MAC address entries cannot be learned on the device, so Layer 2 forwarding fails. Check that the configurations on the interface are correct. Run the display mac-address command in any view to check whether the binding relationships between the MAC address, VLAN . This document describes a scenario where a Catalyst 9300 access switch was learning an upstream MAC address on a downstream port. @RonMaupin Does this mean that if we have different vlan configured on the switch port and different vlan on the ethernet port of an access point in my case that this is the reason for not. There are several reasons why a device's MAC address might exist in the local MAC address table (e.
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