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Status Not under consideration
Workspace PowerVM
Created by Guest
Created on May 3, 2016

SR-IOV with VLAN list should allow NIB

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..

Idea priority High
  • Guest
    Dec 13, 2018

    .It is correct that if a logical port's VLAN ID Restrictions is set to an option other than "Allow all" the OS MAC Address Restrictions must be set to an option other than "Allow All" for the EN0H, EN0J, EN0K, EN0L, EN0M, EN0N, EN15, EN16, EN17, and EN18 adapters. It is also correct a NIB configuration with logical ports with VLAN ID Restrictions set to an option other than "Allow All" will require the NIB MAC address to be configured in OS MAC Address Restrictions "Allow Specified" list.

    The dependancy between the VLAN ID Restrictions and the OS MAC Address Restrictions is a adapter requirement and can't be changed for the adapters specified above. However, for POWER9 based servers we've introduced SR-IOV support for the EC2R, EC2S, EC2T, EC2U, EC3L, and EC3M adapters. These adapters do not have the same dependency between the VLAN ID Restrictions and the OS MAC Address Restrictions. When a user configures a logical port for these adapters they can set the OS MAC Address restriction to "Allow ALL" and still set the VLAN ID Restriction to an option other than "Allow ALL".

    Thank you again for your RFE, it was valuable input to our development team.

  • Guest
    Jul 6, 2018

    Due to processing by IBM, this request was reassigned to have the following updated attributes:
    Brand - Servers and Systems Software
    Product family - Power Systems
    Product - PowerVM
    Component - PowerVM
    Operating system - Not Applicable
    Source - None

    For recording keeping, the previous attributes were:
    Brand - Servers and Systems Software
    Product family - Power Systems
    Product - PowerVM VIOS
    Component - Product functionality
    Operating system - IBM AIX
    Source - None

  • Guest
    May 4, 2016

    Creating a new RFE based on Community RFE #87755 in product PowerVM VIOS.