I’ve seen my networks intermittently show most clients as offline although they are not.
This started happening the last few weeks, the interruptions usually lasting for more than a day.
This seems equivalent to post Suddenly all members are Offline
In my case, the clients connect perfectly to each other using my own self-hosted network controller, but not Zerotier Central controllers, in my case e5cd7a9e1c and d3ecf5726d. “zerotier-cli peers” shows connection to these controllers to be relayed. The “last seen” time in Zerotier Central shows the same offline period for the inaccessible clients. Restarting the individual zerotier-one processes or rebooting the affected machines (linux arm64 / amd64, zerotier version 1.8.7) does not seem to help. Note that the affected machines are all part of multiple zerotier networks (my.zerotier.com) as well as via a self-hosted controller). Any ideas anyone?
Update: One of the clients reports (note new, unreleased version number):
d3ecf5726d 1.8.9 LEAF 111 DIRECT 8040 8040 35.222.184.52/29503
e5cd7a9e1c 1.8.9 LEAF 112 DIRECT 15499 4729 34.123.127.218/37225
At the same time, other clients report:
d3ecf5726d - LEAF -1 RELAY
e5cd7a9e1c - LEAF -1 RELAY
d3ecf5726d 1.8.5 LEAF -1 RELAY
e5cd7a9e1c - LEAF -1 RELAY
My guess is that network controller upgrades do not get picked up by individual clients quickly, which seems to be a bug.