JN0-460 · Question #51
In a Juniper Mist campus fabric deployment using EVPN-VXLAN, which component performs the VXLAN encapsulation and de-encapsulation functions?
The correct answer is B. VTEP. Comprehensive and Detailed Explanation From Exact Extract: In EVPN-VXLAN architectures, the VXLAN Tunnel Endpoint (VTEP) is the logical interface responsible for encapsulating and de-encapsulating Layer 2 Ethernet frames into VXLAN packets. Each participating switch…
Question
In a Juniper Mist campus fabric deployment using EVPN-VXLAN, which component performs the VXLAN encapsulation and de-encapsulation functions?
Options
- AVLAN
- BVTEP
- CEVPN route reflector
- DGBP tag
How the community answered
(25 responses)- A4% (1)
- B80% (20)
- C12% (3)
- D4% (1)
Explanation
Comprehensive and Detailed Explanation From Exact Extract: In EVPN-VXLAN architectures, the VXLAN Tunnel Endpoint (VTEP) is the logical interface responsible for encapsulating and de-encapsulating Layer 2 Ethernet frames into VXLAN packets. Each participating switch -- typically the access or distribution node -- hosts a VTEP that maps local VLANs to VXLAN Network Identifiers (VNIs). When a packet leaves a local VLAN, the VTEP encapsulates it in a VXLAN header and routes it through the underlay IP fabric. When received at the destination VTEP, the frame is de-encapsulated and delivered to the appropriate local VLAN. "VTEPs in an EVPN-VXLAN campus fabric perform MAC-to-VNI mapping and encapsulate/decapsulate traffic between virtualized network segments, allowing seamless Layer 2 and Layer 3 connectivity across an IP underlay."
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