Network Switches That DO and DO NOT Work with Clear-Com AES67 / ST2110-30 Equipment

This is a non-exhaustive list of known Ethernet switches from known customer installs

Clear-Com does not aim to verify Ethernet switch manufacturers or a customer's network topology. Though Clear-Com Engineering has tested specific switches for certain workflows, this information is for guidance only. It is recommended that before proceeding with a switch recommendation that you familiarize yourself with the AES67 Guide by following this link.


  • 1Gb (or more) bandwidth for every port

  • Layer III - Can perform at or near wire speed, but also acts as a router because it has IP routing intelligence built in.

  • Switching capacity equal to 2x number of ports (Tx/Rx). To exemplify this, if you purchase a 10-port switch, it should have a switching capacity of 20 Gb/s.

  • EEE (Energy Efficient Ethernet) or Green Ethernet needs to be disabled.

  • QoS - Quality of Service prioritization of audio traffic.

  • Fiber to Copper conversion preferable using the SFP/mini-GBIC form factor.

  • IGMP snooping must be properly configured.


  • PTP Aware Switches (that support Boundary Clock or Transparent Clock Mode.)

  • Dedicated PTP GrandMaster Clock (separate from the IPA card.)

  • If there is security feature to detect more than one MAC on a single port.  This should also be disabled.

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