![]() By blink I mean it is not connected for a few seconds then reconnects. Not wanting to steer this thread off topic but I have a new Mac Studio and I've noticed wired Ethernet "blinking" off-then-on in spans of a few seconds. ![]() When you say disabled and then re-enabled DHCP, do you mean you used "Configure manual" mode to uncheck that box and then switched configure back to Automatic? Please see the attached screen shot to see how you can disable AVB/EAV in macOS System Preferences -> Network. So, when I disabled this standard under the Thunderbolt Ethernet adapter and re-enabled DHCP, the Thunderbolt Gigabit Ethernet adapter (built into the Apple 27" Thunderbolt Display) connected, obtained DHCP, and has been working for a week now without any issues. This standard is supported in Cisco 3650, 3850, and 9000 Series switches. ![]() For example, Cisco 3560 Series switches (or lower-end / older switches) do not support this standard. Almost no consumer-grade Ethernet switches support this standard, and not even all Cisco enterprise-class switches support it. However, the Ethernet switch that the Ethernet adapter supporting this standard is connected to must also support this standard in order for this feature to work. ![]() This is a relatively new standard that reserves the Ethernet bandwidth for latency / jitter sensitive audio/video traffic to provide low-latency and low-jitter medium for that traffic. I think I finally found the fix for this issue. ![]()
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