Match packets based on routing table entries. This filter centers
around the possibility to assign a realm to routing table entries.
For any packet to be classified by this filter, a routing table
lookup is performed and the returned realm is used to decide on
whether the packet is a match or not.
Apply an action from the generic actions framework on matching
Push matching packets into the class identified by CLASSID.
from REALMfromif TAG
Perform source route lookups. TAG is the name of an interface
which must be present on the system at the time of tc
Match if normal (i.e., destination) routing returns the given
Consider the subnet 192.168.2.0/24 being attached to eth0:
ip route add 192.168.2.0/24 dev eth0 realm 2
The following route filter will then match packets from that subnet:
tc filter add ... route from 2 classid 1:2
and pass packets on to class 1:2.
This page is part of the iproute2 (utilities for controlling TCP/IP
networking and traffic) project. Information about the project can
be found at
If you have a bug report for this manual page, send it to
firstname.lastname@example.org, email@example.com. This page was obtained
from the project's upstream Git repository
on 2017-03-13. If you discover any rendering problems in this HTML
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iproute2 21 Oct 2015 Route classifier in tc(8)