Editing Logical Network configuration on RHEV-M fails with the message "The network is in use by a VM"

Solution Verified - Updated -

Issue

  • Editing logical network configuration to enable vlan support on RHEV-M fails with the message "The network is in use by a VM".
  • How do I enable Jumbo Frames (MTU 9000) on our NFS storage network when there are Virtual Machines also using that network for other NFS mounts?

Environment

  • Red Hat Enterprise Virtualization (RHEV) 3.0
  • Red Hat Enterprise Virtualization (RHEV) 3.1
  • Red Hat Enterprise Virtualization (RHEV) 3.2
  • Red Hat Enterprise Virtualization (RHEV) 3.3
  • Red Hat Enterprise Virtualization (RHEV) 3.4
  • Red Hat Enterprise Virtualization (RHEV) 3.5
  • Red Hat Enterprise Virtualization (RHEV) 3.6

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