Which standard has Cisco used to implement VM-FEX?

Which standard has Cisco used to implement VM-FEX?
A. IEEE 802.1BR
B. IEEE 802.1Qbb
C. IEEE 802.1Qaz
D. IEEE 802.1p
E. IEEE 802.1x

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2 thoughts on “Which standard has Cisco used to implement VM-FEX?

  1. VM-FEX extends the IEEE 802.1Qbh port extender architecture to the VMs by providing each VM interface with a virtual Peripheral Component Interconnect Express (PCIe) device and a virtual port on a switch. This solution allows precise rate limiting and quality of service (QoS) guarantees on the VM interface.

    https://www.cisco.com/c/en/us/td/docs/unified_computing/ucs/sw/vm_fex/vmware/gui/config_guide/b_GUI_VMware_VM-FEX_UCSM_Configuration_Guide/b_GUI_VMware_VM-FEX_UCSM_Configuration_Guide_chapter_01.html

    IEEE 802.1BR used for static interface component of VM-FEX:

    A static interface is configured manually on the switch and the adapter. A static virtual adapter can be
    a vNIC or a virtual host adapter bus (vHBA). A static interface can be a vEthernet or a virtual Fibre
    Channel (vFC) interface bound to a static vEthernet interface.

    In one method of creating a static vEthernet, the network administrator assigns a channel number
    (equivalent to a VN-Tag or prestandard IEEE 802.1BR tag number) to the vEthernet. The server
    administrator must be sure to define a vNIC on the adapter with the same channel number
    }https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/layer2/513_n1_1/b_Cisco_n5k_layer2_config_gd_rel_513_N1_1/b_Cisco_n5k_layer2_config_gd_rel_513_N1_1_chapter_010101.pdf

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