Specifies that the access rule will only apply to port(s) which belong to this port group. This object and swEgressACLEtherRuleVID, swEgressACLEtherRulePort can not be set together.When you set swEgressACLEtherRuleVID or swEgressACLEtherRulePort the value of this object will change to 0 automatically. Note:The range of this object is (0..N). The value N means the max number. It is determined by the project itself.A value of 0 indicates that this object is not active.
Sources for this description
D-Link official switch MIBsD-Link MIB copies (LibreNMS/Observium Community)