This object indicates the number of basic ACL. The value ranges from 2000 to 2999.
The default value is 0, indicating no configuration.
The object is used to filter the Summary LSAs that enter the area.
It is incompatible with hwOspfv2AreaFilterImpAclName, hwOspfv2AreaFilterImpPrefix,
and hwOspfv2AreaFilterImpPolicy. Only one object can be configured each time.