ifExtTrunkNativeVlanId 1.3.6.1.4.1.14823.2.2.1.3.1.1.1.11

The native VLAN Id of the Port, when the port is in dot1q mode. This object provides default switch port value if ifExtIsMonitoring is true(1). This object is deprecated in favour of ifExtNTrunkNativeVlanId.