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Exam NSE8_811 topic 1 question 49 discussion

Actual exam question from Fortinet's NSE8_811
Question #: 49
Topic #: 1
[All NSE8_811 Questions]

You are asked to implement a single FortiGate 5000 chassis using Session-aware Load Balance Cluster (SLBC) with Active-Passive FortiControllers. Both
FortiControllers have the configuration shown below, with the rest of the configuration set to the default values.

Both FortiControllers show Master status.
What is the problem in this scenario?

  • A. The b1 interface of the two FortiControllers do not see each other.
  • B. The management interface of both FortiControllers was connected on the same network.
  • C. The chassis ID settings on FortiController on slot 2 should be set to 2.
  • D. The priority should be set higher for FortiController on slot-1.
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Suggested Answer: A 🗳️
by brainlet at Dec. 5, 2021, 2:55 p.m.

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aioross
2 years, 6 months ago
Correct: A
upvoted 1 times
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FortiTorti
2 years, 9 months ago
Ill say that its not even a valid config. A/P should not be using Dual Mode anyway... https://docs.fortinet.com/document/forticontroller/5.2.11/session-aware-load-balancing-cluster-guide/225362/configuring-the-forticontrollers https://docs.fortinet.com/document/forticontroller/5.2.11/session-aware-load-balancing-cluster-guide/225362/configuring-the-forticontrollers
upvoted 1 times
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Sb_2021
3 years, 3 months ago
Selected Answer: A
It should be A: https://docs.fortinet.com/document/forticontroller/5.2.11/session-aware-load-balancing-cluster-guide/680739/active-passive-slbc-with-two-forticontroller-5103bs
upvoted 3 times
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brainlet
3 years, 5 months ago
Selected Answer: D
https://docs.fortinet.com/document/forticontroller/5.2.11/session-aware-load-balancing-cluster-guide/659114/configuring-the-forticontrollers
upvoted 1 times
Endja
3 years, 4 months ago
You are incorrect the correct answer is A. Those Heartbeat interfaces don't see eachother and they are becoming both master. This creates a split brain. Configure and connect redundant heartbeat interfaces so that if one heartbeat interface fails or becomes disconnected, HA heartbeat traffic can continue to be transmitted using the backup heartbeat interface. If heartbeat communication fails, all cluster members will think they are the primary unit resulting in multiple devices on the network with the same IP addresses and MAC addresses (condition referred to as Split Brain) and communication will be disrupted until heartbeat communication can be reestablished.
upvoted 3 times
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C (25%)
B (20%)
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