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There is great potential for enhancemnet in the use of SR-IOV in failover scenarios, where the control within each LPAR is realized by using an Etherchannel over two physical adapters.
It's a pity, but nowadays such a failover scenario is only possible if on the virtual Ethernet port of the LPAR all VLAN-IDs of the physical ports are transferred without restrictions. So the exclusion of all VLAN-tagged packets, i.e. the exclusive use of a virtual Ethernetport for „untagged“ packets (= PVID 1) is impossible with this configuration setup.
It is also impossible to explicitly select multiple VLAN-IDs of a virtual Ethernetport ; multiple VLAN-IDs can be defined, but only one activated (configured) and a n Etherchannel can't be setup in this constellation.
The work-around proposed by the IBM Support to manually define and AC Level addresses for the Etherchannel is very cumbersome and error prone (e.g. having by accident two port with the same MAC level Address on the network!!), especially with the pure bulk of necessary Etherchannel definitions (2x Etherchannel per LPAR and in sumt > 80 LPARs distributed) and not really deployable in a production environment..
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