Which of the following UDP ports is the UDP port officially assigned by the IANA for VXLAN?
- 8947
- 4789
- 8472
- 4987
Explanation: The IANA’s assigned VXLAN UDP destination port is 4789, while for Linux it is port 8472. The reason for this discrepancy is that when VXLAN was first implemented in Linux, the VXLAN UDP destination port had not yet been officially assigned, and Linux decided to use port 8472 because many vendors at the time were using that value.
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