[ovs-discuss] error message with connection to openflow controller
numan252 at gmail.com
Fri May 27 17:45:11 UTC 2011
It appears fairly frequently. Secondly I want to block a tcp port number
(50000). I added following flow
ovs-ofctl add-flow br0
but this port is not blocked (I executed a server client application that
communicates on this port number). Is this issue related to error or it is
due to erroneous configuration.
On Fri, May 27, 2011 at 9:20 PM, Ben Pfaff <blp at nicira.com> wrote:
> On Fri, May 27, 2011 at 04:10:01PM +0500, ahmad numan wrote:
> > Thanks for your response. the exact error is
> > |WARN|system at dp0: failed to delete flow (No such file or directory)
> > tunnel00000000:in_port0002:vlan65535:pcp0 mac00:21:85:6f:89:d10
> This isn't related to anything that NOX did. It is Open vSwitch
> reporting an internal error. (However, it's not a serious problem,
> and unless it shows up at a high rate in your logs you can safely
> ignore it.)
> > I configured ovs-vswitchd and added ports to br0. Then run the
> > to talk to NOX controller.
> If you had read the ovs-openflowd manpage, you would have seen this:
> For a more powerful alternative to ovs-openflowd, see
> ovs-vswitchd(8). Do not run both daemons at the same time.
> If you had read the ovs-vswitchd manpage, you would have seen this:
> ovs-vswitchd provides all the features of ovs-openflowd, and
> more. Do not run both daemons at the same time.
> If you had read INSTALL.OpenFlow, you would have seen this:
> The ovs-vsctl "set-controller" command can also be used in
> conjunction with ovs-vswitchd to set the controller for one or
> more bridges. We recommend using OpenFlow in this manner and
> in this case you should not run ovs-openflowd.
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