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FCSS_NST_SE-7.6 · Question #89

Which actions does FortiGate take after an administrator enables the auxiliary session setting? (Choose two.)

The correct answer is C. FortiGate creates two sessions in case of a routing change. D. FortiGate accelerates all ECMP traffic to the NP6 processor. FortiGate creates two sessions in case of a routing change. When the return or incoming interface changes (for example due to ECMP or a routing update), FortiOS creates an auxiliary ("reflect") session alongside the original one, so that traffic can continue uninterrupted…

Analyze and Troubleshoot FortiGate Operation

Question

Which actions does FortiGate take after an administrator enables the auxiliary session setting? (Choose two.)

Options

  • AFortiGates creates a new auxiliary session for each packet it receives.
  • BFortiGate only offloads auxiliary sessions.
  • CFortiGate creates two sessions in case of a routing change.
  • DFortiGate accelerates all ECMP traffic to the NP6 processor.

How the community answered

(25 responses)
  • A
    4% (1)
  • B
    4% (1)
  • C
    92% (23)

Explanation

FortiGate creates two sessions in case of a routing change. When the return or incoming interface changes (for example due to ECMP or a routing update), FortiOS creates an auxiliary ("reflect") session alongside the original one, so that traffic can continue uninterrupted across both session paths. FortiGate accelerates all ECMP traffic to the NP6 processor. With auxiliary sessions enabled, even when traffic egresses/ingresses on different interfaces under ECMP, both the original and auxiliary sessions remain offloaded to the NP6, ensuring hardware acceleration is maintained.

Topics

#auxiliary session#ECMP#NP6 offload#session handling

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