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Splunk
Splunk
New Member
May 21, 2024
Question

PROFINET support on Fortigate/Fortiswitch

  • May 21, 2024
  • 1 reply
  • 2197 views

Hi all,

 

Profinet is new to me and I've only found some slight reference to it on ruggedised Fortigate appliances.

 

Does anyone know if it's supported on the Fortigate 500e and Fortiswitch 1024D for example?

My concern is that Profinet uses Ethertype 0x8892 which is used by Fortigate for session synchronisation and whether this will have an impact.

Many thanks,
Mark

1 reply

fricci_FTNT
Staff
fricci_FTNT
Staff
May 21, 2024

Hi @Splunk ,

 

I am not an expert in PROFINET but regarding the session syncronization those sessions are syncronised using a specific interface (HA or a further customised one, depending on FortiGate models). The link between two FortiGate in HA must be isolated from other traffic (direct cable or using dedicated switch/VLANs), so the PROFINET traffic running on different data interfaces should not disrupt the session sync running on HA or HA-dedicated-sync ports.
You may find some useful info on session sync below:

https://docs.fortinet.com/document/fortigate/6.4.0/ports-and-protocols/564712/fgcp-fortigate-clustering-protocol

https://community.fortinet.com/t5/FortiGate/Technical-Tip-FortiGate-HA-Heartbeat-packet-Ethertypes/ta-p/197807

 

Best regards,

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