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FCP_FGT_AD-7.6 · Question #33

An administrator wants to configure dead peer detection (DPD) on IPsec VPN for detecting dead tunnels. The requirement is that FortiGate sends DPD probes only when there is no inbound traffic. Which…

The correct answer is D. On Demand. Disable: Disable Dead Peer Detection. On-idle: Trigger Dead Peer Detection when no IPsec traffic is received. On-demand: Trigger Dead Peer Detection when no IPsec traffic is received AND FortiGate has been sending IPsec traffic. On-demand is the default setting.

Submitted by wei.xz· Apr 18, 2026VPN

Question

An administrator wants to configure dead peer detection (DPD) on IPsec VPN for detecting dead tunnels. The requirement is that FortiGate sends DPD probes only when there is no inbound traffic. Which DPD mode on FortiGate meets this requirement?

Options

  • AEnabled
  • BOn Idle
  • CDisabled
  • DOn Demand

How the community answered

(34 responses)
  • A
    6% (2)
  • C
    3% (1)
  • D
    91% (31)

Explanation

Disable: Disable Dead Peer Detection. On-idle: Trigger Dead Peer Detection when no IPsec traffic is received. On-demand: Trigger Dead Peer Detection when no IPsec traffic is received AND FortiGate has been sending IPsec traffic. On-demand is the default setting.

Topics

#DPD#IPsec VPN#FortiGate DPD Modes#Tunnel Monitoring

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