I replaced an old Cisco router with the QHora-301W and configured it with VLAN again. With the QHora I use one 10GB port for WAN and the other as a trunk to the switch QSW-M408-4C. If I now connect a computer to a VLAN on the switch, the connection works ok so far. It gets an IP address, but surfing the internet is almost impossible because almost no data gets through. A speed test even breaks down. If I connect the PC to a trunk port on the same switch, the connection and the speed test are very fast. I have already reconfigured the QHora twice, always with the same result.
In summary, performance directly on the router (default bridge) and on each trunk port on each switch is very good. As soon as the connection runs over a VLAN, the throughput drops dramatically.
QHora-301W bad VLAN performance
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