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Fig. 6: Current configuration of R4.

Frequently

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asked questions (FAQ)

Q: Why is the CLI output empty when I write bgp-routes in the ONOS CLI, is the output empty?
A: There might be multiple different problems that might cause this issue (e.g., Quagga not running or ExaBGP not running). To verify that everything is running correctly please run ps aux; the result should look as follows:

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Q: Why am I getting an error when running the topology file?
A: You should check if the python3 requirements are installed correctly. Sometimes, the python deployment may consider the python3 package installed; it is though the python2 package instead. You could try installing again the dependency separately using pip3 install .

Q: All the processes run correctly buy but I still don't get the BGP routes to show; why?
A: This situation tends to happen if you have the networking manager enabled because sometimes it messes up the interfaces of the mininet topology. Please stop the network manager and restart the demo from scratch.

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