In a Cisco SD-Access network where VXLAN is used for encapsulating data packets, what is the minimum MTU setting that devices should be configured with?
Guess the other way around - overlay uses 1500, underlay needs to add extra 50B.
Cisco:
" Due to the MAC-to-UDP encapsulation, VXLAN introduces 50-byte overhead to the original frames. Therefore, the maximum transmission unit (MTU) in the transport network needs to be increased by 50 bytes. If the overlays use a 1500-byte MTU, the transport network needs to be configured to accommodate 1550-byte packets at a minimum. Jumbo-frame support in the transport network is required if the overlay applications tend to use larger frame sizes than 1500 bytes."
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