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Is there a feature on the Dashboard/Horizon GUI to add-flow, mod-flow, or del-flow in Open vSwitch?

asked 2015-05-12 17:12:15 -0600

twy791 gravatar image

Clearly OpenStack utilizes Open vSwitch (OVS) on both neutron and compute. Just wondering if there is a feature to add-flow or XYZ-flow on the Horizon GUI and have the change propagate to the OVS running on the Compute node. I have done installations of DevStack, Juno, and Kilo an have not found evidence of such a feature. Also, is it safe to assume one can use any of the ovs-xyz CLIs of Open vSwitch (OVS) from the command line on the compute node to perform flow modifications while OpenStack is up and running on the compute node?

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answered 2015-05-13 00:58:55 -0600

darragh-oreilly gravatar image

No there is not. In fact abstracting away such implementations details from end users is a primary goal of Neutron, and OpenStack in general. While Neutron has many ML2 drivers/agents that use OVS, it also has some that don't use OVS at all, e.g. the linuxbridge driver.

It is not safe to change flows on Neutron controlled bridges using the ovs-* CLI.

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Asked: 2015-05-12 17:12:15 -0600

Seen: 256 times

Last updated: May 13 '15