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benoitc
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dont-fragment option in vxlan

Sat Mar 25, 2023 4:21 pm

With this option can we imagine to setup a vxlan over the internet with a higher MTU ? Would it ref-fragment it when it comes?
 
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Amm0
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Re: dont-fragment option in vxlan

Sat Mar 25, 2023 5:24 pm

Haven't specifically tested it. But my thought be you'd only use don't fragment if you knew for sure you had a higher MTU available over the entire path & wanted it to fail if not.

If your WAN is 1500, VXLAN has to be 1450 (or lower if full path is lower) if you want to use dont-fragment.

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