1. You probably get the first error because your topology is a loop and the
switch is getting a packet for a host H and sees that the port that it
thinks it's supposed to send the packet to (learned port) is the same port
where it received the packet (inport).
The learned port is the same as the inport because at some point before
this error happened, the switch received a packet from host H on that port,
and registered the host on that port.

2. What kind of data traffic are you sending?

3. Associating a flow to a VLAN is just another action, like sending a flow
out a port. For the latter, you'd use action OFPAT_OUTPUT. For setting a
VLAN to a flow, you use the action OFPAT_SET_VLAN_VID. This is described in
section 5.2.4. of the spec

On Mon, Oct 31, 2011 at 7:11 AM, dongxia pan <bartley....@gmail.com> wrote:

> hi, when I execute nox_core with the form: sudo ./nox_core -v -i ptcp:6633
> pyswitch monitoring.
>
> two openvswitches directly link to two physical switches  separatly, which
> don't support openflow protocol.
>
> controller brings about error and info information,as follows:
>
> 1. pyswitch | ERR:' ** warning** learned port = inport'
> 2.00043 | packet | INFO: (udp parse) warning UDP packet data shorter than
> UDP len: 94 < 147
>
> what causes these results ?  is there any one who can give me some hints
> or reasons?
>
> another question: how to configure a VLAN using NOX ?
>
>
>
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>
>
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