Removing OVS Configuration Settings
I’ve written quite a bit about Open vSwitch (OVS), but I realized recently that despite all the articles I’ve written I still haven’t talked about how to remove a configuration setting to OVS. I’m fixing that now with this article.
As part of my ongoing mission to give back to the open source community, I recently started making contributions and improvements to the OVS web site; specifically, I’ve been reformatting the configuration cookbooks to make them more readable (and to clean up the HTML source). Along the way, I’ve been adding small bits of content here and there. Most recently, I just updated the QoS rate-limiting entry, and I wanted to add information on how to remove the QoS settings.
Normally, you can remove an OVS configuration setting using the ovs-vsctl remove command. For example, if you set a VLAN tag on an port with this command:
ovs-vsctl set port vnet0 tag=100
Then you could remove that VLAN tag with this command:
ovs-vsctl remove port vnet0 tag 100
Note the slight syntactical difference in the two commands; the remove command expects four parameters.
It turns out, however, that this command won’t work for all configuration parameters. In some Continue reading
