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Question 91 - HPE7-A01 discussion

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Which statements are true regarding a VXLAN implementation on Aruba Switches? (Select two.)

A.
MTU size must be increased beyond the default
Answers
A.
MTU size must be increased beyond the default
B.
VNIs encapsulate and decapsulate VXLAN traffic
Answers
B.
VNIs encapsulate and decapsulate VXLAN traffic
C.
VTEPs encapsulate and decapsulate VXLAN traffic
Answers
C.
VTEPs encapsulate and decapsulate VXLAN traffic
D.
They are only available for datacenter switches (CX 8k, 9k,10k)
Answers
D.
They are only available for datacenter switches (CX 8k, 9k,10k)
E.
All Aruba CX switches support VXLAN.
Answers
E.
All Aruba CX switches support VXLAN.
Suggested answer: A, B

Explanation:

Option A: MTU size must be increased beyond the default

This is because option A shows how to configure the MTU size for VXLAN tunnels on Aruba switches using the interface command and the vxlan command.The MTU size must be increased beyond the default value of 1500 bytes to accommodate the VXLAN header and payload2.

Therefore, option A is true regarding a VXLAN implementation on Aruba switches.

Option B: VNIs encapsulate and decapsulate VXLAN traffic

This is also true regarding a VXLAN implementation on Aruba switches. VNIs are used to encapsulate and decapsulate VXLAN traffic between two devices, such as a switch and a server.VNIs are also used to map VXLAN tunnels to overlay networks3.

Therefore, option B is also true regarding a VXLAN implementation on Aruba switches.

VXLAN is a Layer 2 encapsulation technology that substitutes the usage of VLAN numbers to label Ethernet broadcast domains with VXLAN numbers. VXLAN supports 224 Ethernet broadcast domains or VXLAN numbers. A VXLAN number ID is referred to as VNI. There is a one-to-one relationship between an Ethernet broadcast domain and a VNI. A single Ethernet broadcast domain can't have more than one VNI.

asked 16/09/2024
Reselan Govender
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