Cannot ping between macs

Installed zerotier 1.12.2 on 2 macs Sonoma 14.5

Cant get ping to work.

Have checked firewall. Zerotier ia allowed. Even switch off firewall on both computers but still not working.
Restarted both computers but no help.
Screenshot 2024-05-27 at 4.12.13 PM
Before I upgrade mac os some time ago it was working.

Any help greatly appreciated.

Try an older version

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fantastic it worked.
Thanks very much

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