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noxrepo / pox

The POX network software platform
https://noxrepo.github.io/pox-doc/html/
Apache License 2.0
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Error when implementing the shortest path code #227

Open IamBushra opened 5 years ago

IamBushra commented 5 years ago

I'm trying to implement "Using Bellman-Ford to find a shortest path". but when run ping between h1 and h2 the packet didn't reach.

~/pox$ ./pox.py bellmanford openflow.discovery
POX 0.5.0 (eel) / Copyright 2011-2014 James McCauley, et al.
INFO:core:POX 0.5.0 (eel) is up.
INFO:openflow.of_01:[00-00-00-00-00-01 1] connected
INFO:openflow.of_01:[00-00-00-00-00-05 5] connected
INFO:openflow.of_01:[00-00-00-00-00-04 2] connected
INFO:openflow.of_01:[00-00-00-00-00-03 3] connected
INFO:openflow.of_01:[00-00-00-00-00-02 4] connected
WARNING:bellmanford:Not flooding -- holddown active
INFO:openflow.discovery:link detected: 00-00-00-00-00-01.2 -> 00-00-00-00-00-02.1
INFO:openflow.discovery:link detected: 00-00-00-00-00-01.3 -> 00-00-00-00-00-03.1
INFO:openflow.discovery:link detected: 00-00-00-00-00-05.1 -> 00-00-00-00-00-02.2
INFO:openflow.discovery:link detected: 00-00-00-00-00-05.2 -> 00-00-00-00-00-04.2
INFO:openflow.discovery:link detected: 00-00-00-00-00-04.1 -> 00-00-00-00-00-03.2
WARNING:bellmanford:Not flooding -- holddown active
MurphyMc commented 5 years ago

I can't really say for sure since bellmanford seems to be a modification of a component that POX came with, not one of the originals.

But... have you tried waiting for a few seconds and then running the ping? The WARNING indicates it may still be waiting for things to calm down.