a4641-9300-4803-bd38-819beb77ed21@FreeBSD.org> Subject: Re: IPv6 neighbor flaps for ISP router are occurring frequently References: <89F4F5A4-E3D9-4A43-84F6-908E3FA221A6@distal.com> <83BCC913-3375-4847-B720-5F06D76F6646@distal.com> <6CFC398B-BC5C-4CFC-8733-8D9732B121CA@distal.com> <80124FC7-3C96-489C-803D-D0310FBA3D05@distal.com> In-Reply-To: <80124FC7-3C96-489C-803D-D0310FBA3D05@distal.com> --------------EF8EhzaI0M5dfD0BCoAsNM7J Content-Type: multipart/alternative; boundary="------------rHFVdi1ebvQZ5Buwb1p3hxna" --------------rHFVdi1ebvQZ5Buwb1p3hxna Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: base64 T24gMTktOS0yMDI0IDE5OjQzLCBDaHJpcyBSb3NzIHdyb3RlOg0KPg0KPj4gT24gU2VwIDE3 LCAyMDI0LCBhdCAxNDo0NiwgQ2hyaXMgUm9zczxjcm9zcytmcmVlYnNkQGRpc3RhbC5jb20+ ICB3cm90ZToNCj4+DQo+PiBIbW0uICBXZWxsLCBJIHVwZGF0ZWQgbXkgcmVsZW5nLzE0LjEg dHJlZSBhbmQgYnVpbHQgYSBuZXcga2VybmVsIGxhc3QgbmlnaHQuDQo+PiBJIHJlYm9vdGVk IGFuZCBhZnRlciBkaGNwY2Qgc3RhcnRlZCB1cCBpdCB3YXMgZW1pdHRpbmcgdGhlIHNhbWUg bm90aWNlcw0KPj4gZm9yIG1hbnkgaG91cnMuICBCdXQsIGF0IGFib3V0IDA3OjMwIHRoaXMg bW9ybmluZyBpdCBzdG9wcGVkLiAgSXTigJlzIG5vdyBiZWVuDQo+PiA3IGhvdXJzIHNpbmNl IHRoZXJlIGhhdmUgYmVlbiBhbnkgc3VjaCBub3RpY2VzIGZyb20gZGhjcGNkLiAgQW5kLCBJ IGNhbuKAmXQNCj4+IHRoaW5rIG9mIHdoYXQgY291cGxlLiBoYW5nZWQuIGRoY3BjZCBoYXMg YmVlbiBydW5uaW5nIGZvciAxNSsgaG91cnMsDQo+PiBjb21wbGFpbmVkIGZvciA4IGhvdXJz LCB0aGVuIHN0b3BwZWQgZm9yIDcuICBJ4oCZbGwga2VlcCBhbiBleWUgb24gaXQsIGJ1dA0K Pj4gc3VmZmljZSB0byBzYXkgSeKAmW0gcGVycGxleGVkLg0KPiBBbHJpZ2h0LiAgQ29taW5n IGJhY2sgdG8gdGhpcywgSSB3YXMgY2xlYXJseSBub3QgcGF5aW5nIGF0dGVudGlvbi4gIEF0 IHRoZQ0KPiB0aW1lIEkgc3RvcHBlZCBzZWVpbmcgdGhlIGFmb3JlbWVudGlvbmVkIHByb2Js ZW0sIGEgbmV3IG9uZSBzdGFydGVkLiAgVGhlcmUNCj4gc2VlbWVkIHRvIGJlIHNvbWUgc29y dCBvZiBsaW5rIGZsYXAgb24gbXkgbG9jYWwgaW50ZXJmYWNlcyBhIGNvdXBsZQ0KPiBvZiB0 aW1lcyB0aGUgbW9ybmluZyBvZiBTZXB0IDE3LCBhbmQgYWZ0ZXIgdGhhdCBJUHY2IHdhc27i gJl0IHdvcmtpbmcuDQo+IFRoZSBuZXh0LWhvcCBhbmQgcm91dGVyIHNlZW1zIHRvIGJlIHVu cmVhY2hhYmxlIG5vdy4NCkFyZSB5b3UgdXNpbmcgcGY/IEZyZWVCU0QtRU4tMjQ6MTYucGYN Cg== --------------rHFVdi1ebvQZ5Buwb1p3hxna Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
On 19-9-2024 19:43, Chris Ross wrote:<= br> 


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 nig=
ht.
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=E2=80=99=
s now been
7 hours since there have been any such notices from dhcpcd.  And, I can=E2=
=80=99t
think of what couple. hanged. dhcpcd has been running for 15+ hours,
complained for 8 hours, then stopped for 7.  I=E2=80=99ll keep an eye on =
it, but
suffice to say I=E2=80=99m perplexed.

Alright.  Coming back to this, I was clearly not paying attention.  At th=
e
time I stopped seeing the aforementioned problem, a new one started.  The=
re
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=E2=80=99t worki=
ng.
The next-hop and router seems to be unreachable now.
Are you using pf? FreeBSD-EN-24:16.pf --------------rHFVdi1ebvQZ5Buwb1p3hxna-- --------------EF8EhzaI0M5dfD0BCoAsNM7J-- --------------jMIOUNCI1ujl0Or9x3WtwTId Content-Type: application/pgp-signature; name="OpenPGP_signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="OpenPGP_signature.asc" -----BEGIN PGP SIGNATURE----- wnsEABYIACMWIQSDIpfQllw48uFsWk/r4FMJZEPckQUCZu1LWAUDAAAAAAAKCRDr4FMJZEPckW1X AQDxk33wWe6yvgQcKxelVUJVoQthbLjxK7lc9UbfMHRZHAEAy2KPCbZNIiMl2imgxaP6cmYAnzjd UtaCL0ukglWNlAI= =aZM6 -----END PGP SIGNATURE----- --------------jMIOUNCI1ujl0Or9x3WtwTId--