Resolved! Internet speed drops significantly on access point connected to CGNM-3552
I have a Hitron CGNM-3552 (192.168.0.1) and a TP-Link AC1900 Archer C80 (192.168.0.2 in access point mode) connected together via a LAN cable. The LAN speed of this connection on TP-Link shows 1gbps. I believe the LAN speed on the CGNM is also 1gbps ...