NSE7 Advanced VPN and Zero Trust Practice Question
A FortiGate administrator configures a hub-and-spoke VPN with OSPF routing. The spoke FortiGates are learning routes from the hub, but inter-spoke traffic is being routed through the hub instead of using shortcut tunnels. What configuration is missing on the hub to allow ADVPN shortcut establishment?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Disable route redistribution from OSPF into the VPN tunnel interface on the hub
For ADVPN to work, the hub must have 'auto-discovery-sender' enabled and also must not redistribute spoke routes back to other spokes in a way that prevents shortcut. Typically, the hub should not redistribute OSPF routes learned from one spoke into another; ADVPN relies on IKE shortcuts.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Set the VPN interface type to 'tunnel' instead of 'vlan'
Why it's wrong here
Interface type doesn't affect ADVPN.
- ✓
Disable route redistribution from OSPF into the VPN tunnel interface on the hub
Why this is correct
If the hub redistributes routes between spokes, traffic will always go through hub. ADVPN requires that OSPF does not redistribute; shortcuts are triggered by IKE.
- ✗
Enable 'auto-discovery-sender' on the hub and 'auto-discovery-forwarder' on spokes
Why it's wrong here
'auto-discovery-forwarder' is not a valid setting; spokes use 'auto-discovery-receiver'.
- ✗
Configure a static route for inter-spoke traffic on the hub
Why it's wrong here
Static routes would make traffic hub-dependent, not shortcut.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This NSE7 practice question is part of Courseiva's free Fortinet certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the NSE7 exam.