On 9/11/23 03:56, Michael S. Keller via Dng wrote:
> My oldest Linux host has trouble with IPv6. Apparently it's the only
> host in my home network that does have trouble with it (of those that
> can do IPv6), and I've run out of ideas. All tests are in the same
> network - traffic does not cross into my ISP's area. The same symptom
> has persisted across two different switch/router combos - first an old
> Airport Extreme, now a TP-Link Deco XE75.
--
Try setting up a direct cable connection between the two devices without
a switch. That will eliminate the possibility of other devices on the
LAN causing the problem.