Which statement is correct about the VXLAN data plane?
A.
The data plane learns the IP addresses of end-user devices.
B.
The data plane advertises the MAC addresses of end-user devices.
C.
The data plane encapsulates the traffic.
D.
The data plane learns the MAC addresses of end-user devices.
The Answer Is:
C
This question includes an explanation.
Explanation:
VXLAN (Virtual Extensible LAN) uses an overlay encapsulation method to carry Layer-2 frames over an IP underlay. This functionality is part of the data plane, which is responsible for packet forwarding and encapsulation/decapsulation.
βIn an EVPN-VXLAN fabric, the control plane (via BGP EVPN) learns and advertises MAC and IP information, while the data plane encapsulates and forwards traffic using VXLAN tunnels between VTEPs.β
Option A is incorrect: IP learning happens in the control plane, not the data plane.
Option B is incorrect: MAC advertisement is done in the control plane through EVPN route types.
Option D is incorrect: MAC learning is handled by EVPN control plane, not the VXLAN data plane.
Option C is correct: the VXLAN data plane encapsulates the traffic in UDP tunnels between VTEPs.
[References:, , Juniper Mist AI for Wired β EVPN-VXLAN Overview, , Juniper Validated Design β EVPN-VXLAN Control and Data Plane Separation, , Junos OS EVPN-VXLAN Deployment Guide, , ===========, , ]
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