Few clients can't ping but they're connected
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Hello,
I am facing to a new technical problem.
Since I updated from 2.4 to 2.5.1 PfSense, I had a ping problem :I have 30 active clients since 2 years. All are working now however I had a technical problem two times.
04/07/2021 - One of my external server was rebooted. After reboot, it cannot ping any other clients. However, it was connected in OpenVPN Status page and Bytes was sent and received.
We stopped the connection in OpenVPN status and ping worked during 10 minutes only !
We stopped the connection again and ping work till now 12/07/2021.
Server is Ubuntu.08/07/2021 - PfSense was rebooted. After this, one other client can't ping. However, it is also connected in OpenVPN Status page and Bytes are sent and received.
I closed the connection 3 times but I cannot still ping it. However, still connected and data exchange done.What it could be or how I can diagnostic it ?