This object indicates the direction in which the MEP sends the 802.1ag
protocol packets.
The value of this object can be:
invalid: indicates the invalid value.
dirInward: indicates that the 802.1ag protocol packets sent by an
inward-facing MEP are transmitted through all the interfaces
in the VLAN associated with the current MA (except the
interface where the MEP resides). That is, an inward-facing
MEP broadcasts the 802.1ag protocol packets in the VLAN
associated with the current MA.
dirOutward: indicates that the 802.1ag protocol packets sent by an
outward-facing MEP are transmitted directly through the
interface on which the MEP resides.
By default, the value is invalid.