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