Due to a ransomware attack, the wiki was reverted to a July 2022 version. . We apologize for the lack of a more recent valid backup.
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ECMP / WCMP demo application
ONOS 1.6 comes with 2 demo applications that use a P4 data plane. These applications provide an example of how to program BMv2 with a specific P4 program and how to control it to provide different load balancing schemes, namely Equal-Cost Multi-Path (ECMP) via ecmp.p4 and Weighted-Cost Multi-Path (WCMP) via wcmp.p4. These applications can be found under apps/bmv2-demo. We also provide a python script to run a Mininet topology to test these 2 applications.
This section is still work in progress.Work in progress
Known issues
- In ONOS 1.6.0:
- When running a cluster with multiple instances of ONOS, a stack overflow Java exception will be thrown by
Bmv2TableEntryService. This is due to a known bug of the Kryo serializer. This issue has been already fixed and is available in the latestmasterandonos-1.6branch.
- When running a cluster with multiple instances of ONOS, a stack overflow Java exception will be thrown by