Thursday, December 17, 2020

IPSec Network. Question about mtu.

Hello awesome community,

Since I am a network noob, I was wondering, since it is recommended to lower the MTU on tunnels over IPsec to avoid packet fragmentation.

Should one lower also the LAN side's MTU and all the devices MTU, or just leave them at the default 1500?

I am really confused about that part. And googling didn't really help me. Any opinion with a small explaination will be greatly appreciated.



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