you have to untag at least one of the connections, your isp-provided box most likely has this option somewhere, it usually does not say "untag vlan" but says passthrough, pppoe passthrough or if you...

@Mr.Blue Great, that's within the expected speed margins of DOCSIS 3ish provider..ensure you got current firmware on the modem too..those who are still in support have gotten improvements in the SQM...

@Mr.Blue we have some data interpretation issues,, if you iperf to a local server at 192.168.2.30 you are measuring multiple things, none is the internet speed. you are measuring. 192.168.100.15 's...

@Mr.Blue the 192.168.0.0/16 space is "very congested".I strongly suggest you to pick random /24 prefixes from the 172.16.0.0/12. now this should have no effect on the speed of your connection, but...

@Mr.Blue That's weird. this device can easily do gigabit.. are you plugged to an USB backed Ethernet adapter? do you have any special wan configuration ? can you share your lan side configuration?

@AngelK Understood, that may work just fine for home-level use.. you could just file a feature suggestion then.. The controller is probably not the right place though. however I believe if you want...