Dear Ryu Expert,
I have tried switch.py module and I have faced the following problem:
root@mininet-vm:~/ryu# ./bin/ryu-manager --verbose ryu/topology/switches
loading app ryu/topology/switches
Traceback (most recent call last):
File "./bin/ryu-manager", line 19, in <module>
main()
File "/usr/local/lib/python2.7/dist-packages/ryu/cmd/manager.py", line 78, in
main
app_mgr.load_apps(app_lists)
File "/usr/local/lib/python2.7/dist-packages/ryu/base/app_manager.py", line
385, in load_apps
cls = self.load_app(app_cls_name)
File "/usr/local/lib/python2.7/dist-packages/ryu/base/app_manager.py", line
361, in load_app
mod = utils.import_module(name)
File "/usr/local/lib/python2.7/dist-packages/ryu/utils.py", line 91, in
import_module
__import__(name)
File "/home/mininet/ryu/ryu/topology/switches.py", line 53, in <module>
help='link discovery: explicitly drop lldp packet in')
File "/usr/lib/python2.7/dist-packages/oslo/config/cfg.py", line 1579, in
__inner
result = f(self, *args, **kwargs)
File "/usr/lib/python2.7/dist-packages/oslo/config/cfg.py", line 1739, in
register_cli_opts
self.register_cli_opt(opt, group, clear_cache=False)
File "/usr/lib/python2.7/dist-packages/oslo/config/cfg.py", line 1583, in
__inner
return f(self, *args, **kwargs)
File "/usr/lib/python2.7/dist-packages/oslo/config/cfg.py", line 1731, in
register_cli_opt
raise ArgsAlreadyParsedError("cannot register CLI option")
oslo.config.cfg.ArgsAlreadyParsedError: arguments already parsed: cannot
register CLI option
root@mininet-vm:~/ryu#
Even I have tried to run the command like:
1- ./bin/ryu-manager --verbose ryu/topology/switches.py
But all gave an error, but with other modules, work fine.
Any suggestion ?
Thank you!
Talal
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