hwL2IfTrunkAllowPassVlanListLow 1.3.6.1.4.1.2011.5.25.42.1.1.1.10.1.2

This object indicates low-bit VLANs carried in packets that can pass through the trunk interface. There are 2048 low-bit VLANs (0-2047) and VLAN 0 is not used.