Hi davidmansfield, I think your test is not rigorous. You connect an old PC to the 2210P, it works fine; and then you connect the switch to the front Netgear PoE switch then the 2210P powered off....

The NAT throughput of ER6120 is 350Mbps declared in their official website, so if your ISP line is 300Mbps, it will be fine. Which tool do you use to test the throughput? You can refer to the FAQ for...

This is because the R480T+ has no private MIB.

Why not contact the supporter directly?

You can access the switch's configuration page through a software Easysmart utility; the software can be download from the official website but it only support Windows operating system yet.

If you are sure it is 108E not 108, you can access the switch through the Easy Smart Utility. You can download the utility from they official website but take in mind the utility can only support...