Hi
The following code add a data flow rule in all switches in the network.
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@set_ev_cls(ofp_event.EventOFPSwitchFeatures, CONFIG_DISPATCHER)
def switch_features_handler(self, ev):
datapath = ev.msg.datapath
ofproto = datapath.ofproto
ofp = datapath.ofproto
parser = datapath.ofproto_parser
match = parser.OFPMatch()
actions = [parser.OFPActionOutput(ofp.OFPP_NORMAL,
ofproto.OFPCML_NO_BUFFER)]
inst =
[parser.OFPInstructionActions(ofp.OFPIT_APPLY_ACTIONS,actions)]
self.add_flow(datapath=datapath, command=ofp.OFPFC_ADD,
priority=1, match=match, instructions=inst)
My question is,
Suppose a network consists of 4 switches. How to add data flows with different
priorities at switches?
I will be really grateful if you kindly elaborately discuss the process with
coding details.
Thanks in advance :)
-Tanvir
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