Why is the br-tun bridge operated in Flow mode?

asked 2015-10-21 00:05:06 -0500

Affan gravatar image

So the br-int setup on compute hosts are operated with rules for mac learning (normal mode). On the other hand, the br-tun is operated not in the same mode. Assuming that the different tenant topologies can be separated using VLANs (please do confirm) --- does anyone know the rationale for why the br-tun is operating in flow mode.

I ask that since we then do cross hypervisor testing for CRR test, the performance of OVS-based reference implementation to be quite bad. Can some one point to the reasoning behind this implementation.

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