libxt_CLASSIFY.man

This module allows you to set the skb\->priority value (and thus classify the packet into a specific CBQ class).
.TP
\fB\-\-set\-class\fP \fImajor\fP\fB:\fP\fIminor\fP
Set the major and minor class value. The values are always interpreted as
hexadecimal even if no 0x prefix is given.