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MPLS / VXLAN / GRE Overhead
MPLS, VXLAN, GRE and 802.1Q overhead calculator: compute the usable MTU remaining after encapsulation to size a network tunnel without fragmentation.
Standard Ethernet: 1500, jumbo: 9000
4 bytes per label
0, 1 (VLAN) or 2 (QinQ)
0MTU 1500 B
Usable payload (1500 B)
0 B
Total overhead
1500 B
Usable MTU remaining