I just tried... That does not work. I think ryu.app.rest_topology should do the same job as ryu.app.ws_topology but they both don't send LLDP packets. I am thinking Open vSwitch might be the cause.
Lorenzo Il giorno gio 27 set 2018 alle ore 03:31 IWAMOTO Toshihiro < iwam...@valinux.co.jp> ha scritto: > On Wed, 26 Sep 2018 18:56:31 +0900, > Lorenzo Mignone wrote: > > > > [1 <multipart/alternative (7bit)>] > > [1.1 <text/plain; us-ascii (quoted-printable)>] > > Hi, > > Yes, you are right. > > In my case, messages between switches and controller are: > > > > Switch: OFPT_HELLLO ---> Controller > > Controller: OFPT_HELLO ---> Switch > > Controller: OFPT_FEATURES_REQUEST ---> Switch > > Switch: OFPT_FEATURES_REPLY ---> Controller > > This message includes a field capabilities where all is set to true > except from OFPC_IP_REASM > > Controller: OFPT_MULTIPART_REQUEST, OFPMP_PORT_DESC ---> Switch > > Switch: OFPT_MULTIPART_REPLY, OFPMP_PORT_DESC ---> Controller > > This message includes port information (MAC address, name, state, > advertised, ...) > > Controller: OFPT_FLOW_MOD ---> Switch > > This message sets a flow entry which matches the controller's MAC and > ethertype LLDP > > > > Then some OFPT_ECHO_REQUEST and OFPT_ECHO_REPLY follow. > > TCP ACKs are sent/received too. > > Sometimes packets like these are sent: > > > > Controller: OFPT_MULTIPART_REQUEST, OFPMP_FLOW ---> Switch > > Switch: OFPT_MULTIPART_REPLY, OFPMP_FLOW ---> Controller > > This message includes all the switch statistics and flow entries > > > > I think ryu.app.ws_topology needs to be run in order to generate LLDP > packets. > > -- > IWAMOTO Toshihiro >
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