1
21.1 Legacy Series / Cannot enable jumbo frames on vlan interfaces.
« on: March 28, 2021, 01:00:31 pm »
Using single NIC (em0) physical box with Intel em driver and many vlans for testing. OPNsense 21.1-amd64
Originally em0 was left unassigned. All vlan sub-interfaces were assigned.
Setting vlan/OPT interface MTU to 9000 from Interfaces > Assignments page does not seem to work.
Adding em0 as an 'assigned interface' with 9000 mtu does not help.
I am able to apply the setting in web gui without issue, but unable to ping or route over 1500 MTU.
Originally em0 was left unassigned. All vlan sub-interfaces were assigned.
Setting vlan/OPT interface MTU to 9000 from Interfaces > Assignments page does not seem to work.
Adding em0 as an 'assigned interface' with 9000 mtu does not help.
I am able to apply the setting in web gui without issue, but unable to ping or route over 1500 MTU.