Hi,
I was playing with OpenStack Neutron with OVS plugin. When I launch VMs, I
noticed that there is a Linux bridge (qbrxxx) created for each VM, which is
then connected to the OVS bridge (ovs-int). See the following.
VM0 VM2
| |
qbrXXX qbrYYY (per-VM linux bridges)
| |
| |
br-int (OVS bridge)
|
br-eth
My question is, why couldn't VMs be directly connected to br-int (without
qbr Linux bridges)? Why do we create additional Linux bridges between OVS
bridge and VMs? What is the role of Linux bridges here?
Thanks!
-Dan
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