Hi,
I'm running openflow on mininet, but I'm having a problem when I try to
include TCP ports in the rule.
Here is the piece of code where I install the flow.
attrs = {}
attrs[core.IN_PORT] = inport
attrs[core.DL_DST] = destino
attrs[core.TP_SRC]= tcp_port
attrs[core.TP_DST]= 80
action = [[openflow.OFPAT_SET_DL_DST, server_mac],
[openflow.OFPAT_OUTPUT, [0, server_port]]]
self.install_datapath_flow(dpid, attrs, 60, 60, action, bufid, 10,
inport, None)
I captured the FlowMod packet on wireshark, and copied the flow
modification fields.
Flow Modification
Match
Match Types
Input Port: 3
Ethernet Dst Addr: Broadcast (ff:ff:ff:ff:ff:ff)
TCP/UDP Src Port: 59279 (59279)
TCP/UDP Dst Port: http (80)
The fields in the FlowMod packet are correct, but the flow that is
installed on the switch do not contain the TP_SRC and TP_DST fields.
Here is the "dpctl dump-flows" output.
openflow@openflowvm:~$ dpctl dump-flows tcp:127.0.0.1:6634
stats_reply (xid=0x49e35a53): flags=none type=1(flow)
cookie=0, duration_sec=2s, duration_nsec=855000000s, table_id=0,
priority=10, n_packets=40, n_bytes=3045,
idle_timeout=60,hard_timeout=60,in_port=3,dl_dst=ff:ff:ff:ff:ff:ff,actions=mod_dl_dst:00:00:00:00:00:03,output:2
Packet are matching with the flow no matter their TCP ports.
Does anyone knows what I am doing wrong?
Thanks in advance
--
Ramon Marques Ramos
Engenheiro de Computação
Mestrando em Informática -UFES
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