Hardware Offloading for IPsec Encryption/Decryption on FortiGate

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Questions and Answers

Which FortiGate models support hardware offloading of IPsec encryption and decryption?

  • Only some FortiGate models (correct)
  • None of the FortiGate models
  • All FortiGate models
  • FortiGate models with a specific processor type

By default, is hardware offloading enabled for supported algorithms?

  • It depends on the processor type
  • It depends on the model
  • Yes (correct)
  • No

What command can you use to disable hardware offloading per tunnel if necessary?

  • get vpn ipsec stats tunnel
  • diagnose vpn ike gateway list
  • config vpn ipsec phase1-interface (correct)
  • diagnose vpn ike gateway clear

What information does the command 'get vpn ipsec stats tunnel' provide?

<p>Global overall counters related to all active VPNs (C)</p> Signup and view all the answers

What information does the command 'diagnose vpn ike gateway list' provide?

<p>Summarized information about the VPNs (D)</p> Signup and view all the answers

What effect does the command 'diagnose vpn ike gateway clear' have?

<p>Clears all phase-1s of all V-Doms (A)</p> Signup and view all the answers

What command provides detailed information for the active IPsec tunnels?

<p>get vpn ipsec tunnel details (A)</p> Signup and view all the answers

What is the default setting for hardware offloading on FortiGate models?

<p>Enabled for some algorithms (D)</p> Signup and view all the answers

What does the command 'diagnose vpn ike gateway clear' do?

<p>Clears all VPNs (B)</p> Signup and view all the answers

What does the command 'get vpn ipsec stats tunnel' provide?

<p>Global overall counters related to all active VPNs (B)</p> Signup and view all the answers

Which command displays the current IPsec SA information for all active tunnels?

<p>diagnose vpn tunnel list (A)</p> Signup and view all the answers

Which command provides SA information about a specific tunnel?

<p>diagnose vpn tunnel list name {name} (C)</p> Signup and view all the answers

What are the default UDP port numbers for IKE and IKE NAT-T, respectively?

<p>UDP port 500 and UDP port 4500 (A)</p> Signup and view all the answers

If NAT-T is enabled and there is a FortiGate located in the middle that is running NAT, what UDP port does IKE traffic use during the tunnel negotiation?

<p>UDP port 4500 (C)</p> Signup and view all the answers

What protocol is ESP traffic encapsulated in when NAT-T is enabled?

<p>UDP (D)</p> Signup and view all the answers

If the VPN is up but the traffic can't cross the tunnel, what command should you use to troubleshoot?

<p>debug flow (A)</p> Signup and view all the answers

What does the debug flow command show when traffic is crossing an IPsec tunnel?

<p>Packet entering the tunnel (D)</p> Signup and view all the answers

What does the output of the debug flow command show if the traffic is not crossing the tunnel due to a routing misconfiguration?

<p>Routing misconfiguration (C)</p> Signup and view all the answers

What does the debug flow command display if the traffic drops and why?

<p>Traffic drops and the reason (A)</p> Signup and view all the answers

What does the debug flow command show after the phase-2 negotiation?

<p>Extended authentication (B)</p> Signup and view all the answers

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