Indicates whether the secure MAC address aging
mechanism is enabled on static MAC address entries
in cpsSecureMacAddressTable.
Setting this object value to 'false' will cause
the static MAC addresses to remain in the
cpsSecureMacAddressTable regardless of the aging
time and type configured on the interface.
Setting this object value to 'true' will cause
the static MAC addresses to be aged out from
cpsSecureMacAddressTable according to the aging
time and type specified on the interface.