High Availability Hello Packet Interval and Threshold

firdaus9090 Lv1Posted 24 Oct 2024 12:21

hi Community,

We are doing high availability configuration for the Network Secure Firewall (NSF).
Please help me on this info. What is the recommended Hello packet interval and threshold and what to be based on ?


thanks

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224636719ca85dbe68.png

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HiHi,

The “Hello packet” refers to the frequency at which messages are sent between the primary and secondary firewalls to check the status and ensure synchronization. This interval helps in maintaining the HA state by regularly verifying that both firewalls are operational and in sync.

Please refer to the picture below for the description:


Also, please find the attached file for detailed information on NSF HA.
SANGFOR_NSF_V8.0.85_Professional_2024_01_High_Availability.pdf (1.24 MB, Downloads: 26)
Is this answer helpful?
Faisal P Posted 28 Oct 2024 11:26
  
The configuration
Hello Packet Interval: 1 second
Threshold: 3 missed packets
firdaus9090 Lv1Posted 25 Oct 2024 15:27
  
hi Community,

I know that the default configuration interval is 1000ms and threshold is 3, is that also the recommended configuration ?

thanks
Farina Ahmed Lv5Posted 24 Oct 2024 13:50
  
Hello packet interval is just like a keep alive msg timer, if another NSF not respond within that time then it will be consider down (failure), and Hello Packet Threshold is for the number of packet that should be sent during one time interval within this 1000ms. maximum only three packets should be send not more than that, otherwise it will create blockage in the link between two NSF.

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