On Tue, Sep 18, 2012 at 06:11:56PM +0200, Andi wrote:
> I am having some trouble in adding flow table entries with
> openvswitch. I am using nox with some modifications on it and when I
> submit flow mod message the switches appear to accept the packet
> (all the methods to add the flow entry return 0), but when I use
> ovs-dpctl dump-flows br0 it has no flows installed.

ovs-dpctl doesn't display OpenFlow flows.  You can't use it this way.

ovs-ofctl displays OpenFlow flows.  Use "ovs-ofctl dump-flows" to show
the flow table.

> The vswitch daemon prints out:
> /2012-09-18T15:52:56Z|00114|ofp_util|INFO| pre: 
> priority=65535,ip,in_port=2,dl_vlan=0,dl_vlan_pcp=0,dl_src=ff:ff:ff:ff:ff:ff,dl_dst=ff:ff:ff:ff:ff:ff,nw_src=192.168.20.2,nw_dst=192.168.10.2,nw_proto=0,nw_tos=0,tp_src=0,tp_dst=0//
> //2012-09-18T15:52:56Z|00115|ofp_util|INFO|post: 
> priority=65535,ip,in_port=2,dl_vlan=0,dl_vlan_pcp=0,dl_src=ff:ff:ff:ff:ff:ff,dl_dst=ff:ff:ff:ff:ff:ff,nw_src=192.168.20.2,nw_dst=192.168.10.2,nw_proto=0,nw_tos=0/
> 
> Is this correct?

It looks like you're trying to match on TCP/UDP ports 0 but didn't
specify a protocol.  That's probably a mistake.
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