Does vmxnet3 driver supports multi-queue in Red Hat Enterprise Linux?

Solution Verified - Updated -


  • Does multi-queue is supported with the vmxnet3 driver shipped with

    • Red Hat Enterprise Linux6.3
    • Red Hat Enterprise Linux6.4
  • In the following article VMware says that the vmxnet3 driver shipped with Linux kernel version 2.6.37 supports multi-queue:

    VMware knowledgebase article 2020567

    RSS and multiqueue support in Linux driver for VMXNET3 (2020567)

    Receive side scaling (RSS) and multiqueue support are included in the VMXNET3 Linux device driver. The VMXNET3 device always supported multiple queues, but the Linux driver used just one Rx and one Tx queue previously.

    For the VMXNET3 driver shipped with VMware Tools, multiqueue support was introduced in vSphere 5.0.
    For the VMXNET3 driver included with the Linux operating system, multiqueue support was introduced after and including Linux kernel version 2.6.37.

    This table summarizes multiqueue/RSS support:

    VMXNET3 VMware Tools driver version VMXNET3 Linux driver version
    Multiqueue/RSS support exists and later (introduced in vSphere 5.0) and later (introduced in Linux kernel 2.6.37)
    Multiqueue/RSS support exists, but must be enabled to 1.0.23.x --
    Enabled by default and later and later


  • Red Hat Enterprise Linux, version 6
  • Kernel version 2.6.32-220.el6 or later

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