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Even if the Merging AES67 RAVENNA ASIO driver can run on any Gigabit Ethernet Adapter, including the onboard one, it is recommended to use a dedicated card.
Separate Network card is recommended for better AES67/RAVENNA ASIO performance.
Merging recommends Intel Gigabit network adapters.

In Windows Control Panel > Device Manager, locate the network adapters, select your card and access its Properties.
It is important to disable any power management feature.
Green Ethernet / Energy efficient Ethernet / Ultra Low Power mode / System Idle Power Saver must be disabled.
It is usually in a Power Management tab, but it can depend on the NIC manufacturer - model :

  • Reduce link Speed during standby must be disabled (especially when using a switch on the RAVENNA network) or Reduce Speed on Power Down to Disabled.
  • Wake on LAN  should be disabled also for dedicated RAVENNA network cards (not mandatory)


Additional Notes :

  • Jumbo packet is not supported.
  • Interrupt Moderation : can sometimes help to reduce sinks jitter when disabled (default is enabled)
  • Receive Side Scaling must be enabled (Default value).
  • Receive Side Scaling Queues must be set to 1  (Default value) (very poor performances with 2 queues)
  • Performance options : should be left to default values : Adaptive Inter-Frame Spacing Disabled / Flow Control : RX & TX / Interrupt Moderation rate : Adaptive (will have no effect if Interrupt Moderation is disabled) / Receive Buffers : 256 / Transmit Buffers : 512.