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rhap4boy
rhap4boy
New Member
May 28, 2025
Question

Link monitor in transparent mode

  • May 28, 2025
  • 1 reply
  • 710 views

Is it possible to do link monitor for two fortigates in active/passive HA pair in transparent mode? If so how? What are the limitations?

1 reply

knaveenkumar
Staff
knaveenkumar
Staff
May 29, 2025

Hi , 

 

Yes, it is possible to configure link monitoring for two FortiGate in an active/passive HA pair operating in transparent mode.
below is the step for how you can set it up and the limitations to consider:


step1- Configure HA- For both FortiGates are configured for HA with the same settings and connected via their heartbeat interfaces.

step2- next Set Up Link Monitor
- Use the CLI to configure link monitoring as there is no GUI option for this in transparent mode.
- Define the link monitor settings, specifying the source interface, protocol (e.g., ping), and the gateway IP to monitor.

step3. Failover Config.
- Ensure that the HA configuration is set to failover to the secondary unit if the link monitor detects a failure.

Limitations are below:
if you config Link monitoring in transparent mode must be configured via CLI, so No GUI Support
Limited Monitoring Options like Transparent mode may limit the ability to monitor certain types of traffic or interfaces compared to NAT mode.

 

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