The QinQ translation type being performed on the interface.
'doubleToSingle' - Double tagged to single tagged traffic.
The value of cqvTranslationTrunkPeVlanId
will be zero. This indicates that the PE
VLAN tag will be absent in the trunk
interface.
'doubleToDouble' - Double tagged to double tagged traffic.
The value of the internal PE and CE, and
the trunk PE and CE VLAN IDs are
non-zero.
'doubleToDoubleOutOfRange' - Double tagged to double tagged
traffic that does not have a defined
translation. The value of
cqvTranslationInternalCeVlanId will be
zero. This indicates that the CE
VLAN tag is being used as a wildcard.