From my point of view, testing a router’s performance is a pretty straightforward process. I will first test the wired network performance with TPC and UDP packets as well as with fixed and variable packet sizes. This part is easy and it is run with direct connections. Since there is no interference of any kind, the results stay consistent.
The wireless bands will be tested in the same way as the wired connections, but I’ll add another variable to the test. I will adjust the distance between the router and the receiving WiFi connection from short over medium to long distance throughout my apartment. The positions are the same for every piece of network equipment that I’m testing. Where wired networks are easy to control, wireless networks aren’t.
While it’s easy to test and give you comparable view on the wired connections, it is a different story for the wireless bands. With wireless networks, we need to keep environmental factors in mind. These can’t be avoided. This office is located in a pretty big apartment complex where many of the residents have multiple WiFi networks. Our ISP boxes have dual-band Wi-Fi and most apartments have an extra router connected. That’s easily 4 and even up 5 and 6 bands per apartment. All those wireless networks create a tough situation, but that’s not necessarily something bad.
To make matters worse, the building is located in the middle of a city that basically is a huge transport hub. All these industrial complexes and shipping companies also interfere with signals in the area. For example, terrestrial digital TV or Radio isn’t possible at all due to interference.
The issues mentioned above will naturally have an impact on the performance, but at the same time, it gives us a great view of how well the device can handle itself in a heavy traffic area. In a way, that’s much better than testing it under optimal conditions – after all, who of us has those?
Whenever a USB 3.0 or eSATA port with file sharing is present, I’ll also test the possible speed from this. For this, I’ll use an SSD drive in an external docking station and LAN Speed Test. The network connection for this test will always be a wired one.
As mentioned above, the wireless setup can be somewhat tricky. For each review, I use WifiInfoView to find an optimal channel. To me, optimal is considered free with the neighbouring channels also being free. It isn’t always possible, but it’s what you should aim for. There are also mobile apps available with the same feature, should you not have a PC with Wi-Fi.
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