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