http://linux-ip.net/articles/Traffic-Control-HOWTO/components.html
4.1.
4.1. qdisc
For traffic accepted on an interface, the
ingress qdisc is traversed. With its limited utility, it allows no child class to be created, and only exists as an object onto which a filter can be attached. For practical purposes, the ingress qdisc is merely a convenient object onto which to attach a policer to limit the amount of traffic accepted on a network interface.
In short, you can do much more with an egress qdisc because it contains a real qdisc and the full power of the traffic control system. An
ingress qdisc can only support a policer. The remainder of the documentation will concern itself with traffic control structures attached to the root qdisc unless otherwise specified.
sudo tc qdisc del dev eth0 rootsudo tc qdisc del dev eth0 ingress
tc filter show dev eth0 ingresstc filter show dev eth0 egress
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