Hi, For the past 2 months, we have been experiencing a problem with the message “Ethernet uplink speed degraded” and “Low power mode unplanned”. Below are the tests performed and the status of the situation:   1. Verification of Physical connection Wiring connection verified: Cable length: 50 meters (OK) Cable type: Jack no. 6 (OK) Cable pins: Correct (OK) 2. Cisco 2960 PoE 15.4 W PoE switch Checked: Reset switch (OK) Reset switch (OK) Interfaces rebooted (OK) Switch IOS upgraded (OK) Verified the physical ports of the switch (OK) Tested with another 15.4W PoE switch (OK) 3. Configuration CDP/LLDP CDP/LLDP enabled and configured on switch and interface (OK) Auto-negotiation (OK) Full duplex between switch and AP (OK) 100 Mbps speed (OK) Correct configuration of the interface, the switch and the AP (OK) 4. Physical status of the AP and switch Verified full physical status of both AP and switch (OK) 5. Exhaustive tests performed Despite exhaustive testing of the equipment, the problem persists and the messages continue to appear. 6. Remarks It is worth mentioning that the AP antennas are still working properly, but the messages indicate otherwise.   The problem started about 2 months ago, coinciding with Cisco Meraki updates to your control panel. Despite our best efforts and thorough verification of all elements involved, the problem persists. We remain available for further testing or recommendations to resolve the incident based on the community. 😁 ... View more