NGFW-ENGINEER · Question #30
Which interface types should be used to configure link monitoring for a high availability (HA) deployment on a Palo Alto Networks NGFW?
The correct answer is C. Virtual Wire, Layer 2, and Layer 3. Link monitoring in a Palo Alto Networks HA deployment watches the state of data-plane interfaces and triggers a failover if a monitored link goes down. The interface types eligible for link monitoring are Virtual Wire, Layer 2, and Layer 3 - these are the interface types that…
Question
Which interface types should be used to configure link monitoring for a high availability (HA) deployment on a Palo Alto Networks NGFW?
Options
- AHA, Virtual Wire, and Layer 2
- BTap, Virtual Wire, and Layer 3
- CVirtual Wire, Layer 2, and Layer 3
- DHA, Layer 2. and Layer 3
How the community answered
(39 responses)- A10% (4)
- B3% (1)
- C79% (31)
- D8% (3)
Explanation
Link monitoring in a Palo Alto Networks HA deployment watches the state of data-plane interfaces and triggers a failover if a monitored link goes down. The interface types eligible for link monitoring are Virtual Wire, Layer 2, and Layer 3 - these are the interface types that carry production traffic. Answer C lists exactly these three types. HA interfaces (used for heartbeat and session state synchronization) are dedicated control-plane links and are not configured as link-monitored interfaces - they have their own failure detection mechanism. Tap interfaces are passive, read-only monitoring ports and have no role in HA link monitoring. Answers A and D incorrectly include the HA interface type. Answer B incorrectly includes Tap and omits Layer 3.
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