50Bytes encapsulation ( L2 service MPLS encapsulation : 22Bytes )
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UDP/VxLAN port: 8472
QFX5k : UDP destination port is set to port 4789 by definition
VXLAN Header: This is an 8-byte field that has:
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other. 16 million VXLAN segments segments ( 2^24 = 16777216 )
- Reserved fields (24 bits and 8 bits): MUST be set to zero on
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