Communication inter-VM traffic when using SR-IOV with Neutron

Solution In Progress - Updated -

Issue

  • If the VMs are launched with ovs vport, the traffic of the communication between the two VMs will be processed inside the host and no need connect host to a switch

  • If the VMs are launched with SR-IOV vport, the traffic of the communication between the two VMs will go through outside the host and connect host needs to be connected to a switch otherwise the communication will be broken.

Environment

  • Red Hat OpenStack

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