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Actual MTU will decrease after connected

Posted: Thu Mar 07, 2019 7:43 am
by akharaphan
Hi All
I facing Problem about Actual MTU will decrease after connected. please let me know algorithm to calculate Actual MTU. i need to find down why mtu decrease.

Thank You.

Re: Actual MTU will decrease after connected

Posted: Thu Mar 07, 2019 9:15 am
by Guntis
You need to adjust both L2MTU and MTU values for interface, and if interface is part of a bridge, check MTU values for the bridge and other bridge ports as well.
Possibly related - https://wiki.mikrotik.com/wiki/Manual:L ... _interface