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Starting ryu controller #23

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jamesrenxiangyu opened this issue Jun 10, 2020 · 1 comment
Open

Starting ryu controller #23

jamesrenxiangyu opened this issue Jun 10, 2020 · 1 comment

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@jamesrenxiangyu
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Hi, I am new to ryu. I encountered this problem while starting up ryu controller.
I used this command to start it:
PYTHONPATH=. ./bin/ryu-manager ryu/app/simple_switch_13.py
but it reports an error:
ImportError: cannot import name abc
Anyone ever met this problem? Please help me. Thanks
@chitsukhin
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I think
firstly, you should exterm c0 (mininet> xterm c0)
you should run this app in c0 (#ryu-manager ryu.app.simple_switch_13)

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@jamesrenxiangyu @chitsukhin