virtio_net MTU issue

Solution Verified - Updated -

Issue

  • KVM host allows 10 bytes more than it should into the virtio_net guest driver.
  • Issue not seen on linux guest virtio_net driver as its buffers are large, but seen on other guests.

Environment

  • RHEL 6 KVM / RHEV host
  • Guest OS other than Linux
  • Virtio_net driver

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