1.TP 2[\fB!\fP] \fB\-\-cpu\fP \fInumber\fP 3Match cpu handling this packet. cpus are numbered from 0 to NR_CPUS-1 4Can be used in combination with RPS (Remote Packet Steering) or 5multiqueue NICs to spread network traffic on different queues. 6.PP 7Example: 8.PP 9iptables \-t nat \-A PREROUTING \-p tcp \-\-dport 80 \-m cpu \-\-cpu 0 10\-j REDIRECT \-\-to\-port 8080 11.PP 12iptables \-t nat \-A PREROUTING \-p tcp \-\-dport 80 \-m cpu \-\-cpu 1 13\-j REDIRECT \-\-to\-port 8081 14.PP 15Available since Linux 2.6.36. 16