FriendlyElec Nanopi R4S Mini Portable Travel Router OpenWRT with Dual-Gbps Ethernet Ports 4GB LPDDR4 Based in RK3399 Soc for IOT NAS Smart Home Gateway

Product Information

Only that there cannot be any power supplied by serial-to-USB-adapter, because NanoPi R4S has no fourth pin on serial connector, just GND, RX and TX. Most users would find Nanopi R4S valuable for running OpenWrt distribution as a portable router/gateway/monitoring device capable of running various services that also can be used wisely to improve a small local network security protection against cyber attacks with its advanced firewall features. An ethernet repeater with firewall functionality: the topology is limited with only 1 output port and why use such a powerful multimedia chip for this? So, now lets test the bridge network interface, which is actually the most interesting benchmark for this device as it shows it’s capabilities in the real-case scenario. After I did some tests with R4S running ipfire versus friendlyWRT, I’m sure, that I will follow ipfire rather than friendlyWRT.

Sure enough the lights came on and OpenWrt is running – I checked with “Advanced IP Scanner on my PC and when I found the board I checked it in a browser – 192. You may see that the speed dropped when using custom TCP window sizes, which I guess it’s because of the mismatch window sizes internally in bridge, but I don’t give much attention to this as the default TCP size works fine.

But it can be used as a printer server, network router, file server, or for various purposes that do not require a screen. Those IRQ affinity optimizations are not for a benchmark environment but for real world scenarios where ‘everything on cpu0’ pretty often creates an artificial bottleneck. The GUI allows you to create additional users, which is much preferred over allowing root logins directly.

Setting up a single board computer (SBC) or even a computer, for both regular or server use, takes time and skill. In addition, for CPUs like the S922X or A311D, mixing A73 and A55, I’d bet better memory performance and latency on the A55 core than on the A73, and it could actually make the network run faster on the little core. The balanced (high) speeds of the Pi 4 cores make a difference, but at the expense of slightly higher WAN latency when using a USB NIC and less convenient sysupgrades (due to missing kernel modules). Kind of weird that they decided to provide a proper Linux distribution with mostly outdated kernel sources while they managed to create an OpenWRT image with the latest mainline.If ifconfig -a sees wlan0, but the hotspot is not working properly, try changing the channel and country code, an inappropriate country code can also cause the WiFi to not work.

This explains also a lot wrt poor Samba performance (where UAS blacklisting of the Seagate disk is missing too). I had to add relevant device tree binaries to the MSDOSBOOT partition and everything works well on the RockPro64 now. Meanwhile, the Chinese announce a Quantum computer supposedly billions of times faster than Google’s own Quantum offering and already the tabloid press are asking “is this the end of world banking security?I know that it's possible to do the same trick with IRQ to CPU pinning in FreeBSD, but nothing that I've tried worked. As you can see the processor usage is ~60% which the double compared to the Nanopi-R4S, but again the docker daemon uses ~30% of the CPU. On the other hand: With latest aarch64 ipfire cpufrequtils is offered as an add-on and installs, but then does not find a suitable driver. Only then I got a not really nice surprise, when I unplugged the serial-to-USB-adapter, I needed for installation. At the heart of NanoPi R4S, FriendlyELEC has chosen Rockchip RK3399 hexa-core processor with dual-core Cortex-A72 up to 2.