We have 9 RED sites set up all phoning home to a pair of UTM220's in HA mode [running 9.106-17]. The REDs are all in Standard/Split mode, and All of them are working fine. Yesterday, one of them started showing up as "offline" - screenshot below:
The thing is, it's NOT offline- I can ping the RED itself from the primary site and also ping and access devices on the remote LAN subnet behind that RED device. I looked in the RED logs and all I see are endless "ping" and "pong" messages -- nothing useful in there at all.
Anyone seen this or know why it's happening or how to fix? All devices are Up to date as far as I know.
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