Thanks a lot, Iwase! Inviato da iPhone
> Il giorno 28/ago/2017, alle ore 02:29, "Iwase Yusuke" > <iwase.yusu...@gmail.com> ha scritto: > > Hi Nicholas, > > >> On 2017年08月26日 16:36, Nicholas Brasini wrote: >> Hi guys! >> I use Mininet and Ryu Controller (4.15). >> I launch h1 ping h2 -c 5. >> With the REst call /stats/flow/<dpid> I see that packet_count of OUTPUT:2 is >> 5, but packet_count of OUTPUT:1 is 6. >> Why?? The reason is the first ARP packet, from h1 to broadcast? > > Are you using ryu/app/simple_switch_13.py? > If so, almost right. > > On the following topology, for example: > > Ryu > | > h1 --- s1 --- h2 > > The first ARP packet from h1 will be broadcasted and flow entry like > "match=<h1's MAC>, > action=<output to port1>" will not be installed on s1, but for replay for > this ARP will > be unicasted and flow entry like "match=<h2's MAC>, action=<output to port2>" > will be > installed. > The flow entry of "match=<h1's MAC>, action=<output to port1>" will be > installed when > the first ICMP packet and not be counted when forwarded h1-->h2, then the > packet_count > for h1-->h2 will be 1 packet smaller than that for h2-->h1. > > Please note this is depending on simple_switch_13.py implementation, and not > always > true if you are using other applications. > > Thanks, > Iwase > > >> Thanks, >> Nicholas. >> ------------------------------------------------------------------------------ >> Check out the vibrant tech community on one of the world's most >> engaging tech sites, Slashdot.org! http://sdm.link/slashdot >> _______________________________________________ >> Ryu-devel mailing list >> Ryu-devel@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/ryu-devel ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Ryu-devel mailing list Ryu-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ryu-devel
