Enquiry regarding Palo Alto Firewall Model: PA-3250

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Enquiry regarding Palo Alto Firewall Model: PA-3250

L1 Bithead

Hi Palo Alto support,

 

I would like to enquire the following questions pertaining our existing firewall.

  1. If our Palo Alto fw fails in the OS layer, does the traffic still passes through?
  2. If our Palo Alto fw fails in the hardware layer, does the traffic still passes through?
  3. When our Palo Alto fw boots up, deos the OS layer comes up first or ethernet ports comes up first?
  4. Is it the same behaviour for other model like PA 3020?

Below is fw details:

Model: PA-3250

software version: 9.1.15

1 REPLY 1

Cyber Elite
Cyber Elite

Hello @SKumarDoli

 

thanks for posting.

 

For points No.1 and 2, I am afraid that the answer is no. Palo Alto Firewalls do not have "bump in the wire" feature that bypass switch to allow flowing of traffic even though there is a hardware failure or device is powered off. To address shortcomings of points No.1 and 2, I would recommend to build an HA pair. Here is the link for documentation HA Overview.

 

Regarding point No.3, the OS has to come up first, then perform auto-commit, then all data plane interfaces are up. Here is the link for KB.

 

Regarding point No.4. yes, the behavior is the same for PA-3020 and PA-3250.

 

Kind Regards

Pavel

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