In VMware it is possible to bond two network interfaces and for each Portgroup (equivalent to a VLAN) is possible to tell which of the physical interfaces underneath it you wish the traffic to flow primarily and which stays as secondary(bond mode=1 equivalent). So for certain VLANs (Management, Live Migration, etc) is possible to force traffic flow via one physical NIC of the bond and for other VLANs (Virtual Machine's traffic) outs via the other NIC with failover to each other should a cable or switch fails.

This is specially good for better utilize the fewer NICs available and still have redundancy.

In oVirt it is also possible to have bonds, but would it still be possible to do that same and favor the traffic per VLAN basis ? I guess it is something related to Linux Bond module but perhaps someone has done this already.



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