hwL2IfTrunkAllowPassVlanListHigh 1.3.6.1.4.1.2011.5.25.42.1.1.1.10.1.3

This object indicates high-bit VLANs carried in packets that can pass through the trunk interface. There are 2048 high-bit VLANs (2048-4095) and 4095 is not used.