How many bytes does a VxLAN header add to an original Ethernet frame?
How many bytes does a VxLAN header add to an original Ethernet frame?
A VxLAN (Virtual Extensible LAN) header adds 50 bytes to an original Ethernet frame. This includes an 8-byte outer UDP header, an 8-byte VxLAN header, a 14-byte outer Ethernet header, and a 20-byte outer IP header.
https://www.cisco.com/c/en/us/td/docs/solutions/CVD/Campus/cisco-sda-design-guide.html#DataPlaneVXLAN
https://www.cisco.com/c/en/us/support/docs/lan-switching/vlan/212682-virtual-extensible-lan-and-ethernet-virt.html
https://www.cisco.com/c/dam/en/us/td/docs/solutions/CVD/Campus/CVD-Software-Defined-Access-Design-Guide-2019SEP.pdf Apendix A