Enable maximum transmission unit (MTU) ignore. To allow the switch to accept OSPF database description (DBD) packets with a different MTU size, enable mtu-ignore. Incoming OSPF DBD packets are dropped if their MTU is greater than 1500 bytes.
default ip ospf mtu-ignore enable
ip ospf mtu-ignore enable
ip ospf port {slot/port[/sub-port][-slot/port[/sub-port]][,...][slot/all][all]} mtu-ignore enable
no ip ospf mtu-ignore enable
Identifies the slot and port in one of the following formats:
a single slot and port (slot/port)
a range of slots and ports (slot/port-slot/port)
a series of slots and ports (slot/port,slot/port,slot/port)
all ports on the same slot (slot/all)
all ports on the switch (all)
None
GigabitEthernet Interface Configuration