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show vlan id xy - MTU

Hi everybody!

I have a question to MTU sizes. I am using a 7606.

For my understanding, there is the Layer 2 MTU and the Layer 3 MTU.

I have configured the physical L2 Interface with a MTU size of 9216.

And I have configured the logical L3 Interface with a MTU size of 1600.

When I look directly to the VLAN (show vlan id xy), the output says MTU 1500.

What does this MTU size mean?

The configuration as I mentioned above (L2 MTU 9216; L3 MTU 1600) is working correctly.

But I do not understand this VLAN MTU 1500, as I have a L2 MTU of 9216.

Thanks for your replies ;-)

1 Reply 1

May it be, that this is only a cosmetic/historic indicator?