Specifically from the link you shared: Repeaters will also serve SSIDs trunked on different VLANs. However, only one SSID & associated VLAN may be configured to bridge wired clients across a mesh link on a repeater access point's Ethernet port. A mixture of wired clients and Cisco Meraki access points attached to one MR repeater interface is not a supported deployment configuration. This is due to the auto detection mechanisms that Cisco Meraki access points use to infer when they should function as a gateway or a repeater.
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