RHEL6: Can't communicate between guest VMs using ixgbe Virtual Function and guest VMs using a bridge
Issue
- A RHEL host contains (at least) two KVM guests
guest0
uses an SR-IOV Virtual Function of an Intel NIC (ixgbe
driver) via PCI passthroughguest1
uses a virtio or emulated NIC, bridged viabr0
to the Intel NIC's Physical Function
- Both
guest0
andguest1
can communicate with with hosts elsewhere on the physical network, but cannot communicate with each other
Environment
- Red Hat Enterprise Linux 6
- Intel 10Gb NIC, 82599 based or similar, using
ixgbe
driver - KVM guests
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