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FortiOS6.0.4 Every port starts sudden timeout and stop access



after working a day my FG1000D suddenly starts detecting session timeout at port13.

and a few minutes later all the port became to start detecting session timeout and stop access, but not failover.

every port didn't detect link down and also didn't reboot.

it looks like the session stucked without errors.


after pulling out the lan cable(HA monitoring) it started to failover and worked!

i had a maintenance replacement and failback the machine it also worked!!


is anyone having the same problem!?

or know if theres a bug....


HA(set override enable)

FortiGate1000D ×2





New Contributor


there was no attack from outside

and the VIP servers were working well.

it looks FGT1000D specific port died slowly...


after replacing the FGT1000D two weeks ago,

its still working fine.


what happend to my FGT1000D!??


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