JN0-460 · Question #25
Which component performs VXLAN encapsulation and de-encapsulation?
The correct answer is B. VTEP. In an EVPN-VXLAN architecture, the VXLAN Tunnel Endpoint (VTEP) is responsible for encapsulating and de-encapsulating Layer 2 Ethernet frames into VXLAN packets that traverse the IP underlay. "Each device participating in a VXLAN overlay operates as a VXLAN Tunnel Endpoint…
Question
Which component performs VXLAN encapsulation and de-encapsulation?
Options
- AVLAN
- BVTEP
- Croot bridge
- DWXLAN policy
How the community answered
(18 responses)- A6% (1)
- B78% (14)
- C11% (2)
- D6% (1)
Explanation
In an EVPN-VXLAN architecture, the VXLAN Tunnel Endpoint (VTEP) is responsible for encapsulating and de-encapsulating Layer 2 Ethernet frames into VXLAN packets that traverse the IP underlay. "Each device participating in a VXLAN overlay operates as a VXLAN Tunnel Endpoint (VTEP). The VTEP encapsulates Ethernet frames into VXLAN headers for transmission and de-encapsulates VXLAN packets back into Ethernet frames upon receipt." Option A: Incorrect -- VLAN is a Layer 2 construct, not responsible for encapsulation. Option B: Correct -- VTEP handles VXLAN encapsulation and de-encapsulation. Option C: Incorrect -- root bridge pertains to STP, not VXLAN. Option D: Incorrect -- WXLAN policy is not a valid networking term in Juniper documentation.
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