Manipulate the Maximum Transmission Unit (MTU) on the MikroTik Switch

In this LAB, I am going to increase the Layer3 and Layer2 MTU and check the output. Below is our scenario:

As you can see, I have 2 routers connected to each other on their Ether1 interfaces. I am going to increase the MTU on L3 and L2, then see the result.

Let’s increase the Layer 3 MTU to 2000 and Layer 2 MTU to 2028 on interface Eth1 or R1.

Let’s change the MTU’s on R2 same as we did on R1:

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