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5V0-21.20 · Question #84

Refer to the exhibit. A vSAN Cluster stretched across Data Site 1 and Data Site 2 has a vSAN data network configured with an MTU of 9000. The witness node has been placed in a remote site across a…

The correct answer is A. Reduce the MTU from 9000 to 1500 on all vSAN VMkernel interfaces. D. Reconfigure WAN link to support an MTU of 9000. https://kb.vmware.com/s/article/2141733

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Question

Refer to the exhibit. A vSAN Cluster stretched across Data Site 1 and Data Site 2 has a vSAN data network configured with an MTU of 9000. The witness node has been placed in a remote site across a WAN with an MTU of 1500. The vSAN health check, 'vSAN: MTU check (ping with large packet size)', reports a failed ping. What two actions could resolve the issue? (Choose two.)

Exhibits

5V0-21.20 question #84 exhibit 1
5V0-21.20 question #84 exhibit 2

Options

  • AReduce the MTU from 9000 to 1500 on all vSAN VMkernel interfaces.
  • BReconfigure the VLAN of the witness traffic to be identical to data nodes.
  • CConfigure proper routing from data sites to the witness across the WAN.
  • DReconfigure WAN link to support an MTU of 9000.
  • EStretch L2 traffic from WAN to both data sites.

How the community answered

(42 responses)
  • A
    79% (33)
  • B
    12% (5)
  • C
    2% (1)
  • E
    7% (3)

Explanation

https://kb.vmware.com/s/article/2141733

Topics

#stretched cluster#MTU#witness#WAN connectivity

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