ZyXEL Communications XGS3600 Series Manual page 233

The inner tag VLAN ID for the ECE. The allowed range is from 0 through 4094.
Inner Tag PCP/DEI Preservation :

The inner tag PCP and DEI preservation for the ECE. The possible values are:
Preserved: The inner tag PCP and DEI is preserved.
Fixed: The inner tag PCP and DEI is fixed.
Inner Tag PCP :

The inner tag PCP value for the ECE. The allowed range is from 0 through 7.
Inner Tag DEI:

The inner tag DEI value for the ECE. The allowed value is 0 or 1.
Buttons:

Apply – Click to apply changes.
Reset- Click to undo any changes made locally and revert to previously saved
values.
XGS3600 Series User's Guide
226