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NSE 5 - FortiSwitch 7.6 Administrator Exam Materials - Question #49 Discussion

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What happens when a routed VLAN interface (RVI) is configured on a FortiSwitch port or trunk? (Choose one answer)

  • A. VLAN 1 is automatically assigned for management.
  • B. The port becomes a layer 3 interface with VLAN 4095 assigned automatically.
  • C. All VLANs on the port are terminated in a trunk by default.
  • D. The port becomes a layer 3 interface and assigned to VLAN 1.
Correct Answer: B

Brave-Dump Community Votes

Answer: B (1 vote) 100%

Community Explanations & Comments (1)

javaughn Bryan 10 months ago
Selected: B
B is correct.

RVIs are configured to enable layer 3 routing on a FortiSwitch port or VLAN, which allows FortiSwitch to route traffic between VLANs to upstream networks, without using a router.

When RVI is enabled on a switch port or trunk, VLAN 4095 is assigned automatically at the backend. This method signals to the system that the port is no longer a layer 2 switch port but a layer 3 RVI, and all layer 2 features are disabled.

VLAN 4095 is frequently reserved across networking platforms, and in FortiSwitch is reserved to tag interfaces as layer 3.

FortiSwitchOS 7.2 and later support VRF, which allows for routing isolation across different RVIs.

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