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In case you run command "sudo mn --custom ./topology.py --topo tutorialTopology --switch ovsk"
and get an error: "Exception: could not find a default controller for switch ovsk"
execute following commands could solve the problem:
In case you run command "sudo mn --custom ./topology.py --topo tutorialTopology --switch ovsk"
and get an error: "Exception: could not find a default controller for switch ovsk"
execute following commands could solve the problem:
source: https://stackoverflow.com/questions/17341076/mininet-cannot-find-required-executable-controller
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