.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.