macfilterTarget
1.3.6.1.4.1.890.1.5.5.6.10.53.6.1
This managed object is used for identify the target on which
the port configuration should be performed. The target is encoded as:
Byte 1: 0, Reserved(chassis)
Byte 2~3: 0, Reserved(slot)
Byte 4: 0, reserved
Byte 5~11:each octet specifies a set of eight ports, with the first
octet specifying ports 1 through 8, etc.