Linux Solutions

Welcome to the tutorial guide. The guide will provide a user with advise and guidance on advanced filters for re-classifying packets. Please note that filters are a requirement in order to classify packets into any of the sub-queues. These filters are called from within the classful qdisc.
A list of classifiers is provided below:
fw
This bases the decision on how the firewall has marked the packet
u32
This bases the decision on fields within the packet (i.e. source IP address, etc)
route
This bases the decision on which route the packet will be routed by
rsvp, rsvp6
These routes packet are based on rsvp and are useful on networks that a user controls - the Internet does not respect RSVP.
tcindex
This is used in the DSMARK qdisc, see the relevant section.
There are few arguments which classifiers accept. These arguments are provided below:
protocol
The protocol this classifier will accept.
parent
The handle this classifier is to be attached to. This handle must be an already existing class. Required.
prio
The priority of this classifier. Lower numbers get tested first.
handle
This handle means different things to different filters.

If you followed this tutorial guide then you would have learnt about the advanced filters for re-classifying packets