Hi, I created a hierarchical control plane for SDN with a central controller
and several local controllers.The local agent is run on ryu, and the topology
can be based on mininet. I followed the PARC project on github
(https://github.com/ppgirl/PARC) , but when i run lc_level_topo.py , it show me
an error that :
Traceback (most recent call last):
File "lc_level_topo.py", line 11, in <module> LC_LEVEL_TOPO.add_node(1,
{'type': 'controller', 'win_dpid': [3]})TypeError: add_node() takes exactly 2
arguments (3 given)
Despite , I wrote correctly
Also , when i run the (ryu-manager --observe-links layer_2_switch.py) , it
show me : cc_agent: connection failed, maybe the central controller doesn't
start, retry .
PLease , how can i solve it ?
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