This object contains the second 2048 bits of the 4096 bit vector
indicating which SVLAN IDs are assigned to this service instance. The
lowest order bit of the first octet corresponds to SVLAN 2049, while
the third highest order bit of the last octet corresponds to SVLAN
4094. A bit that is on (equal to 1) indicates that the corresponding
SVLAN ID is assigned to this service instance.