Dpinger stucks at offline after failure of the Gateway and after it recovered it never goes online again
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Threads similar to it:
https://forum.netgate.com/topic/156890/dpinger-broken-or-dashboard-broken-or-my-brain-is-broken
https://forum.netgate.com/topic/111753/gateway-showed-as-offline-but-working-dpinger-trouble
https://forum.netgate.com/topic/107789/multi-wan-on-offline-state/17
TlDr;
After a Gateway fails, the State goes to "Offline 100% Packetloss". The Gateway recovers but Dpinger stays at State "offline".I have the exact Problem, except i dont have a Fritzbox infront of it, neither a ICMP-Payload helps. But its a CableModem (TC-4400) in the old Unitymedia Area.
I tried to install a fresh PFsense and everything works, as soon as I restore a Backup thorugh the GUI it wont work anymore. So it have to be a config issue.
As soon as i restart the Dpinger Service it instantly works. Also if I configure anything with any Gateway it works again (State=Online).
I cant find anything in the Logs and i have no clue how i can go forward and i would like avoiding setting up my whole Pfsense again...
EDIT1:
Under Gateway Dpinger "writes":
Oct 1 01:15:19 dpinger 20231 KABEL_DHCP 1.1.1.0: sendto error: 65 (65=No Route)
As long as the Gateway is down, after it recovers no more entries are added.The Public IP stays the same, so no binding issue here.