Thanks, can you guide me to a resource that elaborates on which packets appear as flows in datapath and which don't. I am interested in only those flows (TCP & UDP only) which have a corresponding rule in the ovs flow table (otherwise I can simply sniff br0 using tcpdump/wireshark etc).
I don't want to catch all flows like ARP requests, broadcast messages etc. On 5 December 2013 09:56, Ben Pfaff <b...@nicira.com> wrote: > Why not just check for changes more often, even if it takes a while to > process them? > > It's futile trying to catch all traffic this way anyhow, since not all > packets that get processed appear in flows in the datapath. > > I don't think it's worth making a change for this purpose. > > On Thu, Dec 05, 2013 at 09:35:49AM +0500, Asadullah Hussain wrote: > > Because it's a periodic process and if I am not able to process previous > > flows within five seconds, the current flows are lost. > > > > > > On 4 December 2013 20:51, Ben Pfaff <b...@nicira.com> wrote: > > > > > Why does it matter whether the flows have disappeared while you are > > > processing them? > > > > > > On Wed, Dec 04, 2013 at 03:07:35PM +0500, Asadullah Hussain wrote: > > > > Thanks for the reply. I want to further process the flows returned > from > > > the > > > > "ovs-dpctl dump-flows" command (performing string operations, make > > > lookups > > > > in geolocation databases etc) and this processing time takes longer > than > > > 5 > > > > seconds, due to which flow loss is occurring. > > > > > > > > > > > > On 3 December 2013 21:19, Ben Pfaff <b...@nicira.com> wrote: > > > > > > > > > On Tue, Dec 03, 2013 at 04:33:24PM +0500, Asadullah Hussain wrote: > > > > > > Is there a way to change the timeout of kernel flow table > (ovs-dpctl > > > > > > dump-flows)? > > > > > > > > > > No. > > > > > > > > > > > The default timeout is 5 seconds which means that all flows in > the > > > kernel > > > > > > flow table are flushed out after 5 seconds. > > > > > > > > > > > > I want to increase this time to 1 minute. > > > > > > > > > > Why? > > > > > > > > > > > > > > > > > > > > > -- > > > > Asadullah Hussain > > > > > > > > > > > -- > > Asadullah Hussain > -- Asadullah Hussain
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