Hello,
I am trying to get the topology of a network, composed of a user space
switch (https://github.com/CPqD/ofsoftswitch13), mininet (version 2.1.0),
and ryu controller. To get the topology I run the rest_topology.py, like so:
~/ryu/ryu/app$ ryu-manager --verbose --observe-links rest_topology.py
simple_switch_13.py
and mininet is run like this: sudo mn --topo single,2 --mac --switch user
--controller remote
Testing connectivity:
mininet> pingall
*** Ping: testing ping reachability
h1 -> h2
h2 -> h1
*** Results: 0% dropped (2/2 received)
When executing the curl :
curl -X GET http://localhost:8080/v1.0/topology/switches
[{"ports": [{"hw_addr": "b2:08:80:16:40:1b", "name": "s1-eth1", "port_no":
"00000001", "dpid": "0000000000000001"}, {"hw_addr": "aa:7f:8b:3d:b6:cd",
"name": "s1-eth2", "port_no": "00000002", "dpid": "0000000000000001"}],
"dpid": "0000000000000001"}]
curl -X GET http://localhost:8080/v1.0/topology/links
[]
And on the ryu log information:
EVENT TopologyAPI->switches EventLinkRequest
127.0.0.1 - - [27/Feb/2015 14:17:15] "GET /v1.0/topology/links HTTP/1.1"
200 124 0.000687
Can you tell me why the links are not reported ?
Best regards,
Chandra
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