OpenFlow (at least the versions I'm familiar with) doesn't provide this capability, so if your switch provides it, it's switch-specific.
-- Murphy On Oct 3, 2013, at 6:51 AM, Ali Al-Khamis <[email protected]> wrote: > Thank you Murphy, > > I read these points and worked on queue and port stats. > (ofp_queue_stats_request, and ofp_queue_stats) ( ofp_port_stats and > ofp_port_stats_request) > > To print the queues and ports stats including all packets sent through them. > > > I've this simple experiment, two host (h1 and h2) and one switch. The BW of > link (h1-s1) and link (h2-s1) is 10Mbps and 5 Mbps respectively. > > h1 --------- s1 ---------- h2 > > In my experiment, I create two queues for each interface (s1-eth1 and > s1-eth2). One queue (q0) is for TCP traffic while the q1 is for other > traffic. I would like to ask how to measure real time queueing, so the > controller has information about how many packets in each queue at particular > time. > > Regards, > Ali > > > From: Murphy McCauley <[email protected]> > To: Ali Al-Khamis <[email protected]> > Cc: "[email protected]" <[email protected]> > Sent: Thursday, 12 September 2013, 3:52 > Subject: Re: [pox-dev] About print network status > > A good place to start might be by sending stats queries to the switches and > analyzing the replies. > > You might read the "OpenFlow in POX:OpenFlow Messages:ofp_stats_request - > Requesting statistics" section in the POX wiki manual. > > -- Murphy > > On Sep 11, 2013, at 7:35 PM, Ali Al-Khamis <[email protected]> wrote: > >> Hi all, >> >> I am new in POX controller. I would like to ask how the POX controller can >> print the network's status such as Bandwidth.., so if there is any exchange >> information of the network or a switch status between the switch and the >> controller. >> >> Regards, >> Ali > >
