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Hi, engineers, the device is equipped with a hardware bypass card. When a certain interface of the bypass card is down, will the device enter bypass mode?
You are probably referring to Fail-Open NIC. It goes to fail-open mode when there is a power or software failure of the appliance. If one of ports on the card itself is down, fail-open is not activated.
I think you misunderstand the purpose of FO NIC. It is to maintain connectivity in case of appliance failure. It short-cuts the network cables, allowing two ports to be connected directly, when the appliance where FO NIC is installed is down because of any failure.
Here is quite from https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solut...
The appliance enters Bypass Mode, if one of the following occurs:
However, we do encounter in the user's case, when the device hardware bypass card two interface occurs link down, and then the device into bypass mode
I would involve TAC to get to the root of this!
From what you are showing, it is the other way around. First, the card goes into bypass, then one of the interfaces goes down.
Agree with @G_W_Albrecht, looks like a support case
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