ovs-dpctl program is a command line tool for monitoring and administering OpenFlow datapaths. It can also show the current state of an OpenFlow datapath, including features, configuration, and table entries.
OvS-DPCTL can be used with the command "ovs-dpctl" followed by any support command.
dump-flows: Dumps the flow table for all supported datapathsdump-flows <datapath name>: Dumps the flow table for a given supported datapathdump-ports-desc <datapath name: Dumps information about the ports on a given supported datapath
📖 There is more
ovs-dpctlcan do, see theovs-dpctlman page for more!
When controllers are using Flow Table modifications, checking on the Flow Table can be vital for debugging.
- To check the flow table for a given switch, for example
s1, simply run the following command:ovs-dpctl dump-flows s1