[BUG] Monitor not showing up when device is up after down state

[kim2yung]

Is there an existing issue for this?

• [x] I have searched the existing issues

Current Behavior

Suppose a device is up (checked manually doing ping) then in hertzbeat it shows as up. when same device is down (checked manually doing ping) it shows down in hertzbeat UI, but after sometime if device is again "up" then why in hertzbeat UI it still shows as "down", Why its not updating?

Expected Behavior

Device should update itself as "up" when device comes up after down state abd start collecting metrics.

Steps To Reproduce

No response

Environment

HertzBeat version(s):

Debug logs

No response

Anything else?

No response

[tomsun28]

ping is special. When you use root to run jvm, it use the ping. Or it will telnet the target port 7 or 15 to detect the available.