1.TP
2.BR "--mac-source " "[!] \fIaddress\fP"
3Match source MAC address. It must be of the form XX:XX:XX:XX:XX:XX.
4Note that this only makes sense for packets coming from an Ethernet device
5and entering the
6.BR PREROUTING ,
7.B FORWARD
8or
9.B INPUT
10chains.
11