Date: Sun, 15 Dec 2019 20:54:30 +0300 From: "Andrey V. Elsukov" <bu7cher@yandex.ru> To: "John W. O'Brien" <john@saltant.com>, FreeBSD Networking <freebsd-net@freebsd.org> Subject: Re: NAT64 return traffic vanishes after successful de-alias Message-ID: <fcd662ef-4fe8-a441-a0fd-4e6943466da0@yandex.ru> In-Reply-To: <15ce6744-91f1-e755-22c7-0c5355686d90@saltant.com> References: <9f3ee846-1357-0b73-cc0f-e001ea74b15c@saltant.com> <52463470-973e-aa5f-73f5-dd9ba39edf79@yandex.ru> <15ce6744-91f1-e755-22c7-0c5355686d90@saltant.com>
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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --zjmAOW8iFdd6K4kT5k88gLr5rbNQvJ3Z0 Content-Type: multipart/mixed; boundary="XoXjUENc0k5V9iOqAq5xREI3qAHIGD0HA"; protected-headers="v1" From: "Andrey V. Elsukov" <bu7cher@yandex.ru> To: "John W. O'Brien" <john@saltant.com>, FreeBSD Networking <freebsd-net@freebsd.org> Message-ID: <fcd662ef-4fe8-a441-a0fd-4e6943466da0@yandex.ru> Subject: Re: NAT64 return traffic vanishes after successful de-alias References: <9f3ee846-1357-0b73-cc0f-e001ea74b15c@saltant.com> <52463470-973e-aa5f-73f5-dd9ba39edf79@yandex.ru> <15ce6744-91f1-e755-22c7-0c5355686d90@saltant.com> In-Reply-To: <15ce6744-91f1-e755-22c7-0c5355686d90@saltant.com> --XoXjUENc0k5V9iOqAq5xREI3qAHIGD0HA Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 15.12.2019 19:15, John W. O'Brien wrote: > Yes, this is exactly the problem. Thank you very much! >=20 > The reason it was working in the EC2 case is because the FreeBSD AMIs > set ipv6_activate_all_interfaces=3D"YES". >=20 > It helps me quite a lot to learn the concept of "reschedules a packet > again on the same interface". That fills in a gap that I am sure will > come in handy when trying to reason about behavior in the future. >=20 > Incidentally, where are those drops counted? I did start looking at > "netstat -i" and "netstat -s" for clues, and even now that I know what > to look for, I'm not sure I know what I'm seeing. Is it "ip6: output > packets discarded due to no route"? I think you can see such drops in the `netstat -isp ip6` output for each specific interface in the `input datagram discarded` row. --=20 WBR, Andrey V. Elsukov --XoXjUENc0k5V9iOqAq5xREI3qAHIGD0HA-- --zjmAOW8iFdd6K4kT5k88gLr5rbNQvJ3Z0 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Comment: Using GnuPG with Thunderbird - https://www.enigmail.net/ iQEzBAEBCAAdFiEE5lkeG0HaFRbwybwAAcXqBBDIoXoFAl32c1YACgkQAcXqBBDI oXrdWwf/RwbBKsELj7Uk9hCaOwayYda9aI+o2/1gu5ymk+J4y0xZSEkfjPbiBcwV H/DOEzJ+UfLtHR3cPkmP/YIWQzIXqwnVBRKrrDSh6+fW7HmATfKUnSxz1tTDVOJv rNVuA1P4IW3zsOf5vJXoWaY7VRaoC8b4KufQ7a+YihCeaVcIz+C/xIo3BmUCJ4XB RxoJycE7rXmxFtdrBwushvcpL4m1PsaS+NWL1+IlSkk2JJ/6BZ0q5ju+lQqIYSFb QxMXhsztoQ8kmrPbD/lbHXwtYVy3z3VHnpFrHxXHeaZSlj0TnnvAc3pPsywQfrJd ud9xGmOvW6YVdXnQJLtMdS4UsGmXhw== =/VEf -----END PGP SIGNATURE----- --zjmAOW8iFdd6K4kT5k88gLr5rbNQvJ3Z0--
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