1 Match device group of a packets incoming/outgoing interface. 2 .TP 3 [\fB!\fP] \fB\-\-src\-group\fP \fIname\fP 4 Match device group of incoming device 5 .TP 6 [\fB!\fP] \fB\-\-dst\-group\fP \fIname\fP 7 Match device group of outgoing device 8