[ovs-discuss] repeated errors connecting to nox

Ryan White ryanwhitespammable at gmail.com
Tue May 22 18:38:54 UTC 2012


Hi,

I'm trying to connect a nox controller machine to a openvswitch host
machine. Here's what i do:

I turn on openvswitch like in INSTALL.Linux, including insmod for the
kernel module and ovsdb-server and ovs-vswitchd as described in that file.
Then:
ovs-vsctl add-br lan0
ovs-vsctl add-port lan0 eth0
ifconfig eth0 0.0.0.0
ifconfig lan0 x.x.x.y/24 up
ip route del default
ip route add default via x.x.x.z
ovs-vsctl set-controller lan0 tcp:x.x.x.z:xxxx

then it registers a node on the nox controller machine, but keeps spitting
out tons of copies of the same error in nox saying openflow error type
45250 code 0.
I tried finding what that error means, i even posted in openflow discuss
but i couldnt figure it out.
I dont think it's a "benign" error because when i try a multi-node
scenario, no flows show up and the links for the openvswitch nodes are
missing.
Is there any step i'm missing on the openvswitch end of things? I don't
think it's a nox problem because it connects to hardware switches fine. In
nox i'm calling it with ptcp.

    -- Ryan.
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