Yes, I just figured out this by myself.. The man pages are not clear about this at all, e.g., an example in ovs-ofctl for remote setup will go a long way..

And I had to set a port other than 6633 because that port is being used for ovs-vswitchd to connect to the ovs db. In the man pages, the suggested default ports for both ovsdb connection and ptcp controller setting are 6633, that can't work.

Thanks,
-Qiaobing


On 8/17/12 12:49 PM, Justin Pettit wrote:
On Aug 17, 2012, at 10:29 AM, Qiaobing Xie <qiaobing....@gmail.com> wrote:

But from the same remote machine, ovs-ofctl does not work:

%% ovs-ofctl show tcp:192.168.43.148
ovs-ofctl: connecting to tcp:192.168.43.148 (Connection reset by peer)
%% ovs-ofctl show tcp:192.168.43.148:6633
ovs-ofctl: connecting to tcp:192.168.43.148:6633 (Connection reset by peer)
You need to tell ovs-vswitchd to listen for an OpenFlow connection on that bridge.  Take 
a look at the "ovs-vsctl set-controller" command to do this.

--Justin





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